CVE-2006-5793

The sPLT chunk handling code (png_set_sPLT function in pngset.c) in libpng 1.0.6 through 1.2.12 uses a sizeof operator on the wrong data type, which allows context-dependent attackers to cause a denial of service (crash) via malformed sPLT chunks that trigger an out-of-bounds read.

Published: 2006-11-17 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-5793 is rated Low Risk (39.9/100): CVSS Low severity, with medium exploitation likelihood (EPSS 2.33%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2006-5793

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-07-06 2.24% 2.33% +0.09%
2 2025-03-30 7.32% 2.24% -5.08%
3 2025-03-29 — 7.32% —

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-5793

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.6 2.0 LOW
AV:N/AC:H/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:H)
Exploitation requires uncommon or highly specific conditions.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 4.9 2.9 [email protected]

Weakness enumeration for CVE-2006-5793

OS Trackers for CVE-2006-5793

vendor priority summary link
alpine — CVE-2006-5793: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-2006-5793
gentoo normal CVE-2006-5793: 1 GLSA(s) (200611-09), 1 atom(s) (media-libs/libpng); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2006-5793
redhat low — https://access.redhat.com/security/cve/CVE-2006-5793
suse low CVE-2006-5793 severity low: SUSE including 38 source package names (libpng-devel-1.2.31-5.33.1, libpng-devel-32bit-1.2.31-5.33.1, …), 67 product×package rows across 26 product lines (HPE Helion OpenStack 8, SUSE Linux Enterprise High Performance Computing 12 SP5, … (26 product lines)): Fixed 36, Known Not Affected 31. https://www.suse.com/security/cve/CVE-2006-5793/
ubuntu medium CVE-2006-5793 medium priority: Ubuntu including 1 source packages (libpng), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 3, needs-triage 1. https://ubuntu.com/security/CVE-2006-5793

Affected software / configurations for CVE-2006-5793

Vendor Product Version Raw CPE
greg_roelofs libpng 1.0.6 cpe:2.3:a:greg_roelofs:libpng:1.0.6:*:*:*:*:*:*:*
greg_roelofs libpng 1.0.7 cpe:2.3:a:greg_roelofs:libpng:1.0.7:*:*:*:*:*:*:*
greg_roelofs libpng 1.0.8 cpe:2.3:a:greg_roelofs:libpng:1.0.8:*:*:*:*:*:*:*
greg_roelofs libpng 1.0.9 cpe:2.3:a:greg_roelofs:libpng:1.0.9:*:*:*:*:*:*:*
greg_roelofs libpng 1.2.0 cpe:2.3:a:greg_roelofs:libpng:1.2.0:*:*:*:*:*:*:*
greg_roelofs libpng 1.2.1 cpe:2.3:a:greg_roelofs:libpng:1.2.1:*:*:*:*:*:*:*
greg_roelofs libpng 1.2.2 cpe:2.3:a:greg_roelofs:libpng:1.2.2:*:*:*:*:*:*:*
greg_roelofs libpng 1.2.3 cpe:2.3:a:greg_roelofs:libpng:1.2.3:*:*:*:*:*:*:*
greg_roelofs libpng 1.2.4 cpe:2.3:a:greg_roelofs:libpng:1.2.4:*:*:*:*:*:*:*
greg_roelofs libpng 1.2.5 cpe:2.3:a:greg_roelofs:libpng:1.2.5:*:*:*:*:*:*:*
greg_roelofs libpng 1.2.6 cpe:2.3:a:greg_roelofs:libpng:1.2.6:*:*:*:*:*:*:*
greg_roelofs libpng 1.2.7 cpe:2.3:a:greg_roelofs:libpng:1.2.7:*:*:*:*:*:*:*
greg_roelofs libpng 1.2.7rc1 cpe:2.3:a:greg_roelofs:libpng:1.2.7rc1:*:*:*:*:*:*:*
greg_roelofs libpng 1.2.8 cpe:2.3:a:greg_roelofs:libpng:1.2.8:*:*:*:*:*:*:*
greg_roelofs libpng 1.2.9 cpe:2.3:a:greg_roelofs:libpng:1.2.9:*:*:*:*:*:*:*
greg_roelofs libpng 1.2.10 cpe:2.3:a:greg_roelofs:libpng:1.2.10:*:*:*:*:*:*:*
greg_roelofs libpng 1.2.11 cpe:2.3:a:greg_roelofs:libpng:1.2.11:*:*:*:*:*:*:*
greg_roelofs libpng 1.2.12 cpe:2.3:a:greg_roelofs:libpng:1.2.12:*:*:*:*:*:*:*

References for CVE-2006-5793

URL Tags
http://android-developers.blogspot.com/2008/03/android-sdk-update-m5-rc15-released.html
http://bugs.gentoo.org/attachment.cgi?id=101400&action=view Patch
http://bugs.gentoo.org/show_bug.cgi?id=154380 Patch
http://docs.info.apple.com/article.html?artnum=307562
http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html
http://secunia.com/advisories/22889 Patch Vendor Advisory
http://secunia.com/advisories/22900 Patch Vendor Advisory
http://secunia.com/advisories/22941 Vendor Advisory
http://secunia.com/advisories/22950 Vendor Advisory
http://secunia.com/advisories/22951 Vendor Advisory
http://secunia.com/advisories/22956 Patch Vendor Advisory
http://secunia.com/advisories/22958 Patch Vendor Advisory
http://secunia.com/advisories/23208 Vendor Advisory
http://secunia.com/advisories/23335 Vendor Advisory
http://secunia.com/advisories/25329 Vendor Advisory
http://secunia.com/advisories/25742 Vendor Advisory
http://secunia.com/advisories/29420 Vendor Advisory
http://security.gentoo.org/glsa/glsa-200611-09.xml Patch Vendor Advisory
http://securitytracker.com/id?1017244
http://slackware.com/security/viewer.php?l=slackware-security&y=2006&m=slackware-security.465035
http://sourceforge.net/project/shownotes.php?release_id=464278 Patch
http://support.avaya.com/elmodocs2/security/ASA-2007-254.htm
http://www.coresecurity.com/?action=item&id=2148
http://www.mandriva.com/security/advisories?name=MDKSA-2006:209
http://www.mandriva.com/security/advisories?name=MDKSA-2006:210
http://www.mandriva.com/security/advisories?name=MDKSA-2006:211
http://www.mandriva.com/security/advisories?name=MDKSA-2006:212
http://www.novell.com/linux/security/advisories/2006_28_sr.html
http://www.openpkg.com/security/advisories/OpenPKG-SA-2006.036.html
http://www.redhat.com/support/errata/RHSA-2007-0356.html
http://www.securityfocus.com/archive/1/451874/100/200/threaded
http://www.securityfocus.com/archive/1/453484/100/100/threaded
http://www.securityfocus.com/archive/1/489135/100/0/threaded
http://www.securityfocus.com/bid/21078
http://www.trustix.org/errata/2006/0065/
http://www.ubuntu.com/usn/usn-383-1 Patch
http://www.vupen.com/english/advisories/2006/4521 Vendor Advisory
http://www.vupen.com/english/advisories/2006/4568 Vendor Advisory
http://www.vupen.com/english/advisories/2008/0924/references Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/30290
https://issues.rpath.com/browse/RPL-790 Patch
https://issues.rpath.com/browse/RPL-824
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10324
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