jpegoptim v1.5.2 was discovered to contain a heap overflow in the optimize function at jpegoptim.c.
Priority HIGH 69CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
jpegoptim v1.5.2 was discovered to contain a heap overflow in the optimize function at jpegoptim.c.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00393 33rd 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
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- 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
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:jpegoptim_project:jpegoptim:1.5.2:*:*:*:*:*:*:* | 1.5.2 | Vulnerable | Jpegoptim Project |
- cpe:2.3:a:jpegoptim_project:jpegoptim:1.5.2:*:*:*:*:*:*:* Versions 1.5.2 Vulnerable ·Jpegoptim Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2023-27781
- 2026-10-03 Alias added: GHSA-9j85-mhfm-pjrc
References
Advisory 1
More Jpegoptim Project Jpegoptim vulnerabilities
- TI-2018-08145 jpegoptim.c in jpegoptim 1.4.5 (fixed in 1.4.6) has an invalid use of realloc() and… CVSS 3.0HIGH 8.8
- TI-2022-14015 JPEGOPTIM v1.4.7 was discovered to contain a segmentation violation which is caused by a… CVSS 3.1MEDIUM 6.5
Sources
- CVE-2023-27781 · CVE Program
- CVE-2023-27781 · NVD
- FIRST EPSS
- GHSA-9j85-mhfm-pjrc · GitHub Advisory Database · CC BY 4.0
- CVE-2023-27781 · 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