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SUSE-SU-2025:3842-1

Опубликовано: 28 окт. 2025
Источник: suse-cvrf

Описание

Security update for python-Authlib

This update for python-Authlib fixes the following issues:

  • CVE-2025-62706: fixed a denial of service condition (bsc#1252504, gh#authlib/authlib@e0863d512931)

Список пакетов

SUSE Linux Enterprise Module for Python 3 15 SP6
python311-Authlib-1.3.1-150600.3.9.1
SUSE Linux Enterprise Module for Python 3 15 SP7
python311-Authlib-1.3.1-150600.3.9.1
openSUSE Leap 15.6
python311-Authlib-1.3.1-150600.3.9.1

Ссылки

Описание

Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to version 1.6.5, Authlib's JWE zip=DEF path performs unbounded DEFLATE decompression. A very small ciphertext can expand into tens or hundreds of megabytes on decrypt, allowing an attacker who can supply decryptable tokens to exhaust memory and CPU and cause denial of service. This issue has been patched in version 1.6.5. Workarounds for this issue involve rejecting or stripping zip=DEF for inbound JWEs at the application boundary, forking and add a bounded decompression guard via decompressobj().decompress(data, MAX_SIZE)) and returning an error when output exceeds a safe limit, or enforcing strict maximum token sizes and fail fast on oversized inputs; combine with rate limiting.

Затронутые продукты
SUSE Linux Enterprise Module for Python 3 15 SP6:python311-Authlib-1.3.1-150600.3.9.1
SUSE Linux Enterprise Module for Python 3 15 SP7:python311-Authlib-1.3.1-150600.3.9.1
openSUSE Leap 15.6:python311-Authlib-1.3.1-150600.3.9.1
Ссылки
Уязвимость SUSE-SU-2025:3842-1