An issue was discovered in Exempi before 2.4.3.
Priority LOW 27CWE-20Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
An issue was discovered in Exempi before 2.4.3. The VPXChunk class in XMPFiles/source/FormatSupport/WEBP_Support.cpp does not ensure nonzero widths and heights, which allows remote attackers to cause a denial of service (assertion failure and application exit) via a crafted .webp file.
Why it matters now
EPSS 0.01049 64th 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 · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:exempi_project:exempi:*:*:*:*:*:*:*:* | before 2.4.3 | Vulnerable | Exempi Project |
- cpe:2.3:a:exempi_project:exempi:*:*:*:*:*:*:*:* Versions before 2.4.3 Vulnerable ·Exempi 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: 3 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
Timeline
- 2026-10-02 Threatist record created from CVE-2017-18235
- 2026-10-03 Alias added: GHSA-4p29-x5hq-25mf
References
More Exempi Project Exempi vulnerabilities
- TI-2020-13419 Buffer Overflow vulnerability in WEBP_Support.cpp in exempi 2.5.0 and earlier allows… CVSS 3.1MEDIUM 6.5
- TI-2020-13418 Buffer Overflow vulnerability in function ID3_Support::ID3v2Frame::getFrameValue in… CVSS 3.1MEDIUM 6.5
- TI-2018-09078 The WEBP::GetLE32 function in XMPFiles/source/FormatSupport/WEBP_Support.hpp in Exempi… CVSS 3.0HIGH 7.5
- TI-2017-13419 An issue was discovered in Exempi before 2.4.3. CVSS 3.0HIGH 7.8
- TI-2018-05576 An issue was discovered in Exempi through 2.4.4. CVSS 3.0MEDIUM 5.5
- TI-2018-05574 An issue was discovered in Exempi through 2.4.4. CVSS 3.0MEDIUM 5.5
Sources
- CVE-2017-18235 · CVE Program
- CVE-2017-18235 · NVD
- FIRST EPSS
- GHSA-4p29-x5hq-25mf · GitHub Advisory Database · CC BY 4.0
- CVE-2017-18235 · 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