CVE-2008-3964: libpng Off-by-one Error

Modified

Published 10-09-2008Last modified 07-08-2024

Vulnerability summary

CVE-2008-3964 is a medium (CVSS 4.3) Off-by-one Error vulnerability in libpng. EPSS estimates a 3.34% chance of exploitation in the next 30 days, higher than 88.6% of scored vulnerabilities. 1 public exploit is recorded.

Priority

Routine

Not severe (CVSS 4.3, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?

CVSS score

4.3/10

010

Medium · v2.0 (NVD)

EPSS score

3.34%

0%100%

Low · 0.00 pp in 30 days

KEVNot listedNot listed by any tracked catalog.

RansomwareNot flaggedNo ransomware use recorded.

Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 1 · Related 1

OPENSUSE-SU-2024:10972-1

Timeline

10-09-2008
PublishedVulnerability first disclosed.
07-08-2024
Last modifiedVulnerability information updated.

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.

CVSS metrics

1 score · 1 source · 1 version

v2.04.3

EPSS trend

Probability

3.34%

Chance of exploitation in the next 30 days

Percentile

89%

Versus all other CVEs

30-day change

No change 0.00 pp

From 3.34% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs

CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found

referenceUnverified
Exploit Reference (sourceforge.net)
Maturity: unknown

Weaknesses

CWE · root cause

CWE-193Off-by-one ErrorA product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value.

Affected systems

Version check

Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.

Libpng1 product

libpng< 1.2.32 | 1.4.0:beta1 | 1.4.0:beta10 | 1.4.0:beta11 | 1.4.0:beta12 | 1.4.0:beta13 | 1.4.0:beta14 | 1.4.0:beta15 | 1.4.0:beta16 | 1.4.0:beta17 | 1.4.0:beta18 | 1.4.0:beta19 | 1.4.0:beta2 | 1.4.0:beta20 | 1.4.0:beta21 | 1.4.0:beta22 | 1.4.0:beta23 | 1.4.0:beta24 | 1.4.0:beta25 | 1.4.0:beta26 | 1.4.0:beta27 | 1.4.0:beta28 | 1.4.0:beta29 | 1.4.0:beta3 | 1.4.0:beta30 | 1.4.0:beta31 | 1.4.0:beta32 | 1.4.0:beta33 | 1.4.0:beta4 | 1.4.0:beta5 | 1.4.0:beta6 | 1.4.0:beta7 | 1.4.0:beta8 | 1.4.0:beta9

1 vendor · 1 product

References

21 links

sourceforge.net/project/shownotes.php?group_id=5624&release_id=624517X Refsource CONFIRMProductThird Party Advisory
www.openwall.com/lists/oss-security/2008/09/09/3Mailing ListX Refsource MLISTThird Party Advisory
secunia.com/advisories/35386Third Party AdvisoryX Refsource SECUNIA
sunsolve.sun.com/search/document.do?assetkey=1-77-1020521.1-1Vendor AdvisoryX Refsource SUNALERTBroken Link
exchange.xforce.ibmcloud.com/vulnerabilities/44928VDB EntryX Refsource XFThird Party Advisory
www.vupen.com/english/advisories/2009/1560VDB EntryX Refsource VUPENPermissions Required
www.vupen.com/english/advisories/2009/1462VDB EntryX Refsource VUPENPermissions Required
www.securityfocus.com/bid/31049VDB EntryX Refsource BIDThird Party Advisory
sunsolve.sun.com/search/document.do?assetkey=1-66-259989-1Vendor AdvisoryX Refsource SUNALERTBroken Link
secunia.com/advisories/35302Third Party AdvisoryX Refsource SECUNIA

Show all 21 references

www.openwall.com/lists/oss-security/2008/09/09/8Mailing ListX Refsource MLISTThird Party Advisory
www.kb.cert.org/vuls/id/889484Third Party AdvisoryX Refsource CERT VNUS Government Resource
www.vupen.com/english/advisories/2008/2512VDB EntryX Refsource VUPENPermissions Required
security.gentoo.org/glsa/glsa-200812-15.xmlVendor AdvisoryX Refsource GENTOOThird Party Advisory
secunia.com/advisories/31781Third Party AdvisoryX Refsource SECUNIA
secunia.com/advisories/33137Third Party AdvisoryX Refsource SECUNIA
sourceforge.net/mailarchive/…Mailing ListX Refsource MLISTThird Party Advisory
sourceforge.net/project/shownotes.php?release_id=624518X Refsource CONFIRMBroken LinkPatch
support.avaya.com/elmodocs2/security/ASA-2009-208.htmX Refsource CONFIRMThird Party Advisory
www.mandriva.com/security/advisories?name=MDVSA-2009:051Vendor AdvisoryX Refsource MANDRIVABroken Link
sourceforge.net/tracker/index.php?func=detail&aid=2095669&group_id=5624&atid=105624X Refsource CONFIRMExploitThird Party Advisory