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SUSE-SU-2026:3799-1

Опубликовано: 25 авг. 2026
Источник: suse-cvrf

Описание

Security update for go1.26-openssl

This update for go1.26-openssl fixes the following issues:

Update to version 1.26.7 cut from the go1.25-fips-release at the revision tagged go1.26.7-1-openssl-fips.

Security issues fixed:

  • CVE-2026-33818: encoding/asn1: stack exhaustion when parsing deeply-nested, recursive structures can lead to denial of service (bsc#1275034).
  • CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation bypass and privilege escalation (bsc#1266609).
  • CVE-2026-56853: net/http: first header read timeout not being applied when a server is configured to support unencrypted HTTP/2 allows for denial of service (bsc#1275028).
  • CVE-2026-56858: html/template: wrong JavaScript regexp context tracking after top-level { can lead to XSS (bsc#1275033).
  • CVE-2026-56859: encoding/xml: stack exhaustion due to recursion depth guard bypass during decoding operations can lead to denial of service (bsc#1275026).
  • CVE-2026-56860: net/url: quadratic complexity in resolvePath when processing backtrack path elements can lead to denial of service (bsc#1275029).
  • CVE-2026-56862: crypto/tls: handshake messages can bypass non-advancing record limit in TLS 1.3, which can lead to a denial of service (bsc#1275032).
  • CVE-2026-56864: x/mod/sumdb: a malicious GOSUMDB is capable of serving arbitrary module content not contained within the transparency log (bsc#1275025).
  • CVE-2026-56865: x/mod/sumdb/tlog: a malicious GOPROXY is capable of forging sumdb tiles, which allows for bypass of the GOSUMDB check and persistence of attacker-controlled module contents to a local Go module cache (bsc#1275024).

Other updates and bugfixes:

  • Update to version 1.26.7 cut from the go1.25-fips-release branch at the revision tagged go1.26.7-1-openssl-fips: (jsc#SLE-18320).
    • Rebase to 1.26.7
    • Support strictfipsruntime with no_openssl
    • Fix multiple no_openssl build tag issues
  • go1.26.7 (released 2026-08-19, boo#1255111):
    • go#80927 net/http: ReadHeaderTimeout remains active after unencrypted HTTP/2 handoff
  • go1.26.6 (released 2026-08-13):
    • includes security fixes to the go command, and the crypto/tls, encoding/asn1, encoding/xml, html/template, net, net/http, and net/url packages, as well as bug fixes to the compiler, the linker, the runtime, and the crypto/tls and os packages.
    • go#79876 cmd/compile: prove misscompilation in slicemask folding leaves garbage in the upper bits
    • go#80099 cmd/compile: internal compiler error invalid heap allocated var without Heapaddr
    • go#80131 cmd/link: peCreateExportFile generates invalid .def file when output name has trailing dot (c-shared on Windows)
    • go#80365 os: Root's MkdirAll can't create paths ending in forward slashes
    • go#80367 os: TestRootMultiReadFile fails on netbsd/arm64 after CL 797880
    • go#80369 os: TestRootConsistencyRemoveAll fails on Plan 9 after CL 797880
    • go#80394 runtime: arm64 found pointer to free object with safe code
    • go#80441 runtime: uninitialized register due to wrong ABI in mach_vm_region_trampoline leads to libc following garbage stack data as a pointer
    • go#80478 cmd/compile: riscv64 miscompiles struct copy, corrupting a []byte slice field
    • go#80499 runtime: js/wasm: 'found bad pointer in Go heap' -- link-layout-constant value recorded as a pointer in the write-barrier buffer
    • go#80579 cmd/compile: regalloc uses unreliable type data (like v.Type.IsSigned()) to choose the restore of spills
    • go#80606 crypto/tls: escape hatch for FIPS 140-3 mode Extended Master Secret enforcement
    • go#80609 net, x/net/dns/dnsmessage: panic when parsing invalid SVCB record
    • go#80615 cmd/compile: mips64le misscompile OffPtr by a const which doesn't fit 32bits resulting in panic
    • go#80617 cmd/compile: mips/mips64, multiply/divide results spilled from HI/LO corrupted w/ big stack frames
    • go#80619 cmd/compile: prove bug causes invalid indirect call
    • go#80715 runtime: fpTracebackPartialExpand SIGSEGV under high panic load
  • Update to version 1.26.5 cut from the go1.25-fips-release branch at the revision tagged go1.26.5-2-openssl-fips:
    • Limit openssl RandReader concurrency

Список пакетов

SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS
go1.26-openssl-1.26.7-150000.1.18.1
go1.26-openssl-doc-1.26.7-150000.1.18.1
go1.26-openssl-race-1.26.7-150000.1.18.1
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS
go1.26-openssl-1.26.7-150000.1.18.1
go1.26-openssl-doc-1.26.7-150000.1.18.1
go1.26-openssl-race-1.26.7-150000.1.18.1
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS
go1.26-openssl-1.26.7-150000.1.18.1
go1.26-openssl-doc-1.26.7-150000.1.18.1
go1.26-openssl-race-1.26.7-150000.1.18.1
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS
go1.26-openssl-1.26.7-150000.1.18.1
go1.26-openssl-doc-1.26.7-150000.1.18.1
go1.26-openssl-race-1.26.7-150000.1.18.1
SUSE Linux Enterprise Server 15 SP4-LTSS
go1.26-openssl-1.26.7-150000.1.18.1
go1.26-openssl-doc-1.26.7-150000.1.18.1
go1.26-openssl-race-1.26.7-150000.1.18.1
SUSE Linux Enterprise Server 15 SP5-LTSS
go1.26-openssl-1.26.7-150000.1.18.1
go1.26-openssl-doc-1.26.7-150000.1.18.1
go1.26-openssl-race-1.26.7-150000.1.18.1
SUSE Linux Enterprise Server for SAP Applications 15 SP4
go1.26-openssl-1.26.7-150000.1.18.1
go1.26-openssl-doc-1.26.7-150000.1.18.1
go1.26-openssl-race-1.26.7-150000.1.18.1
SUSE Linux Enterprise Server for SAP Applications 15 SP5
go1.26-openssl-1.26.7-150000.1.18.1
go1.26-openssl-doc-1.26.7-150000.1.18.1
go1.26-openssl-race-1.26.7-150000.1.18.1

Описание

Enforce a recursion limit in Unmarshal to prevent stack exhaustion when parsing deeply-nested, recursive structures.


Затронутые продукты
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:go1.26-openssl-1.26.7-150000.1.18.1
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:go1.26-openssl-doc-1.26.7-150000.1.18.1
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:go1.26-openssl-race-1.26.7-150000.1.18.1
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:go1.26-openssl-1.26.7-150000.1.18.1

Ссылки

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".


Затронутые продукты
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:go1.26-openssl-1.26.7-150000.1.18.1
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:go1.26-openssl-doc-1.26.7-150000.1.18.1
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:go1.26-openssl-race-1.26.7-150000.1.18.1
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:go1.26-openssl-1.26.7-150000.1.18.1

Ссылки

Описание

When a server is configured to support unencrypted HTTP/2, it reads a few bytes from each new connection to see if they contain the HTTP/2 client preface. ReadHeaderTimeout is unexpectedly not being applied when doing this.


Затронутые продукты
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:go1.26-openssl-1.26.7-150000.1.18.1
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:go1.26-openssl-doc-1.26.7-150000.1.18.1
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:go1.26-openssl-race-1.26.7-150000.1.18.1
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:go1.26-openssl-1.26.7-150000.1.18.1

Ссылки

Описание

Previously, pathological inputs could close an unescaped '/' early, allowing for attack-controlled data to inject arbitrary content, potentially leading to XSS.


Затронутые продукты
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:go1.26-openssl-1.26.7-150000.1.18.1
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:go1.26-openssl-doc-1.26.7-150000.1.18.1
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:go1.26-openssl-race-1.26.7-150000.1.18.1
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:go1.26-openssl-1.26.7-150000.1.18.1

Ссылки

Описание

Previously, DecodeElement would reset the depth counter causing it to never fire; this could lead to stack exhaustion.


Затронутые продукты
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:go1.26-openssl-1.26.7-150000.1.18.1
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:go1.26-openssl-doc-1.26.7-150000.1.18.1
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:go1.26-openssl-race-1.26.7-150000.1.18.1
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:go1.26-openssl-1.26.7-150000.1.18.1

Ссылки

Описание

Previously, resolving relative paths containing parent directory ('..') segments performed string conversions and buffer rewrites on each step, resulting in quadratic time complexity and high memory allocation overhead. Now, path resolution operates on a byte buffer using index-based backtracking for '..' segments, eliminating the quadratic time complexity and significantly reducing memory allocations.


Затронутые продукты
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:go1.26-openssl-1.26.7-150000.1.18.1
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:go1.26-openssl-doc-1.26.7-150000.1.18.1
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:go1.26-openssl-race-1.26.7-150000.1.18.1
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:go1.26-openssl-1.26.7-150000.1.18.1

Ссылки

Описание

Handshake messages, such as KeyUpdate, are always considered as state-advancing, regardless of whether a handshake has been completed or not. As a result, a malicious client can keep sending KeyUpdate messages to force the server to keep performing key derivation operations indefinitely.


Затронутые продукты
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:go1.26-openssl-1.26.7-150000.1.18.1
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:go1.26-openssl-doc-1.26.7-150000.1.18.1
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:go1.26-openssl-race-1.26.7-150000.1.18.1
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:go1.26-openssl-1.26.7-150000.1.18.1

Ссылки

Описание

A malicious GOSUMDB was capable of serving arbitrary module content not contained within the transparency log. This attack allows for a coordinating GOPROXY and GOSUMDB to serve a client malicious module content that cannot be detected by evaluating the transparency log. In order to determine if you have been affected: rm -r go.sum go.work.sum vendor/ && go mod tidy


Затронутые продукты
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:go1.26-openssl-1.26.7-150000.1.18.1
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:go1.26-openssl-doc-1.26.7-150000.1.18.1
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:go1.26-openssl-race-1.26.7-150000.1.18.1
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:go1.26-openssl-1.26.7-150000.1.18.1

Ссылки

Описание

A malicious GOPROXY was previously capable of forging up to two sumdb tiles that allow for a requested module to bypass the GOSUMDB check and persist attacker-controlled module content to a local Go module cache. This attack allows for a malicious GOPROXY to serve malicious module content that cannot be detected by evaluating the transparency log. All tiles are now correctly verified against their parents. In order to determine if you have been affected: rm -r go.sum go.work.sum vendor/ && go mod tidy


Затронутые продукты
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:go1.26-openssl-1.26.7-150000.1.18.1
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:go1.26-openssl-doc-1.26.7-150000.1.18.1
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:go1.26-openssl-race-1.26.7-150000.1.18.1
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:go1.26-openssl-1.26.7-150000.1.18.1

Ссылки
Уязвимость SUSE-SU-2026:3799-1