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TI-2023-24959 Aliases CVE-2023-46363GHSA-52gq-6r3g-qrmr

jbig2enc v0.28 was discovered to contain a SEGV via jbig2_add_page in src/jbig2enc.cc:512.

Priority MEDIUM 58CWE-120Published · Updated

Key facts

Attack vector
Local
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-120 and the CVSS impact.

Summary

jbig2enc v0.28 was discovered to contain a SEGV via jbig2_add_page in src/jbig2enc.cc:512.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00305 23rd 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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jbig2enc_project:jbig2enc:0.28:*:*:*:*:*:*:*0.28VulnerableJbig2enc Project
  • cpe:2.3:a:jbig2enc_project:jbig2enc:0.28:*:*:*:*:*:*:* Versions 0.28 Vulnerable ·Jbig2enc Project

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-46363
  2. 2026-10-03 Alias added: GHSA-52gq-6r3g-qrmr

References

  • TI-2023-24958 jbig2enc v0.28 was discovered to contain a heap-use-after-free via… CVSS 3.1MEDIUM 5.5
  • TI-2018-07992 jbig2_add_page in jbig2enc.cc in libjbig2enc.a in jbig2enc 0.29 allows remote attackers… CVSS 3.0HIGH 8.8

Sources