ANT-2026-G1XC2M5V · CGIF · oob-write

oob-write high Severity Claude high · Security research firm - · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-G1XC2M5V: cgif/cgiffuzzer/20251218020844unknown/ cgif's LZW encoder computes a conservative upper bound for t...

Fedora 44 : libcgif (2026-7fd284c688)

The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-7fd284c688 advisory. Version 0.5.3 - Fix potential undefined behavior in cgifaddframe which could have led to an integer overflow CVE-2026-4985 Tenable has extracted the precedin...

Fedora 43 : libcgif (2026-1a9f019f60)

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-1a9f019f60 advisory. Version 0.5.3 - Fix potential undefined behavior in cgifaddframe which could have led to an integer overflow CVE-2026-4985 Tenable has extracted the precedin...

Fedora 42 : libcgif (2026-7716e480cb)

The remote Fedora 42 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-7716e480cb advisory. Version 0.5.3 - Fix potential undefined behavior in cgifaddframe which could have led to an integer overflow CVE-2026-4985 Tenable has extracted the precedin...

Linux Distros Unpatched Vulnerability : CVE-2026-4985

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A vulnerability was identified in dloebl CGIF up to 0.5.2. This vulnerability affects the function cgifaddframe of the file src/cgif.c of the component GIF Imag...

DEBIAN-CVE-2026-4985

A vulnerability was identified in dloebl CGIF up to 0.5.2. This vulnerability affects the function cgifaddframe of the file src/cgif.c of the component GIF Image Handler. The manipulation of the argument width/height leads to integer overflow. The attack may be initiated remotely. The identifier ...

CVE-2026-4985

A vulnerability was identified in dloebl CGIF up to 0.5.2. This vulnerability affects the function cgifaddframe of the file src/cgif.c of the component GIF Image Handler. The manipulation of the argument width/height leads to integer overflow. The attack may be initiated remotely. The identifier ...

CVE-2026-4985 dloebl CGIF GIF Image cgif.c cgif_addframe integer overflow

A vulnerability was identified in dloebl CGIF up to 0.5.2. This vulnerability affects the function cgifaddframe of the file src/cgif.c of the component GIF Image Handler. The manipulation of the argument width/height leads to integer overflow. The attack may be initiated remotely. The identifier ...

CVE-2026-4985

The CVE-2026-4985 entry concerns dloebl CGIF v0.5.2 and earlier, affecting the GIF Image Handler’s cgif_addframe (src/cgif.c). The vulnerability stems from an integer overflow caused by manipulating width/height, potentially exploitable remotely. A patch is available (patch id: b0ba830093f4317a5d...

CVE-2026-4985

A vulnerability was identified in dloebl CGIF up to 0.5.2. This vulnerability affects the function cgifaddframe of the file src/cgif.c of the component GIF Image Handler. The manipulation of the argument width/height leads to integer overflow. The attack may be initiated remotely. The identifier ...

CVE-2026-4985

A vulnerability was identified in dloebl CGIF up to 0.5.2. This vulnerability affects the function cgifaddframe of the file src/cgif.c of the component GIF Image Handler. The manipulation of the argument width/height leads to integer overflow. The attack may be initiated remotely. The identifier ...

CVE-2026-4985: Integer Overflow or Wraparound

A vulnerability was identified in dloebl CGIF up to 0.5.2. This vulnerability affects the function cgifaddframe of the file src/cgif.c of the component GIF Image Handler. The manipulation of the argument width/height leads to integer overflow. The attack may be initiated remotely. The identifier ...

PT-2026-28705

Name of the Vulnerable Software and Affected Versions dloebl CGIF versions up to 0.5.2 Description A flaw exists in dloebl CGIF up to version 0.5.2 related to integer overflow within the cgif addframe function located in the src/cgif.c file of the GIF Image Handler component. The issue stems from...

Claude Opus 4.6 Finds 500+ High-Severity Flaws Across Major Open-Source Libraries

Artificial intelligence AI company Anthropic revealed that its latest large language model LLM, Claude Opus 4.6, has found more than 500 previously unknown high-severity security flaws in open-source libraries, including Ghostscript, OpenSC, and CGIF. Claude Opus 4.6, which was launched Thursday,...

cgif:cgif_fuzzer: Segv on unknown address with empty stacktrace

Detailed Report: https://oss-fuzz.com/testcase?key=4618005531131904 Project: cgif Fuzzing Engine: libFuzzer Fuzz Target: cgiffuzzer Job Type: libfuzzerasani386cgif Platform Id: linux Crash Type: Segv on unknown address Crash Address: Crash State: NULL Sanitizer: address ASAN Crash Revision:...

SUSE CVE-2018-11489

The DGifDecompressLine function in dgiflib.c in GIFLIB possibly version 3.0.x, as later shipped in cgif.c in sam2p 0.49.4, has a heap-based buffer overflow because a certain CrntCode array index is not checked. This will lead to a denial of service or possibly unspecified other impact...

UBUNTU-CVE-2020-19491

There is an invalid memory access bug in cgif.c that leads to a Segmentation fault in sam2p 0.49.4. A crafted input will lead to a denial of service or possibly unspecified other impact...

DEBIAN-CVE-2018-11490

The DGifDecompressLine function in dgiflib.c in GIFLIB possibly version 3.0.x, as later shipped in cgif.c in sam2p 0.49.4, has a heap-based buffer overflow because a certain "Private-RunningCode - 2" array index is not checked. This will lead to a denial of service or possibly unspecified other...