giflib_project 関連製品全体の CVE とセキュリティ脆弱性情報を集約し、CVSS、EPSS、公開日、脆弱性情報データを掲載しています。
過去の問題は主に vendor risk memory corruption and バッファオーバーフロー などに関し、一部は vendor impact memory corruption を招き、vendor surface software deployment and vendor surface production workloads 関連の場面に影響します。
掲載データは公開脆弱性情報とセキュリティ公告に基づき、過去の暴露面と修補優先度の評価に利用できます。
| CVE | 概要 | ソース | CVSS 最大値 | EPSS（%） | 公開 | 更新 |
|---|---|---|---|---|---|---|
| CVE-2026-26740 | 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. | [email protected] | 8.2 | 0.32% | 2026-03-18 | 2026-06-17 |
| CVE-2026-23868 | 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. | [email protected] | 5.1 | 0.11% | 2026-03-10 | 2026-06-17 |
| CVE-2024-45993 | Giflib Project v5.2.2 is vulnerable to a heap buffer overflow via gif2rgb. | [email protected] | 6.5 | 0.46% | 2024-09-30 | 2026-06-17 |
| CVE-2023-48161 | 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 | [email protected] | 7.1 | 0.43% | 2023-11-22 | 2026-06-17 |
| CVE-2023-39742 | giflib v5.2.1 was discovered to contain a segmentation fault via the component getarg.c. | [email protected] | 5.5 | 0.33% | 2023-08-25 | 2026-06-17 |
| CVE-2021-40633 | 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. | [email protected] | 8.8 | 1.52% | 2022-06-14 | 2026-06-17 |
| CVE-2022-28506 | There is a heap-buffer-overflow in GIFLIB 5.2.1 function DumpScreen2RGB() in gif2rgb.c:298:45. | [email protected] | 5.5 | 1.21% | 2022-04-25 | 2026-06-17 |
| CVE-2020-23922 | An issue was discovered in giflib through 5.1.4. DumpScreen2RGB in gif2rgb.c has a heap-based buffer over-read. | [email protected] | 7.1 | 2.23% | 2021-04-21 | 2026-06-17 |
| CVE-2019-15133 | 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. | [email protected] | 6.5 | 1.54% | 2019-08-17 | 2026-06-17 |
| CVE-2018-11490 | 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. | [email protected] | 8.8 | 2.48% | 2018-05-26 | 2026-06-17 |
| CVE-2018-11489 | 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. | [email protected] | 8.8 | 2.59% | 2018-05-26 | 2026-06-17 |
| CVE-2016-3177 | Multiple use-after-free and double-free vulnerabilities in gifcolor.c in GIFLIB 5.1.2 have unspecified impact and attack vectors. | [email protected] | 9.8 | 1.63% | 2017-01-23 | 2026-06-17 |
| CVE-2016-3977 | 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. | [email protected] | 5.5 | 2.11% | 2016-04-21 | 2026-06-17 |
| CVE-2015-7555 | 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. | [email protected] | 5.5 | 1.48% | 2016-04-13 | 2026-06-17 |