CVE-2023-46362
jbig2enc v0.28 was discovered to contain a heap-use-after-free via...
jbig2enc v0.28 was discovered to contain a heap-use-after-free via jbig2enc_auto_threshold_using_hash in src/jbig2enc.cc.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
5.5
jbig2enc v0.28 was discovered to contain a heap-use-after-free via jbig2enc_auto_threshold_using_hash in src/jbig2enc.cc.
- Record
CVE-2023-46362- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
CVE List No score
jbig2enc v0.28 was discovered to contain a heap-use-after-free via jbig2enc_auto_threshold_using_hash in src/jbig2enc.cc.
- Record
CVE-2023-46362- Updated
- 2026-11-02
EUVDEUVD-2023-50582 No score
jbig2enc v0.28 was discovered to contain a heap-use-after-free via jbig2enc_auto_threshold_using_hash in src/jbig2enc.cc.
- Record
EUVD-2023-50582- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-f4hj-7928-3pr9
5.5
jbig2enc v0.28 was discovered to contain a heap-use-after-free via...
jbig2enc v0.28 was discovered to contain a heap-use-after-free via jbig2enc_auto_threshold_using_hash in src/jbig2enc.cc.
- Record
GHSA-f4hj-7928-3pr9- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
OSVDEBIAN-CVE-2023-46362
5.5
jbig2enc v0.28 was discovered to contain a heap-use-after-free via jbig2enc_auto_threshold_using_hash in src/jbig2enc.cc.
- Record
DEBIAN-CVE-2023-46362- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2023-46362
5.5
jbig2enc v0.28 was discovered to contain a heap-use-after-free via jbig2enc_auto_threshold_using_hash in src/jbig2enc.cc.
- Record
UBUNTU-CVE-2023-46362- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSV No score
jbig2enc v0.28 was discovered to contain a heap-use-after-free via jbig2enc_auto_threshold_using_hash in src/jbig2enc.cc.
- Record
CVE-2023-46362- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
jbig2encDebian:13 |
before 0.30-1 | 0.30-1 |
jbig2encDebian:14 |
before 0.30-1 | 0.30-1 |
jbig2encUbuntu:24.04:LTS |
All versions, plus listed versions 0.29-20.29-2.10.29-2.1build1 |
None known |
jbig2encUbuntu:25.10 |
All versions, plus listed versions 0.30-1 |
None known |
jbig2encUbuntu:26.10 |
All versions, plus listed versions 0.30-20.31+ds-10.32+ds-1 |
None known |
jbig2encUbuntu:26.04:LTS |
All versions, plus listed versions 0.30-10.30-1build10.30-2 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-46362 is a medium vulnerability (CVSS 5.5) in Jbig2enc Project Jbig2enc, published November 8, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.30%, the 23rd percentile. Fixed in jbig2enc 0.30-1.
References
github.com/agl/jbig2enc/issues/84
github.com/agl/jbig2enc
nvd.nist.gov/vuln/detail/CVE-2023-46362
github.com/advisories/GHSA-f4hj-7928-3pr9
github.com/CVEProject/cvelistV5/tree/main/cves/2023/46xxx/CVE-2023-46362.json
security-tracker.debian.org/tracker/CVE-2023-46362
ubuntu.com/security/CVE-2023-46362
cve.org/CVERecord?id=CVE-2023-46362