Giflib Project Giflib — known CVE vulnerabilities

Every CVE whose affected-product data names Giflib Project Giflib, ordered by CVSS severity, with EPSS exploit prediction and CISA KEV status.

CVEs (14)

• CVE-2016-3177 — CVSS 9.8 (critical): Multiple use-after-free and double-free vulnerabilities in gifcolor.c in GIFLIB 5.1.2 have unspecified impact and attack vectors.
• CVE-2018-11490 — CVSS 8.8 (high): 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…
• CVE-2021-40633 — CVSS 8.8 (high): 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…
• CVE-2018-11489 — CVSS 8.8 (high): 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…
• CVE-2026-26740 — CVSS 8.2 (high): Buffer Overflow vulnerability in giflib v.5.2.2 allows a remote attacker to cause a denial of service via the EGifGCBToExtension…
• CVE-2020-23922 — CVSS 7.1 (high): An issue was discovered in giflib through 5.1.4. DumpScreen2RGB in gif2rgb.c has a heap-based buffer over-read.
• CVE-2023-48161 — CVSS 7.1 (high): Buffer Overflow vulnerability in GifLib Project GifLib v.5.2.1 allows a local attacker to obtain sensitive information via the…
• CVE-2024-45993 — CVSS 6.5 (medium): Giflib Project v5.2.2 is vulnerable to a heap buffer overflow via gif2rgb.
• CVE-2019-15133 — CVSS 6.5 (medium): 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…
• CVE-2015-7555 — CVSS 5.5 (medium): 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…
• CVE-2016-3977 — CVSS 5.5 (medium): 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…
• CVE-2022-28506 — CVSS 5.5 (medium): There is a heap-buffer-overflow in GIFLIB 5.2.1 function DumpScreen2RGB() in gif2rgb.c:298:45.
• CVE-2023-39742 — CVSS 5.5 (medium): giflib v5.2.1 was discovered to contain a segmentation fault via the component getarg.c.
• CVE-2026-23868 — CVSS 5.1 (medium): Giflib contains a double-free vulnerability that is the result of a shallow copy in GifMakeSavedImage and incorrect error handling. The…