ANT-2026-T44WA684 · ImageMagick · heap-buffer-overflow

oob-write high CVE-2026-33901 GHSA-x9h5-r9v2-vcww Severity Claude high · Security research firm high · Maintainer high Discovered by Claude Mythos Preview SECURITY RESEARCH FIRM ANALYSIS Triage and disclosure were performed by Trail of Bits. The writeup below is the document the firm sent to the...

imagemagick:ping_mvg_fuzzer: Heap-buffer-overflow in CopyMagickString

Project: https://github.com/imagemagick/imagemagick.git Detailed Report: https://oss-fuzz.com/testcase?key=4570481918869504 Project: imagemagick Fuzzing Engine: libFuzzer Fuzz Target: pingmvgfuzzer Job Type: libfuzzerasanimagemagick Platform Id: linux Crash Type: Heap-buffer-overflow WRITE 1 Cras...

imagemagick:ping_mvg_fuzzer: Heap-buffer-overflow in CopyMagickString

Detailed Report: https://oss-fuzz.com/testcase?key=5155319192354816 Project: imagemagick Fuzzing Engine: libFuzzer Fuzz Target: pingmvgfuzzer Job Type: libfuzzerasani386imagemagick Platform Id: linux Crash Type: Heap-buffer-overflow WRITE 1 Crash Address: 0xf570bfaa Crash State: CopyMagickString...

imagemagick:encoder_label_fuzzer: Stack-buffer-overflow in CopyMagickString

Project: https://github.com/imagemagick/imagemagick.git Detailed Report: https://oss-fuzz.com/testcase?key=4965967329886208 Project: imagemagick Fuzzing Engine: libFuzzer Fuzz Target: encoderlabelfuzzer Job Type: libfuzzerasanimagemagick Platform Id: linux Crash Type: Stack-buffer-overflow WRITE ...

imagemagick/ping_mvg_fuzzer: Heap-buffer-overflow in CopyMagickString

Project: https://github.com/imagemagick/imagemagick.git Detailed report: https://oss-fuzz.com/testcase?key=5763296301416448 Project: imagemagick Fuzzer: aflimagemagickpingmvgfuzzer Fuzz target binary: pingmvgfuzzer Job Type: aflasanimagemagick Platform Id: linux Crash Type: Heap-buffer-overflow...