How severe is CVE-2023-46362?

CVE-2023-46362 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-46362 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-46362?

CVE-2023-46362 affects Jbig2enc Project Jbig2enc. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-46362?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-46362 published?

CVE-2023-46362 was published on 2023-11-08 and last updated on 2026-06-17.

CVE-2023-46362

CVE-2023-46362 is a medium-severity vulnerability in Jbig2enc Project Jbig2enc with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-416.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-416
Affected product: Jbig2enc Project Jbig2enc
Published: 2023-11-08
Last modified: 2026-06-17

Description

jbig2enc v0.28 was discovered to contain a heap-use-after-free via jbig2enc_auto_threshold_using_hash in src/jbig2enc.cc.

Frequently asked questions

What is CVE-2023-46362?: jbig2enc v0.28 was discovered to contain a heap-use-after-free via jbig2enc_auto_threshold_using_hash in src/jbig2enc.cc.
How severe is CVE-2023-46362?: CVE-2023-46362 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-46362 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-46362?: CVE-2023-46362 affects Jbig2enc Project Jbig2enc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-46362?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-46362 published?: CVE-2023-46362 was published on 2023-11-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jbig2enc_project:jbig2enc:0.28:*:*:*:*:*:*:*

More vulnerabilities in Jbig2enc Project Jbig2enc

CVE-2018-11230 — High (CVSS 8.8): jbig2_add_page in jbig2enc.cc in libjbig2enc.a in jbig2enc 0.29 allows remote attackers to cause a denial of service…
CVE-2023-46363 — Medium (CVSS 5.5): jbig2enc v0.28 was discovered to contain a SEGV via jbig2_add_page in src/jbig2enc.cc:512.

All CVEs affecting Jbig2enc Project Jbig2enc →

Other CWE-416 (Use After Free) vulnerabilities

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CVE-2026-4725 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149…
CVE-2026-4688 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox…
CVE-2025-24085 — Critical (CVSS 10.0): A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.3 and iPadOS 18.3,…
CVE-2024-43102 — Critical (CVSS 10.0): Concurrent removals of certain anonymous shared memory mappings by using the UMTX_SHM_DESTROY sub-request of…
CVE-2021-32495 — Critical (CVSS 10.0): Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function. Attacker can read freed memory…

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