Is CVE-2008-5907 in the CISA KEV catalog?

No. CVE-2008-5907 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2008-5907?

CVE-2008-5907 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2008-5907?

CVE-2008-5907 has an EPSS score of 2.56% (83th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2008-5907?

Upgrade libpng to 1.2.34 or later.

CVE & CISA-KEV Catalog

CVE-2008-5907

MEDIUMEPSS 83th pctl

5.0

CVSS v2

NVD

Description

The png_check_keyword function in pngwutil.c in libpng before 1.0.42, and 1.2.x before 1.2.34, might allow context-dependent attackers to set the value of an arbitrary memory location to zero via vectors involving creation of crafted PNG files with keywords, related to an implicit cast of the '\0' character constant to a NULL pointer. NOTE: some sources incorrectly report this as a double free vulnerability.

How to fix

Remediation Available

libpngNVD

Affected:>= 1.2.0, < 1.2.34Fixed in:1.2.34CVE-2008-5907derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.56%probability of exploitation in 30 days

83rdpercentile

Elevated risk: more likely to be exploited than 83% of all known CVEs.

References

Third-Party Advisory10

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.