How severe is CVE-2023-46363?

CVE-2023-46363 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-2023-46363 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-2023-46363?

CVE-2023-46363 affects Jbig2enc Project Jbig2enc. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-46363?

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

When was CVE-2023-46363 published?

CVE-2023-46363 was published on 2023-11-08 and last updated on 2026-06-17.

CVE-2023-46363

CVE-2023-46363 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-120.

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-120
Affected product: Jbig2enc Project Jbig2enc
Published: 2023-11-08
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2023-46363?: jbig2enc v0.28 was discovered to contain a SEGV via jbig2_add_page in src/jbig2enc.cc:512.
How severe is CVE-2023-46363?: CVE-2023-46363 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-2023-46363 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-2023-46363?: CVE-2023-46363 affects Jbig2enc Project Jbig2enc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-46363?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-46363 published?: CVE-2023-46363 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-2023-46362 — Medium (CVSS 5.5): jbig2enc v0.28 was discovered to contain a heap-use-after-free via jbig2enc_auto_threshold_using_hash in…

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