CVE-2025-13151

CVSS 7.5 HIGHEPSS 1.1%

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.5EPSS 1.1%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

07 Jan 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

GnuTLS · libtasn1

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References

https://gitlab.com/gnutls/libtasn1 https://gitlab.com/gnutls/libtasn1/-/merge_requests/121 https://www.kb.cert.org/vuls/id/271649 http://www.openwall.com/lists/oss-security/2026/01/08/5