CLSA-2026-1776328800 libtasn1: Fix of CVE-2025-13151

CVE-2025-13151: fix stack-based buffer overflow in asn1expandoctetstring, asn1expandobjectid...

Stack-based buffer overflow in libtasn1 versions v4.20.0 and earlier

Overview A stack-based buffer overflow vulnerability exists in GNU libtasn1, a low-level ASN.1 parsing library. The issue is caused by unsafe string concatenation in the asn1expandoctetstring function located in decoding.c. Under worst-case conditions, this results in a one-byte stack overflow th...