CVE-2025-13151
7.5
HIGH
CVSS 3.1
EPSS 0.08%
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.
How to fix CVE-2025-13151
To remediate CVE-2025-13151, upgrade the affected package to a fixed version below.
- Alpine/libtasn1—upgrade to 4.21.0-r0 or later
- Debian/libtasn1-6—no fix listed
Is CVE-2025-13151 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 4.21.0-r0
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |