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SUSE-SU-2026:1076-1

Опубликовано: 26 мар. 2026
Источник: suse-cvrf

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

Image SLES12-SP5-Azure-BYOS
python-pyasn1-0.1.9-4.14.1
python3-pyasn1-0.1.9-4.14.1
Image SLES12-SP5-Azure-HPC-BYOS
python-pyasn1-0.1.9-4.14.1
python3-pyasn1-0.1.9-4.14.1
Image SLES12-SP5-Azure-HPC-On-Demand
python-pyasn1-0.1.9-4.14.1
python3-pyasn1-0.1.9-4.14.1
Image SLES12-SP5-Azure-SAP-BYOS
python-pyasn1-0.1.9-4.14.1
python3-pyasn1-0.1.9-4.14.1
Image SLES12-SP5-Azure-SAP-On-Demand
python-pyasn1-0.1.9-4.14.1
python3-pyasn1-0.1.9-4.14.1
Image SLES12-SP5-Azure-Standard-On-Demand
python-pyasn1-0.1.9-4.14.1
python3-pyasn1-0.1.9-4.14.1
Image SLES12-SP5-EC2-BYOS
python-pyasn1-0.1.9-4.14.1
python3-pyasn1-0.1.9-4.14.1
Image SLES12-SP5-EC2-ECS-On-Demand
python-pyasn1-0.1.9-4.14.1
python3-pyasn1-0.1.9-4.14.1
Image SLES12-SP5-EC2-On-Demand
python-pyasn1-0.1.9-4.14.1
python3-pyasn1-0.1.9-4.14.1
Image SLES12-SP5-EC2-SAP-BYOS
python-pyasn1-0.1.9-4.14.1
python3-pyasn1-0.1.9-4.14.1
Image SLES12-SP5-EC2-SAP-On-Demand
python-pyasn1-0.1.9-4.14.1
python3-pyasn1-0.1.9-4.14.1
Image SLES12-SP5-GCE-BYOS
python-pyasn1-0.1.9-4.14.1
python3-pyasn1-0.1.9-4.14.1
Image SLES12-SP5-GCE-On-Demand
python3-pyasn1-0.1.9-4.14.1
Image SLES12-SP5-GCE-SAP-BYOS
python-pyasn1-0.1.9-4.14.1
python3-pyasn1-0.1.9-4.14.1
Image SLES12-SP5-GCE-SAP-On-Demand
python-pyasn1-0.1.9-4.14.1
python3-pyasn1-0.1.9-4.14.1
SUSE Linux Enterprise Server 12 SP5-LTSS
python-pyasn1-0.1.9-4.14.1
python3-pyasn1-0.1.9-4.14.1
SUSE Linux Enterprise Server LTSS Extended Security 12 SP5
python-pyasn1-0.1.9-4.14.1
python3-pyasn1-0.1.9-4.14.1

Ссылки

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
Image SLES12-SP5-Azure-BYOS:python-pyasn1-0.1.9-4.14.1
Image SLES12-SP5-Azure-BYOS:python3-pyasn1-0.1.9-4.14.1
Image SLES12-SP5-Azure-HPC-BYOS:python-pyasn1-0.1.9-4.14.1
Image SLES12-SP5-Azure-HPC-BYOS:python3-pyasn1-0.1.9-4.14.1
Ссылки