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openSUSE-SU-2026:21251-1

Опубликовано: 07 июл. 2026
Источник: suse-cvrf

Описание

Security update for alloy

This update for alloy fixes the following issues:

Update to version 1.17.0.

Security issues fixed:

  • CVE-2026-25680: golang.org/x/net/html: parsing arbitrary HTML can consume excessive CPU time, possibly leading to denial of service (bsc#1267185).
  • CVE-2026-25681: golang.org/x/net/html: parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree and allows for XSS (bsc#1267185).
  • CVE-2026-27136: golang.org/x/net/html: parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree and allows for XSS (bsc#1267185).
  • CVE-2026-33532: yaml: parsing input with deeply nestes collections may throw a RangeError due to a stack overflow and cause to a denial of service (bsc#1260981).
  • CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation bypass and privilege escalation (bsc#1266654).
  • CVE-2026-39827: golang.org/x/crypto/ssh: authenticated SSH clients that repeatedly open channels which were rejected by the server can cause unbounded memory growth and a crash (bsc#1266196).
  • CVE-2026-39828: golang.org/x/crypto/ssh: permissions discarded when an SSH server authentication callback returns PartialSuccessError with non-nil permissions (bsc#1266196).
  • CVE-2026-39829: golang.org/x/crypto/ssh: unenforced size limits on key parameters by the the RSA and DSA public key parsers can lead to excessive CPU consumption when processing a crafted public key (bsc#1266196).
  • CVE-2026-39830: golang.org/x/crypto/ssh: malicious SSH peers sending unsolicited global request responses can block a connection's read loop and cause a resource leak (bsc#1266196).
  • CVE-2026-39831: golang.org/x/crypto/ssh: missing User Presence flag checks in the Verify() method for FIDO/U2F security key types cause signatures generated without physical touch to be accepted (bsc#1266196).
  • CVE-2026-39832: golang.org/x/crypto/ssh: destination restrictions are silently stripped when forwarding keys and allow for unrestricted use of a key on a remote host (bsc#1266196).
  • CVE-2026-39833: golang.org/x/crypto/ssh: in-memory keyring returned by NewKeyring() silently accepts keys with the ConfirmBeforeUse constraint but never enforces it (bsc#1266196).
  • CVE-2026-39834: golang.org/x/crypto/ssh: writing data larger than 4GB in a single Write call on an SSH channel leads to an integer overflow and an infinite loop that sends empty packets (bsc#1266196).
  • CVE-2026-39835: golang.org/x/crypto/ssh: processing of certificates by SSH servers using CertChecker as a public key callback without setting IsUserAuthority or IsHostAuthority can lead to a panic (bsc#1266196).
  • CVE-2026-41889: github.com/jackc/pgx/v5/internal/sanitize: use placeholders in dollar-quoted string literals in an SQL query can lead to a SQL injection (bsc#1265440).
  • CVE-2026-42502: golang.org/x/net/html: parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree and allows for XSS (bsc#1267185).
  • CVE-2026-42506: golang.org/x/net/html: parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree and allows for XSS (bsc#1267185).
  • CVE-2026-42508: golang.org/x/crypto/ssh: revoked SignatureKeys belonging to a CA are not correctly checked for revocation (bsc#1266196).
  • CVE-2026-44740: github.com/go-git/go-billy/v5: improper input handling in many components can lead to DoS via infinite loops, panics or resource consumption (bsc#1267333).
  • CVE-2026-45678: go.opentelemetry.io/obi: Postgres BIND parsing can lead to a panic when malformed payloads are processed (bsc#1267481).
  • CVE-2026-45682: go.opentelemetry.io/obi: keys not deleted by CappedConcurrentHashMap after removals allows repeated connection churn to grow the queue without bound and exhaust heap memory (bsc#1267485).
  • CVE-2026-45685: go.opentelemetry.io/obi: MongoDB TCP parser panics on malformed wire messages and causes a DoS (bsc#1267488).
  • CVE-2026-45686: go.opentelemetry.io/obi: integer overflow in memcached text protocol parser can crash the OBI process and cause denial of service (bsc#1267489).
  • CVE-2026-46595: golang.org/x/crypto/ssh: source-address validation is skipped if any other type of callback is passed other than public key (bsc#1266196).
  • CVE-2026-46597: golang.org/x/crypto/ssh: incorrectly placed cast from bytes to int in the AES-GCM packet decoder when processing specially crafted input can lead to for server-side panic (bsc#1266196).
  • CVE-2026-46598: golang.org/x/crypto/ssh: ed25519.PrivateKey created by casting malformed wire bytes due to processing of certain crafted inputs can lead to panic when used (bsc#1266196).

Other updates and bugfixes:

  • Version 1.17.0:
    • Features
      • Add GraphQL server and gql subcommand.
      • otelcol: Add Nginx receiver.
      • otelcol.exporter.prometheus: Convert classic histograms to NHCB.
      • database_observability: Various enhancements for MySQL and Postgres.
      • faro.receiver: Support gzip-compressed request bodies.
      • Update to Beyla 3.9.8.
  • Bug Fixes
    • security: Update x/crypto, x/net, jackc/pgx/v5, and obi.
    • cluster: Fix nodes failing to join the cluster with TLS enabled.
    • loki.process: Fix potential deadlocks and limit stage shutdown.
    • Update Go to v1.26.4.
  • Version 1.16.3:
    • cluster: Fix nodes failing to join the cluster when TLS is enabled.
  • Version 1.16.2:
    • loki.process: No longer mutate rules in stage.truncate causing every config update to reload pipeline when this stage is used.
    • loki.process: Potential deadlock on update with stage and receiver changes.
    • otelcol.exporter.awss3: Add missing unique_key_func_name attribute.
  • Remove dependency on vulnerable yaml library.

Список пакетов

openSUSE Leap 16.0
alloy-1.17.0-160000.1.1

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Описание

Parsing arbitrary HTML can consume excessive CPU time, possibly leading to denial of service.

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openSUSE Leap 16.0:alloy-1.17.0-160000.1.1
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Описание

Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering.

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openSUSE Leap 16.0:alloy-1.17.0-160000.1.1
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Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering.

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openSUSE Leap 16.0:alloy-1.17.0-160000.1.1
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`yaml` is a YAML parser and serialiser for JavaScript. Parsing a YAML document with a version of `yaml` on the 1.x branch prior to 1.10.3 or on the 2.x branch prior to 2.8.3 may throw a RangeError due to a stack overflow. The node resolution/composition phase uses recursive function calls without a depth bound. An attacker who can supply YAML for parsing can trigger a `RangeError: Maximum call stack size exceeded` with a small payload (~2-10 KB). The `RangeError` is not a `YAMLParseError`, so applications that only catch YAML-specific errors will encounter an unexpected exception type. Depending on the host application's exception handling, this can fail requests or terminate the Node.js process. Flow sequences allow deep nesting with minimal bytes (2 bytes per level: one `[` and one `]`). On the default Node.js stack, approximately 1,000-5,000 levels of nesting (2-10 KB input) exhaust the call stack. The exact threshold is environment-dependent (Node.js version, stack size, call stack depth at invocation). Note: the library's `Parser` (CST phase) uses a stack-based iterative approach and is not affected. Only the compose/resolve phase uses actual call-stack recursion. All three public parsing APIs are affected: `YAML.parse()`, `YAML.parseDocument()`, and `YAML.parseAllDocuments()`. Versions 1.10.3 and 2.8.3 contain a patch.

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openSUSE Leap 16.0:alloy-1.17.0-160000.1.1
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Описание

The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label. For example, ToUnicode("xn--example-.com") incorrectly returns the name "example.com" rather than an error. This behavior can lead to privilege escalation in programs using the idna package. For example, a program which performs privilege checks on the ASCII hostname may reject "example.com" but permit "xn--example-.com". If that program subsequently converts the ASCII hostname to Unicode, it will inadvertently permits access to the Unicode name "example.com".

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openSUSE Leap 16.0:alloy-1.17.0-160000.1.1
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An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users. Rejected channels are now properly removed from the connection's internal state and released for garbage collection.

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openSUSE Leap 16.0:alloy-1.17.0-160000.1.1
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When an SSH server authentication callback returned PartialSuccessError with non-nil Permissions, those permissions were silently discarded, potentially dropping certificate restrictions such as force-command after a second factor succeeded. Returning non-nil Permissions with PartialSuccessError now results in a connection error.

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openSUSE Leap 16.0:alloy-1.17.0-160000.1.1
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Описание

The RSA and DSA public key parsers did not enforce size limits on key parameters. A crafted public key with an excessively large modulus or DSA parameter could cause several minutes of CPU consumption during signature verification. This could be triggered by unauthenticated clients during public key authentication. RSA moduli are now limited to 8192 bits, and DSA parameters are validated per FIPS 186-2.

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openSUSE Leap 16.0:alloy-1.17.0-160000.1.1
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A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking the connection's read loop. The blocked goroutine could not be released by calling Close(), resulting in a resource leak per connection. Unsolicited global responses are now discarded.

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openSUSE Leap 16.0:alloy-1.17.0-160000.1.1
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Описание

The Verify() method for FIDO/U2F security key types (sk-ecdsa-sha2-nistp256@openssh.com, sk-ssh-ed25519@openssh.com) did not check the User Presence flag. Signatures generated without physical touch were accepted, allowing unattended use of a hardware security key. To restore the previous behavior, return a "no-touch-required" extension in Permissions.Extensions from PublicKeyCallback.

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openSUSE Leap 16.0:alloy-1.17.0-160000.1.1
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When adding a key to a remote agent constraint extensions such as restrict-destination-v00@openssh.com were not serialized in the request. Destination restrictions were silently stripped when forwarding keys, allowing unrestricted use of the key on the remote host. The client now serializes all constraint extensions. Additionally, the in-memory keyring returned by NewKeyring() now rejects keys with unsupported constraint extensions instead of silently ignoring them.

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openSUSE Leap 16.0:alloy-1.17.0-160000.1.1
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The in-memory keyring returned by NewKeyring() silently accepted keys with the ConfirmBeforeUse constraint but never enforced it. The key would sign without any confirmation prompt, with no indication to the caller that the constraint was not in effect. NewKeyring() now returns an error when unsupported constraints are requested.

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openSUSE Leap 16.0:alloy-1.17.0-160000.1.1
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When writing data larger than 4GB in a single Write call on an SSH channel, an integer overflow in the internal payload size calculation caused the write loop to spin indefinitely, sending empty packets without making progress. The size comparison now uses int64 to prevent truncation.

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openSUSE Leap 16.0:alloy-1.17.0-160000.1.1
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Описание

SSH servers which use CertChecker as a public key callback without setting IsUserAuthority or IsHostAuthority could be caused to panic by a client presenting a certificate. CertChecker now returns an error instead of panicking when these callbacks are nil.

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openSUSE Leap 16.0:alloy-1.17.0-160000.1.1
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pgx is a PostgreSQL driver and toolkit for Go. Prior to version 5.9.2, SQL injection can occur when the non-default simple protocol is used, a dollar quoted string literal is used in the SQL query, that string literal contains text that would be would be interpreted as a placeholder outside of a string literal, and the value of that placeholder is controllable by the attacker. This issue has been patched in version 5.9.2.

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openSUSE Leap 16.0:alloy-1.17.0-160000.1.1
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Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering.

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openSUSE Leap 16.0:alloy-1.17.0-160000.1.1
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Описание

Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering.

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openSUSE Leap 16.0:alloy-1.17.0-160000.1.1
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Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation. Now, both the 'key' and 'key.SignatureKey' are checked for @revoked.

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openSUSE Leap 16.0:alloy-1.17.0-160000.1.1
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Billy is an interface filesystem abstraction for Go. Prior to versions 5.9.0 and 6.0.0-alpha.1, multiple components may improperly handle crafted or malformed input, resulting in panics, infinite loops, uncontrolled recursion, or excessive resource consumption. These issues arise from insufficient validation and missing safety mechanisms such as cycle detection, recursion limits, or defensive handling of unexpected states when processing untrusted repository data and filesystem structures. This issue has been patched in versions 5.9.0 and 6.0.0-alpha.1.

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openSUSE Leap 16.0:alloy-1.17.0-160000.1.1
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OpenTelemetry eBPF Instrumentation provides eBPF instrumentation based on the OpenTelemetry standard. Prior to version 0.9.0, the Postgres protocol parser assumes BIND message payloads contain a valid NUL-terminated portal name. A crafted empty or unterminated payload can make OBI slice beyond the end of the captured buffer and panic. This issue has been patched in version 0.9.0.

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openSUSE Leap 16.0:alloy-1.17.0-160000.1.1
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OpenTelemetry eBPF Instrumentation provides eBPF instrumentation based on the OpenTelemetry standard. Prior to version 0.9.0, the custom CappedConcurrentHashMap introduced for Java TLS state tracking never removes keys from its insertion-order queue when entries are deleted. In long-running instrumented JVMs, repeated connection churn can therefore grow the queue without bound and exhaust heap memory. This issue has been patched in version 0.9.0.

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openSUSE Leap 16.0:alloy-1.17.0-160000.1.1
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OpenTelemetry eBPF Instrumentation provides eBPF instrumentation based on the OpenTelemetry standard. From version 0.1.0 to before version 0.9.0, malformed MongoDB wire messages can trigger uncaught panics in the MongoDB TCP parser, allowing a remote unauthenticated attacker to crash the telemetry agent and cause a denial of service. The parser operates on raw attacker-controlled network payloads before the input is fully validated, so a single crafted message can terminate telemetry collection for the affected process or node. This issue has been patched in version 0.9.0.

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openSUSE Leap 16.0:alloy-1.17.0-160000.1.1
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OpenTelemetry eBPF Instrumentation provides eBPF instrumentation based on the OpenTelemetry standard. From version 0.7.0 to before version 0.9.0, a remotely reachable integer overflow in OBI's memcached text protocol parser can crash the OBI process and cause denial of service. When parsing memcached storage commands such as set, add, replace, append, prepend, or cas, OBI accepts extremely large <bytes> values and adds the payload delimiter length without checking for overflow. A crafted request with <bytes> set to math.MaxInt or math.MaxInt-1 causes the computed payload length to wrap negative and triggers a runtime panic in LargeBufferReader.Peek. This issue has been patched in version 0.9.0.

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openSUSE Leap 16.0:alloy-1.17.0-160000.1.1
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Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of callback is passed other than public key, then the source-address validation would be skipped.

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openSUSE Leap 16.0:alloy-1.17.0-160000.1.1
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An incorrectly placed cast from bytes to int allowed for server-side panic in the AES-GCM packet decoder for well-crafted inputs.

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openSUSE Leap 16.0:alloy-1.17.0-160000.1.1
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For certain crafted inputs, a 'ed25519.PrivateKey' was created by casting malformed wire bytes, leading to a panic when used.

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Уязвимость openSUSE-SU-2026:21251-1