Описание
Security update for python-pyasn1
This update for python-pyasn1 fixes the following issues:
- CVE-2026-30922: Denial of Service via Unbounded Recursion (bsc#1259803).
Список пакетов
Container suse/389-ds:latest
Container suse/manager/4.3/proxy-httpd:latest
Container suse/manager/4.3/proxy-tftpd:latest
Container suse/manager/5.0/x86_64/proxy-httpd:latest
Container suse/manager/5.0/x86_64/proxy-tftpd:latest
Container suse/manager/5.0/x86_64/server:latest
Container suse/multi-linux-manager/5.1/x86_64/proxy-httpd:latest
Container suse/multi-linux-manager/5.1/x86_64/proxy-salt-broker:latest
Container suse/multi-linux-manager/5.1/x86_64/proxy-tftpd:latest
Container suse/multi-linux-manager/5.1/x86_64/server:latest
Container suse/sle-micro-rancher/5.2:latest
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Image proxy-httpd-image
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SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS
SUSE Linux Enterprise Micro 5.2
SUSE Linux Enterprise Micro 5.3
SUSE Linux Enterprise Micro 5.4
SUSE Linux Enterprise Micro 5.5
SUSE Linux Enterprise Module for Basesystem 15 SP7
SUSE Linux Enterprise Server 15 SP4-LTSS
SUSE Linux Enterprise Server 15 SP5-LTSS
SUSE Linux Enterprise Server 15 SP6-LTSS
SUSE Linux Enterprise Server for SAP Applications 15 SP4
SUSE Linux Enterprise Server for SAP Applications 15 SP5
SUSE Linux Enterprise Server for SAP Applications 15 SP6
Ссылки
- Link for SUSE-SU-2026:1158-1
- E-Mail link for SUSE-SU-2026:1158-1
- SUSE Security Ratings
- SUSE Bug 1259803
- SUSE CVE CVE-2026-30922 page
Описание
pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.3, the `pyasn1` library is vulnerable to a Denial of Service (DoS) attack caused by uncontrolled recursion when decoding ASN.1 data with deeply nested structures. An attacker can supply a crafted payload containing thousands of nested `SEQUENCE` (`0x30`) or `SET` (`0x31`) tags with "Indefinite Length" (`0x80`) markers. This forces the decoder to recursively call itself until the Python interpreter crashes with a `RecursionError` or consumes all available memory (OOM), crashing the host application. This is a distinct vulnerability from CVE-2026-23490 (which addressed integer overflows in OID decoding). The fix for CVE-2026-23490 (`MAX_OID_ARC_CONTINUATION_OCTETS`) does not mitigate this recursion issue. Version 0.6.3 fixes this specific issue.
Затронутые продукты
Ссылки
- CVE-2026-30922
- SUSE Bug 1259803