HIGHVulnerability
CVE-2026-57585
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.
Properties
- severity
- HIGH
- score
- 7.5
- cve_id
- CVE-2026-57585
- vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- published_at
- 2026-06-30T22:16:57.837
- last_modified
- 2026-08-06T15:51:03.847
Related Entities (3)
HAS_WEAKNESS (1)
→[Weakness]Use After Free
DESCRIBED_BY (1)
→[Source]NVD
AFFECTS_PRODUCT (1)
→[Product]
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