CVE-2008-3964

Name: CVE-2008-3964
Creator: NVD / NIST
Published: 2008-09-11T01:13:47.633+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.34%

Last modified Jun 16, 2026

CVE-2008-3964 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 3.34% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

3.34%

87.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-193

Affected Software

Vendor	Product	Versions	Update
Libpng	Libpng	< 1.2.32	—
Libpng	Libpng	1.4.0	Beta1

References

http://secunia.com/advisories/31781Third Party Advisory
http://secunia.com/advisories/33137Third Party Advisory
http://secunia.com/advisories/35302Third Party Advisory
http://secunia.com/advisories/35386Third Party Advisory
http://security.gentoo.org/glsa/glsa-200812-15.xmlThird Party Advisory
http://sourceforge.net/mailarchive/forum.php?thread_name=e56ccc8f0809180317u6a5306fg14683947affb3e1b%40mail.gmail.com&forum_name=png-mng-implementThird Party Advisory
http://sourceforge.net/project/shownotes.php?group_id=5624&release_id=624517Product, Third Party Advisory
http://sourceforge.net/project/shownotes.php?release_id=624518Broken Link, Patch
http://sourceforge.net/tracker/index.php?func=detail&aid=2095669&group_id=5624&atid=105624Exploit, Third Party Advisory
http://sunsolve.sun.com/search/document.do?assetkey=1-66-259989-1Broken Link
http://sunsolve.sun.com/search/document.do?assetkey=1-77-1020521.1-1Broken Link
http://support.avaya.com/elmodocs2/security/ASA-2009-208.htmThird Party Advisory
http://www.kb.cert.org/vuls/id/889484Third Party Advisory, US Government Resource
http://www.mandriva.com/security/advisories?name=MDVSA-2009:051Broken Link
http://www.openwall.com/lists/oss-security/2008/09/09/3Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2008/09/09/8Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/31049Third Party Advisory, VDB Entry
http://www.vupen.com/english/advisories/2008/2512Permissions Required
http://www.vupen.com/english/advisories/2009/1462Permissions Required
http://www.vupen.com/english/advisories/2009/1560Permissions Required
https://exchange.xforce.ibmcloud.com/vulnerabilities/44928Third Party Advisory, VDB Entry
http://secunia.com/advisories/31781Third Party Advisory
http://secunia.com/advisories/33137Third Party Advisory
http://secunia.com/advisories/35302Third Party Advisory
http://secunia.com/advisories/35386Third Party Advisory
http://security.gentoo.org/glsa/glsa-200812-15.xmlThird Party Advisory
http://sourceforge.net/mailarchive/forum.php?thread_name=e56ccc8f0809180317u6a5306fg14683947affb3e1b%40mail.gmail.com&forum_name=png-mng-implementThird Party Advisory
http://sourceforge.net/project/shownotes.php?group_id=5624&release_id=624517Product, Third Party Advisory
http://sourceforge.net/project/shownotes.php?release_id=624518Broken Link, Patch
http://sourceforge.net/tracker/index.php?func=detail&aid=2095669&group_id=5624&atid=105624Exploit, Third Party Advisory
http://sunsolve.sun.com/search/document.do?assetkey=1-66-259989-1Broken Link
http://sunsolve.sun.com/search/document.do?assetkey=1-77-1020521.1-1Broken Link
http://support.avaya.com/elmodocs2/security/ASA-2009-208.htmThird Party Advisory
http://www.kb.cert.org/vuls/id/889484Third Party Advisory, US Government Resource
http://www.mandriva.com/security/advisories?name=MDVSA-2009:051Broken Link
http://www.openwall.com/lists/oss-security/2008/09/09/3Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2008/09/09/8Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/31049Third Party Advisory, VDB Entry
http://www.vupen.com/english/advisories/2008/2512Permissions Required
http://www.vupen.com/english/advisories/2009/1462Permissions Required
http://www.vupen.com/english/advisories/2009/1560Permissions Required
https://exchange.xforce.ibmcloud.com/vulnerabilities/44928Third Party Advisory, VDB Entry

Timeline

Published: Sep 11, 2008
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2008-3964?

How severe is CVE-2008-3964?

Severity scoring for CVE-2008-3964 is pending analysis. The EPSS model estimates a 3.34% probability of exploitation in the next 30 days.

How do I fix CVE-2008-3964?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2008-3964?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST