In LibTIFF 4.0.9, a heap-based buffer overflow occurs in the function LZWDecodeCompat in…
Priority MEDIUM 44CWE-787Published · 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
- Partial Red Hat: 8 fixed, 1 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.
Summary
In LibTIFF 4.0.9, a heap-based buffer overflow occurs in the function LZWDecodeCompat in tif_lzw.c via a crafted TIFF file, as demonstrated by tiff2ps.
Why it matters now
EPSS 0.03077 87th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Partial Red Hat: 1 advisoryRed Hat: 8 fixed, 1 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
CPE configurations NVD · 11
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:libtiff:libtiff:4.0.9:*:*:*:*:*:*:* | 4.0.9 | Vulnerable | libtiff |
| cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
| cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | 14.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* | 16.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* | 18.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* | 18.10 | Vulnerable | Canonical |
| cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
- cpe:2.3:a:libtiff:libtiff:4.0.9:*:*:*:*:*:*:* Versions 4.0.9 Vulnerable ·libtiff
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* Versions 18.10 Vulnerable ·Canonical
- cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
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: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | 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 |
Not affected: 2 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 8
Timeline
- 2026-10-02 Threatist record created from CVE-2018-8905
- 2026-10-03 Alias added: GHSA-hjgx-w465-2m2j
References
Exploit 2
Sources
- CVE-2018-8905 · CVE Program
- CVE-2018-8905 · NVD
- FIRST EPSS
- GHSA-hjgx-w465-2m2j · GitHub Advisory Database · CC BY 4.0
- CVE-2018-8905 · 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