CVE-2026-5187
Heap Out-of-Bounds Write in DecodeObjectId() in wolfSSL
概要
Heap Out-of-Bounds Write in DecodeObjectId() in wolfSSL
原文の説明
取得元が公開している説明をそのまま載せています (多くは英語)。
Two potential heap out-of-bounds write locations existed in DecodeObjectId() in wolfcrypt/src/asn.c. First, a bounds check only validates one available slot before writing two OID arc values (out[0] and out[1]), enabling a 2-byte out-of-bounds write when outSz equals 1. Second, multiple callers pass sizeof(decOid) (64 bytes on 64-bit platforms) instead of the element count MAX_OID_SZ (32), causing the function to accept crafted OIDs with 33 or more arcs that write past the end of the allocated buffer.
ディストリビューション別の修正状況
各ディストリビューションが公開している、この CVE の修正パッケージ
- Debian DEBIAN-CVE-2026-5187 wolfssl
- Ubuntu UBUNTU-CVE-2026-5187 wolfssl
参照URL
- advisory github.com
- advisory nvd.nist.gov
- package github.com