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Public proof of conceptFix available

CVE-2023-46361

A public proof of concept exists; no exploitation attested.

  • Published2023-10-31
  • WeaknessCWE-400

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Artifex Software jbig2dec v0.20 was discovered to contain a SEGV vulnerability via jbig2_error at /jbig2dec/jbig2.c.

Timeline

dates in UTC
  1. 2023-10-3106:15CVE publishedNVD

Versions per branch

NVD
Artifex jbig2dec
BranchAffectedFixed in
0.20= 0.20no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • jbig2decUbuntu:25.10all versions · no fixed version listed
  • jbig2decUbuntu:22.04:LTSall versions · fixed in 0.19-3ubuntu0.1
  • jbig2decRoot:Debian:12all versions · fixed in 0.19-3+deb12u1.aikido.4and 1 other package
  • jbig2decRoot:Alpine:3.20all versions · fixed in 0.20-r00071and 1 other package
  • jbig2decRoot:Alpine:3.20all versions · fixed in 0.20-r00072and 1 other package
  • jbig2decRoot:Alpine:3.20all versions · fixed in 0.20-r00073and 1 other package
  • jbig2decRoot:Alpine:3.20all versions · fixed in 0.20-r00074and 1 other package
  • jbig2decRoot:Alpine:3.20all versions · fixed in 0.20-r00075and 1 other package

15 more package ranges on OSV.dev

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Published
2023-10-31
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-jm56-5fwr-8p7q

Frequently asked questions

What is CVE-2023-46361?

Artifex Software jbig2dec v0.20 was discovered to contain a SEGV vulnerability via jbig2_error at /jbig2dec/jbig2.c.

Is CVE-2023-46361 actively exploited?

A proof-of-concept exploit exists for CVE-2023-46361, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2023-46361?

CVE-2023-46361 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

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Sources for this record