How severe is CVE-2023-39742?

CVE-2023-39742 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-39742 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-39742?

CVE-2023-39742 affects Giflib Project Giflib. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-39742?

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

When was CVE-2023-39742 published?

CVE-2023-39742 was published on 2023-08-25 and last updated on 2026-06-17.

CVE-2023-39742

CVE-2023-39742 is a medium-severity vulnerability in Giflib Project Giflib 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% (25th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Giflib Project Giflib
Published: 2023-08-25
Last modified: 2026-06-17

Description

giflib v5.2.1 was discovered to contain a segmentation fault via the component getarg.c.

Frequently asked questions

What is CVE-2023-39742?: giflib v5.2.1 was discovered to contain a segmentation fault via the component getarg.c.
How severe is CVE-2023-39742?: CVE-2023-39742 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-39742 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-39742?: CVE-2023-39742 affects Giflib Project Giflib. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-39742?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-39742 published?: CVE-2023-39742 was published on 2023-08-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:giflib_project:giflib:5.2.1:*:*:*:*:*:*:*

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