ANT-2026-0Y1VS937 · ffmpeg · Heap Buffer Overflow

heap-buffer-overflow high Severity Claude high · Security research firm - · Maintainer - REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-0Y1VS937: Heap underflow in H.264 xchgmbborder via slicenum/sentinel collision In FFmpeg's H.264 decoder, slicetable h264dec.h is a...

CVE-2026-55851 Netty codec-haproxy: Signed-Byte Sentinel Collision in HAProxyMessageDecoder Leads to Unbounded Memory Exhaustion

Netty is a network application framework for development of protocol servers and clients. In versions 4.2.0.Final up to but not including 4.2.16.Final, and 4.1.0.Final up to but not including 4.1.135, the HAProxyMessageDecoder in Netty's codec-haproxy module performs protocol version detection by...