Debian Giflib vulnerabilities

CVE-2026-26740 [HIGH] CVE-2026-26740: giflib - Buffer Overflow vulnerability in giflib v.5.2.2 allows a remote attacker to caus... Buffer Overflow vulnerability in giflib v.5.2.2 allows a remote attacker to cause a denial of service via the EGifGCBToExtension overwriting an existing Graphic Control Extension block without validating its allocated size. Scope: local bookworm: open bullseye: open forky: open sid: open trixie: open

CVE-2026-23868 [MEDIUM] CVE-2026-23868: giflib - Giflib contains a double-free vulnerability that is the result of a shallow copy... Giflib contains a double-free vulnerability that is the result of a shallow copy in GifMakeSavedImage and incorrect error handling. The conditions needed to trigger this vulnerability are difficult but may be possible. Scope: local bookworm: open bullseye: open forky: open sid: open trixie: open

CVE-2025-31344 [HIGH] CVE-2025-31344: giflib - Heap-based Buffer Overflow vulnerability in openEuler giflib on Linux. This vuln... Heap-based Buffer Overflow vulnerability in openEuler giflib on Linux. This vulnerability is associated with program files gif2rgb.C. This issue affects giflib: through 5.2.2. Scope: local bookworm: open bullseye: open forky: open sid: open trixie: open

CVE-2024-45993 [MEDIUM] CVE-2024-45993: giflib - Giflib Project v5.2.2 is vulnerable to a heap buffer overflow via gif2rgb. Giflib Project v5.2.2 is vulnerable to a heap buffer overflow via gif2rgb. Scope: local bookworm: open bullseye: open forky: open sid: open trixie: open

CVE-2023-48161 [HIGH] CVE-2023-48161: giflib - Buffer Overflow vulnerability in GifLib Project GifLib v.5.2.1 allows a local at... Buffer Overflow vulnerability in GifLib Project GifLib v.5.2.1 allows a local attacker to obtain sensitive information via the DumpSCreen2RGB function in gif2rgb.c Scope: local bookworm: open bullseye: open forky: resolved (fixed in 5.2.2-1) sid: resolved (fixed in 5.2.2-1) trixie: resolved (fixed in 5.2.2-1)

CVE-2023-39742 [MEDIUM] CVE-2023-39742: giflib - giflib v5.2.1 was discovered to contain a segmentation fault via the component g... giflib v5.2.1 was discovered to contain a segmentation fault via the component getarg.c. Scope: local bookworm: open bullseye: open forky: open sid: open trixie: open

CVE-2022-28506 [MEDIUM] CVE-2022-28506: giflib - There is a heap-buffer-overflow in GIFLIB 5.2.1 function DumpScreen2RGB() in gif... There is a heap-buffer-overflow in GIFLIB 5.2.1 function DumpScreen2RGB() in gif2rgb.c:298:45. Scope: local bookworm: open bullseye: open forky: resolved (fixed in 5.2.2-1) sid: resolved (fixed in 5.2.2-1) trixie: resolved (fixed in 5.2.2-1)

CVE-2021-40633 [HIGH] CVE-2021-40633: giflib - A memory leak (out-of-memory) in gif2rgb in util/gif2rgb.c in giflib 5.1.4 allow... A memory leak (out-of-memory) in gif2rgb in util/gif2rgb.c in giflib 5.1.4 allows remote attackers trigger an out of memory exception or denial of service via a gif format file. Scope: local bookworm: open bullseye: open forky: resolved (fixed in 5.2.2-1) sid: resolved (fixed in 5.2.2-1) trixie: resolved (fixed in 5.2.2-1)

CVE-2020-23922 [HIGH] CVE-2020-23922: giflib - An issue was discovered in giflib through 5.1.4. DumpScreen2RGB in gif2rgb.c has... An issue was discovered in giflib through 5.1.4. DumpScreen2RGB in gif2rgb.c has a heap-based buffer over-read. Scope: local bookworm: open bullseye: open forky: resolved (fixed in 5.2.2-1) sid: resolved (fixed in 5.2.2-1) trixie: resolved (fixed in 5.2.2-1)

CVE-2019-15133 [MEDIUM] CVE-2019-15133: giflib - In GIFLIB before 2019-02-16, a malformed GIF file triggers a divide-by-zero exce... In GIFLIB before 2019-02-16, a malformed GIF file triggers a divide-by-zero exception in the decoder function DGifSlurp in dgif_lib.c if the height field of the ImageSize data structure is equal to zero. Scope: local bookworm: resolved (fixed in 5.1.9-1) bullseye: resolved (fixed in 5.1.9-1) forky: resolved (fixed in 5.1.9-1) sid: resolved (fixed in 5.1.9-1) trixie

CVE-2018-11489 [HIGH] CVE-2018-11489: giflib - The DGifDecompressLine function in dgif_lib.c in GIFLIB (possibly version 3.0.x)... The DGifDecompressLine function in dgif_lib.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. Scope: local bookworm: resolved (fixed in 4.1.4-1) bullseye: resolved (fixed in

CVE-2018-11490 [HIGH] CVE-2018-11490: giflib - The DGifDecompressLine function in dgif_lib.c in GIFLIB (possibly version 3.0.x)... The DGifDecompressLine function in dgif_lib.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 impact. Scope: local bookworm: resolved (fixed in 5.1.9-1) bullseye:

CVE-2016-3977 [MEDIUM] CVE-2016-3977: giflib - Heap-based buffer overflow in util/gif2rgb.c in gif2rgb in giflib 5.1.2 allows r... Heap-based buffer overflow in util/gif2rgb.c in gif2rgb in giflib 5.1.2 allows remote attackers to cause a denial of service (application crash) via the background color index in a GIF file. Scope: local bookworm: resolved (fixed in 5.1.4-3) bullseye: resolved (fixed in 5.1.4-3) forky: resolved (fixed in 5.1.4-3) sid: resolved (fixed in 5.1.4-3) trixie: resolved (fix

CVE-2016-3177 [CRITICAL] CVE-2016-3177: giflib - Multiple use-after-free and double-free vulnerabilities in gifcolor.c in GIFLIB ... Multiple use-after-free and double-free vulnerabilities in gifcolor.c in GIFLIB 5.1.2 have unspecified impact and attack vectors. Scope: local bookworm: resolved (fixed in 5.1.4-0.1) bullseye: resolved (fixed in 5.1.4-0.1) forky: resolved (fixed in 5.1.4-0.1) sid: resolved (fixed in 5.1.4-0.1) trixie: resolved (fixed in 5.1.4-0.1)

CVE-2015-7555 [MEDIUM] CVE-2015-7555: giflib - Heap-based buffer overflow in giffix.c in giffix in giflib 5.1.1 allows attacker... Heap-based buffer overflow in giffix.c in giffix in giflib 5.1.1 allows attackers to cause a denial of service (program crash) via crafted image and logical screen width fields in a GIF file. Scope: local bookworm: resolved (fixed in 5.1.2-0.1) bullseye: resolved (fixed in 5.1.2-0.1) forky: resolved (fixed in 5.1.2-0.1) sid: resolved (fixed in 5.1.2-0.1) trixie: reso

CVE-2005-3350 [HIGH] CVE-2005-3350: giflib - libungif library before 4.1.0 allows attackers to corrupt memory and possibly ex... libungif library before 4.1.0 allows attackers to corrupt memory and possibly execute arbitrary code via a crafted GIF file that leads to an out-of-bounds write. Scope: local bookworm: resolved (fixed in 4.1.4-1) bullseye: resolved (fixed in 4.1.4-1) forky: resolved (fixed in 4.1.4-1) sid: resolved (fixed in 4.1.4-1) trixie: resolved (fixed in 4.1.4-1)

CVE-2005-2974 [LOW] CVE-2005-2974: giflib - libungif library before 4.1.0 allows attackers to cause a denial of service via ... libungif library before 4.1.0 allows attackers to cause a denial of service via a crafted GIF file that triggers a null dereference. Scope: local bookworm: resolved (fixed in 4.1.4-1) bullseye: resolved (fixed in 4.1.4-1) forky: resolved (fixed in 4.1.4-1) sid: resolved (fixed in 4.1.4-1) trixie: resolved (fixed in 4.1.4-1)