An issue was discovered IW44EncodeCodec.cpp in djvulibre 3.5.28 in allows attackers to…
Priority MEDIUM 62CWE-369Published · 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-369.
Summary
An issue was discovered IW44EncodeCodec.cpp in djvulibre 3.5.28 in allows attackers to cause a denial of service via divide by zero.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01042 64th 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
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:djvulibre_project:djvulibre:3.5.28:*:*:*:*:*:*:* | 3.5.28 | Vulnerable | Djvulibre Project |
- cpe:2.3:a:djvulibre_project:djvulibre:3.5.28:*:*:*:*:*:*:* Versions 3.5.28 Vulnerable ·Djvulibre Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2021-46312
- 2026-10-03 Alias added: GHSA-mqm4-pwjf-gw24
References
More Djvulibre Project Djvulibre vulnerabilities
- TI-2012-05253 DjVuLibre before 3.5.25.3, as used in Evince, Sumatra PDF Reader, VuDroid, and other… CVSS 2.0HIGH 9.3
- TI-2019-13540 DjVuLibre 3.5.27 has a NULL pointer dereference in the function DJVU::filter_fv at IW44EncodeCodec.cpp. CVSS 3.1HIGH 7.5
- TI-2021-12171 Memory corruption in djvulibre CVSS 3.1HIGH 7.8
- TI-2021-12170 Memory corruption in djvulibre CVSS 3.1HIGH 7.8
- TI-2021-12169 Integer overflow in djvulibre CVSS 3.1HIGH 7.8
- TI-2021-12168 Memory corruption in djvulibre CVSS 3.1HIGH 7.8
Sources
- CVE-2021-46312 · CVE Program
- CVE-2021-46312 · NVD
- FIRST EPSS
- GHSA-mqm4-pwjf-gw24 · GitHub Advisory Database · CC BY 4.0
- CVE-2021-46312 · 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