Summary
A library that provides Abstract Syntax Notation One (ASN.1, as specified by the X.680 ITU-T recommendation) parsing and structures management, and Distinguished Encoding Rules (DER, as per X.690) encoding and decoding functions.
Security Fix(es):
* libtasn1: libtasn1: Denial of Service via stack-based buffer overflow in asn1_expend_octet_string (CVE-2025-13151)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 8 | libtasn1 | 4.13-6.el8_10 |
| AlmaLinux · 8 | libtasn1-devel | 4.13-6.el8_10 |
| AlmaLinux · 8 | libtasn1-tools | 4.13-6.el8_10 |
Vulnerabilities 1
-
High 7.5
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.