An issue in libtiff 85f2ac8e0b01cb7db2bbecf4a3b891bdbef67938 allows an attacker to…
Priority HIGH 82CWE-94Published · 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: 3 fixed, 3 without a fix
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-94.
Summary
An issue in libtiff 85f2ac8e0b01cb7db2bbecf4a3b891bdbef67938 allows an attacker to execute arbitrary code via the process_command_opts() function in tools/tiffcrop.c
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00726 54th percentileScored 2026-11-07
Fix Partial Red Hat: 2 advisoriesRed Hat: 3 fixed, 3 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
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 2 advisories
- RHSA-2026:69095 Released 2026-09-21 · Red Hat rating Importantlibtiff security update
- Red Hat Enterprise Linux AppStream (v. 8) libtiff-4.0.9-39.el8_10, libtiff-devel-4.0.9-39.el8_10
- Red Hat Enterprise Linux CRB (v. 8) libtiff-tools-4.0.9-39.el8_10
- RHSA-2026:53467 Released 2026-08-11 · Red Hat rating ImportantRed Hat Hardened Images RPMs bug fix and enhancement update
- Red Hat Hardened Images libtiff-4.7.2-2.hum1@aarch64, libtiff-4.7.2-2.hum1@src, libtiff-4.7.2-2.hum1@x86_64 +6
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix yet |
| Red Hat Enterprise Linux 8 | Affected | No fix yet |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2026:69095 |
| Red Hat Enterprise Linux CRB (v. 8) | Fixed | RHSA-2026:69095 |
| Red Hat Hardened Images | Fixed | RHSA-2026:53467 |
Not affected: 4 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2026-52490
- 2026-10-03 Alias added: GHSA-6qm2-q5vx-rh4c
- 2026-10-25 EPSS moved to the 50th–90th percentile
References
Sources
- CVE-2026-52490 · CVE Program
- CVE-2026-52490 · NVD
- FIRST EPSS
- GHSA-6qm2-q5vx-rh4c · GitHub Advisory Database · CC BY 4.0
- CVE-2026-52490 · 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