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

🗓️ 20 Jan 2026 00:00:00Reported by CERTType 
cert
 cert
🔗 www.kb.cert.org👁 5 Views

Stack overflow in libtasn1 up to v4.20.0 from unsafe string concat in asn1_expand_octet_string.

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20 Jan 2026 16:27Current
6Medium risk
Vulners AI Score6
CVSS 3.17.5
EPSS0.00052
SSVC
5