CVE-2006-5793: greg_roelofs libpng Improper Input Validation
Vulnerability summary
CVE-2006-5793 is a low (CVSS 2.6) Improper Input Validation vulnerability in greg_roelofs libpng. EPSS estimates a 1.87% chance of exploitation in the next 30 days, higher than 79.3% of scored vulnerabilities.
Not severe (CVSS 2.6, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2 · Related 1Timeline
- 17-11-2006PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
1.87%
Chance of exploitation in the next 30 days
Percentile
79%
Versus all other CVEs
30-day change
Increase +0.11 pp
From 1.76% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Greg_roelofs1 product
- libpng1.0.6 | 1.0.7 | 1.0.8 | 1.0.9 | 1.2.0 | 1.2.1 | 1.2.2 | 1.2.3 | 1.2.4 | 1.2.5 | 1.2.6 | 1.2.7 | 1.2.7rc1 | 1.2.8 | 1.2.9 | 1.2.10 | 1.2.11 | 1.2.12
1 vendor · 1 product
References
43 links- support.avaya.com/elmodocs2/security/ASA-2007-254.htmX Refsource CONFIRM
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10324VDB EntrySignatureX Refsource OVAL
- issues.rpath.com/browse/RPL-824X Refsource CONFIRM
- www.coresecurity.com?action=item&id=2148X Refsource MISC
Show all 43 references
- docs.info.apple.com/article.html?artnum=307562X Refsource CONFIRM
- slackware.com/security/viewer.php?l=slackware-security&y=2006&m=slackware-security.465035Vendor AdvisoryX Refsource SLACKWARE