CVE-2026-57585

תיאור (מקור, אנגלית)

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.

מדדים

CVSS 3.1

7.5 (HIGH) מקור הציון: CNA CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS — סבירות ניצול

0% (אחוזון 000) נכון ל-14/8/2026

CWE

CWE-416

מוצרים מושפעים

msgpack: messagepack

קישורים

• https://github.com/msgpack/msgpack-python/security/advisories/GHSA-6v7p-g79w-8‮… MitigationVendor Advisory
• https://github.com/msgpack/msgpack-python/commit/2c56ddb5d0025ed481d962c0f5d62‮… Patch