Artifex Software jbig2dec v0.20 was discovered to contain a SEGV vulnerability via jbig2_error at /jbig2dec/jbig2.c.
Priority MEDIUM 62CWE-400Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-400.
Summary
Artifex Software jbig2dec v0.20 was discovered to contain a SEGV vulnerability via jbig2_error at /jbig2dec/jbig2.c.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00882 59th 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
- Partial
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
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-46361
- 2026-10-03 Alias added: GHSA-jm56-5fwr-8p7q
References
More Artifex Jbig2dec vulnerabilities
- TI-2020-09801 jbig2_image_compose in jbig2_image.c in Artifex jbig2dec before 0.18 has a heap-based buffer overflow. CVSS 3.1CRITICAL 9.8
- TI-2017-05578 Artifex jbig2dec 0.13, as used in Ghostscript, allows out-of-bounds writes because of an… CVSS 3.0HIGH 7.8
- TI-2017-06665 libjbig2dec.a in Artifex jbig2dec 0.13, as used in MuPDF and Ghostscript, has a NULL… CVSS 3.1MEDIUM 6.5
- TI-2017-05496 Artifex jbig2dec 0.13 has a heap-based buffer over-read leading to denial of service… CVSS 3.0HIGH 7.1
- TI-2017-05579 Artifex jbig2dec 0.13 allows out-of-bounds writes and reads because of an integer… CVSS 3.0HIGH 7.1
- TI-2016-07822 Integer overflow in ghostscript CVSS 3.0MEDIUM 5.5
Sources
- CVE-2023-46361 · CVE Program
- CVE-2023-46361 · NVD
- FIRST EPSS
- GHSA-jm56-5fwr-8p7q · GitHub Advisory Database · CC BY 4.0
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