In libjpeg before 1.64, BitStream<false>::Get in bitstream.hpp has an assertion failure…
Priority LOW 32CWE-617Published · 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-617.
Summary
In libjpeg before 1.64, BitStream<false>::Get in bitstream.hpp has an assertion failure that may cause denial of service. This is related to out-of-bounds array access during arithmetically coded lossless scan or arithmetically coded sequential scan.
Why it matters now
EPSS 0.01427 73rd 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:libjpeg_project:libjpeg:*:*:*:*:*:*:*:* | before 1.64 | Vulnerable | Libjpeg Project |
- cpe:2.3:a:libjpeg_project:libjpeg:*:*:*:*:*:*:*:* Versions before 1.64 Vulnerable ·Libjpeg Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-31620
- 2026-10-03 Alias added: GHSA-62v2-wx44-h68c
References
More Libjpeg Project Libjpeg vulnerabilities
- TI-2022-13912 In libjpeg 1.63, there is a NULL pointer dereference in LineBuffer::FetchRegion in linebuffer.cpp. CVSS 3.1MEDIUM 5.5
- TI-2022-13911 In libjpeg 1.63, there is a NULL pointer dereference in Component::SubXOf in component.hpp. CVSS 3.1MEDIUM 5.5
Sources
- CVE-2022-31620 · CVE Program
- CVE-2022-31620 · NVD
- FIRST EPSS
- GHSA-62v2-wx44-h68c · GitHub Advisory Database · CC BY 4.0
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