CVE-2025-13151

high

Description

Stack-based buffer overflow in libtasn1 version: v4.20.0. The function fails to validate the size of input data resulting in a buffer overflow in asn1_expend_octet_string.

References

https://kb.cert.org/vuls/id/271649

https://www.kb.cert.org/vuls/id/271649

https://gitlab.com/gnutls/libtasn1/-/merge_requests/121

https://gitlab.com/gnutls/libtasn1

http://www.openwall.com/lists/oss-security/2026/01/08/5

Details

Source: Mitre, NVD

Published: 2026-01-07

Updated: 2026-01-20

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H