CLSA-2026-1777542477 Fix CVE(s): CVE-2026-28690

SECURITY UPDATE: stack buffer overflow in MNG/JNG encoder — missing NULL check after ImageToBlob in WriteOneJNGImage could propagate a NULL blob pointer into later stack buffer operations GHSA-7h7q-j33q-hvpf. - debian/patches/CVE-2026-28690.patch: bail out of WriteOneJNGImage when ImageToBlob...

graphicsmagick/coder_DPX_fuzzer: Use-of-uninitialized-value in WriteDPXImage

Project: http://hg.code.sf.net/p/graphicsmagick/code Detailed report: https://oss-fuzz.com/testcase?key=5116678160515072 Project: graphicsmagick Fuzzer: libFuzzergraphicsmagickcoderDPXfuzzer Fuzz target binary: coderDPXfuzzer Job Type: libfuzzermsangraphicsmagick Platform Id: linux Crash Type:...