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CVE-2008-3964

4.3 · MEDIUM

Multiple off-by-one errors in libpng before 1.2.32beta01, and 1.4 before 1.4.0beta34, allow context-dependent attackers to cause a denial of service (crash) or have unspecified other impact via a P…

Published Sep 11, 2008libpngCWE-193EPSS 3.34%

Overview

CVE-2008-3964 is a medium-severity vulnerability affecting libpng libpng. It was published on September 11, 2008 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Multiple off-by-one errors in libpng before 1.2.32beta01, and 1.4 before 1.4.0beta34, allow context-dependent attackers to cause a denial of service (crash) or have unspecified other impact via a PNG image with crafted zTXt chunks, related to (1) the png_push_read_zTXt function in pngread.c, and possibly related to (2) pngtest.c.

Remediation

Check the references section for vendor advisories and patches from libpng. Update libpng to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
libpnglibpng>= 0, < 1.2.32Affected

References

Refsecunia.com/advisories/31781Refsecunia.com/advisories/33137Refsecunia.com/advisories/35302Refsecunia.com/advisories/35386Refsecurity.gentoo.org/glsa/glsa-200812-15.xmlRefsourceforge.net/mailarchive/forum.php?thread_name=e56ccc8f0809180317u6a5306fg14683947affb3e1b%40mail.gmail.com&forum_name=png-mng-implementRefsourceforge.net/project/shownotes.php?group_id=5624&release_id=624517Refsourceforge.net/project/shownotes.php?release_id=624518Refsourceforge.net/tracker/index.php?func=detail&aid=2095669&group_id=5624&atid=105624Refsunsolve.sun.com/search/document.do?assetkey=1-66-259989-1

How CyberStrike helps

Frequently asked questions

What is CVE-2008-3964?

CVE-2008-3964 is a medium-severity vulnerability affecting libpng libpng. It was published on September 11, 2008 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

How severe is CVE-2008-3964?

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2008-3964?

Check the references section for vendor advisories and patches from libpng. Update libpng to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2008-3964?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2008-3964 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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