OSV-2026-726 Use-after-poison in md_build_attribute

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=512429151 Crash type: Use-after-poison READ 1 Crash state: mdbuildattribute mdprocessallblocks mdparse...

md4c denial of service vulnerability

md4c is a C-based Markdown a markup language parser . A security vulnerability exists in the 'mdbuildattribute' function of the md4c.c file in versions of md4c prior to 0.2.6. A remote attacker can exploit this vulnerability to cause a denial of service segmentation error and application crash wi...