tif_pixarlog.c in libtiff 4.0.6 has out-of-bounds write vulnerabilities in heap allocated…
Priority MEDIUM 48CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 16 fixed, 2 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
tif_pixarlog.c in libtiff 4.0.6 has out-of-bounds write vulnerabilities in heap allocated buffers. Reported as MSVR 35094, aka "PixarLog horizontalDifference heap-buffer-overflow."
Why it matters now
EPSS 0.036 89th percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 16 fixed, 2 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-2017:0225 Released 2017-02-01 · Red Hat rating Moderatelibtiff security update
- Red Hat Enterprise Linux Client (v. 7) libtiff-4.0.3-27.el7_3
- Red Hat Enterprise Linux Client Optional (v. 7) libtiff-devel-4.0.3-27.el7_3, libtiff-static-4.0.3-27.el7_3, libtiff-tools-4.0.3-27.el7_3
- Red Hat Enterprise Linux ComputeNode (v. 7) libtiff-4.0.3-27.el7_3
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) libtiff-devel-4.0.3-27.el7_3, libtiff-static-4.0.3-27.el7_3, libtiff-tools-4.0.3-27.el7_3
- Red Hat Enterprise Linux Desktop (v. 6) libtiff-3.9.4-21.el6_8
- Red Hat Enterprise Linux Desktop Optional (v. 6) libtiff-devel-3.9.4-21.el6_8, libtiff-static-3.9.4-21.el6_8
- Red Hat Enterprise Linux HPC Node (v. 6) libtiff-3.9.4-21.el6_8
- Red Hat Enterprise Linux HPC Node Optional (v. 6) libtiff-devel-3.9.4-21.el6_8, libtiff-static-3.9.4-21.el6_8
- Red Hat Enterprise Linux Server (v. 6) libtiff-3.9.4-21.el6_8, libtiff-3.9.4-21.el6_8.ppc, libtiff-devel-3.9.4-21.el6_8 +1
- Red Hat Enterprise Linux Server (v. 7) libtiff-4.0.3-27.el7_3, libtiff-4.0.3-27.el7_3.ppc, libtiff-devel-4.0.3-27.el7_3 +1
- Red Hat Enterprise Linux Server Optional (v. 6) libtiff-static-3.9.4-21.el6_8
- Red Hat Enterprise Linux Server Optional (v. 7) libtiff-static-4.0.3-27.el7_3, libtiff-static-4.0.3-27.el7_3.ppc, libtiff-tools-4.0.3-27.el7_3
- Red Hat Enterprise Linux Workstation (v. 6) libtiff-3.9.4-21.el6_8, libtiff-devel-3.9.4-21.el6_8
- Red Hat Enterprise Linux Workstation (v. 7) libtiff-4.0.3-27.el7_3, libtiff-devel-4.0.3-27.el7_3
- Red Hat Enterprise Linux Workstation Optional (v. 6) libtiff-static-3.9.4-21.el6_8
- Red Hat Enterprise Linux Workstation Optional (v. 7) libtiff-static-4.0.3-27.el7_3, libtiff-tools-4.0.3-27.el7_3
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 7 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2017:0225 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2017:0225 |
| Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2017:0225 |
| Red Hat Enterprise Linux ComputeNode Optional (v. 7) | Fixed | RHSA-2017:0225 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2017:0225 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2017:0225 |
| Red Hat Enterprise Linux HPC Node (v. 6) | Fixed | RHSA-2017:0225 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2017:0225 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2017:0225 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2017:0225 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2017:0225 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2017:0225 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2017:0225 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2017:0225 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2017:0225 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2017:0225 |
Timeline
- 2026-10-02 Threatist record created from CVE-2016-9533
- 2026-10-03 Alias added: GHSA-v597-gp93-8h3h
References
More Libtiff vulnerabilities
- TI-2023-28739 Libtiff: segment fault in libtiff in tiffreadrgbatileext() leading to denial of service CVSS 3.1HIGH 7.5
- TI-2023-10746 libtiff 4.5.0 is vulnerable to Buffer Overflow via extractContigSamplesBytes() at /libtiff/tools/tiffcrop.c:3215. CVSS 3.1HIGH 8.8
- TI-2022-03639 LibTIFF tif_getimage.c TIFFReadRGBATileExt integer overflow CVSS 3.1HIGH 8.8
- TI-2023-05765 Libtiff: out-of-memory in tiffopen via a craft file CVSS 3.1MEDIUM 6.5
- TI-2022-03286 Out-of-bounds write in libtiff CVSS 3.1HIGH 7.7
- TI-2006-03352 Multiple stack-based buffer overflows in the TIFF library (libtiff) before 3.8.2, as used… CVSS 2.0HIGH 7.5
Sources
- CVE-2016-9533 · CVE Program
- CVE-2016-9533 · NVD
- FIRST EPSS
- GHSA-v597-gp93-8h3h · GitHub Advisory Database · CC BY 4.0
- CVE-2016-9533 · Red Hat security data · CC BY 4.0
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