# CVE-2018-11490: libgif7: The DGifDecompressLine function in dgif_lib.c in GIFLIB (possibly version 3.0.x), as later shipped in cgif.c in sam2p...

CVE-2018-11490 is fixed in 2 products on 1 platform, first by giflib-tools 5.1.4-2ubuntu0.1, released August 16, 2019. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-11490
- Priority: Routine
- CVSS: n/a (Low)
- EPSS: 0.0243
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 25, 2018

## Description

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-&gt;RunningCode - 2" array index is not checked. This will lead to a denial of service or possibly unspecified other impact.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | giflib-tools Ubuntu 18.04.6 LTS (bionic) | 5.1.4-2ubuntu0.1 | [giflib-tools 5.1.4-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-giflib-tools-5.1.4-2ubuntu0.1.md) | Aug 16, 2019 |
| Linux | libgif7 Ubuntu 18.04.6 LTS (bionic) | 5.1.4-2ubuntu0.1 | [libgif7 5.1.4-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libgif7-5.1.4-2ubuntu0.1.md) | Aug 16, 2019 |

---

Data as of 2026-11-12T19:57:06Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.
