Source: python-msgpack Version: 1.1.2-1 Severity: important Tags: security upstream X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>
Hi, The following vulnerability was published for python-msgpack. CVE-2026-57585[0]: | MessagePack is the serializer implementation for Python msgpack.org. | Prior to 1.2.1, there is an Out-of-bounds read/crash on Unpacker | reuse after a caught error, potentially leading to a DoS attack. If | the Unpacker is used repeatedly after an error occurs, the process | may crash with a SEGV. This issue has been fixed in version 1.2.1. If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2026-57585 https://www.cve.org/CVERecord?id=CVE-2026-57585 [1] https://github.com/msgpack/msgpack-python/security/advisories/GHSA-6v7p-g79w-8964 [2] https://github.com/msgpack/msgpack-python/commit/2c56ddb5d0025ed481d962c0f5d62d19dec7476d Please adjust the affected versions in the BTS as needed. Regards, Salvatore

