CVE-2025-13151

HIGH

7.5

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published1/7/2026

Last Modified2/2/2026

Sourcenvd

Honeypot Sightings0

Affected Products

gnu:libtasn1

Weaknesses (CWE)

CWE-787

References

https://gitlab.com/gnutls/libtasn1(cret@cert.org)

https://gitlab.com/gnutls/libtasn1/-/merge_requests/121(cret@cert.org)

http://www.openwall.com/lists/oss-security/2026/01/08/5(af854a3a-2127-422b-91ae-364da2661108)

https://www.kb.cert.org/vuls/id/271649(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.