CVE-2025-13151
HIGHCVSS 7.5/10EPSS 1.11%
Last modified
CVE-2025-13151 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 1.11% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Libtasn1 | 4.20.0 |
References
- http://www.openwall.com/lists/oss-security/2026/01/08/5Mailing List, Patch
- https://www.kb.cert.org/vuls/id/271649Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-13151?
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 severe is CVE-2025-13151?
CVE-2025-13151 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.11% probability of exploitation in the next 30 days.
How do I fix CVE-2025-13151?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2025-13151?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST