Buffer overflow in the readextension function in gif2tiff.c in LibTIFF 4.0.6 allows…
Priority LOW 32CWE-119Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 8 fixed, 3 without a fix
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.
Summary
Buffer overflow in the readextension function in gif2tiff.c in LibTIFF 4.0.6 allows remote attackers to cause a denial of service (application crash) via a crafted GIF file.
Why it matters now
EPSS 0.02569 85th percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 8 fixed, 3 without a fix
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
Remediation
Red Hat 1 advisory
- RHSA-2019:2053 Released 2019-08-06 · Red Hat rating Moderatelibtiff security update
- Red Hat Enterprise Linux Client (v. 7) libtiff-4.0.3-32.el7
- Red Hat Enterprise Linux Client Optional (v. 7) libtiff-devel-4.0.3-32.el7, libtiff-static-4.0.3-32.el7, libtiff-tools-4.0.3-32.el7
- Red Hat Enterprise Linux ComputeNode (v. 7) libtiff-4.0.3-32.el7
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) libtiff-devel-4.0.3-32.el7, libtiff-static-4.0.3-32.el7, libtiff-tools-4.0.3-32.el7
- Red Hat Enterprise Linux Server (v. 7) libtiff-4.0.3-32.el7, libtiff-4.0.3-32.el7.ppc, libtiff-devel-4.0.3-32.el7 +1
- Red Hat Enterprise Linux Server Optional (v. 7) libtiff-static-4.0.3-32.el7, libtiff-static-4.0.3-32.el7.ppc, libtiff-tools-4.0.3-32.el7
- Red Hat Enterprise Linux Workstation (v. 7) libtiff-4.0.3-32.el7, libtiff-devel-4.0.3-32.el7
- Red Hat Enterprise Linux Workstation Optional (v. 7) libtiff-static-4.0.3-32.el7, libtiff-tools-4.0.3-32.el7
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2019:2053 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2019:2053 |
| Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2019:2053 |
| Red Hat Enterprise Linux ComputeNode Optional (v. 7) | Fixed | RHSA-2019:2053 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2019:2053 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2019:2053 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2019:2053 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2019:2053 |
Timeline
- 2026-10-02 Threatist record created from CVE-2016-3186
- 2026-10-03 Alias added: GHSA-3x5j-gmvm-pgmx
References
Sources
- CVE-2016-3186 · CVE Program
- CVE-2016-3186 · NVD
- FIRST EPSS
- GHSA-3x5j-gmvm-pgmx · GitHub Advisory Database · CC BY 4.0
- CVE-2016-3186 · Red Hat security data · CC BY 4.0
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