The DGifDecompressLine function in dgif_lib.c in GIFLIB (possibly version 3.0.x), as…
Priority MEDIUM 43CWE-129Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-129 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.0245 84th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:giflib_project:giflib:*:*:*:*:*:*:*:* | 3.0 – 3.1.1 | Vulnerable | Giflib Project |
| cpe:2.3:a:sam2p_project:sam2p:0.49.4:*:*:*:*:*:*:* | 0.49.4 | Vulnerable | Sam2p Project |
- cpe:2.3:a:giflib_project:giflib:*:*:*:*:*:*:*:* Versions 3.0 – 3.1.1 Vulnerable ·Giflib Project
- cpe:2.3:a:sam2p_project:sam2p:0.49.4:*:*:*:*:*:*:* Versions 0.49.4 Vulnerable ·Sam2p Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
Not affected: 5 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux OpenStack Platform 7 (Kilo) Operational Tools
Timeline
- 2026-10-02 Threatist record created from CVE-2018-11489
- 2026-10-03 Alias added: GHSA-w8g7-8frf-5h65
References
Sources
- CVE-2018-11489 · CVE Program
- CVE-2018-11489 · NVD
- FIRST EPSS
- GHSA-w8g7-8frf-5h65 · GitHub Advisory Database · CC BY 4.0
- CVE-2018-11489 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences