Home/CVE/Certain chunk handlers in libpng before 1.0.29 and 1.2.x before 1.2.21 allow remote attackers to cause a denial of servi
CVE

CVE-2007-5269

Certain chunk handlers in libpng before 1.0.29 and 1.2.x before 1.2.21 allow remote attackers to cause a denial of servi

Certain chunk handlers in libpng before 1.0.29 and 1.2.x before 1.2.21 allow remote attackers to cause a denial of service (crash) via crafted (1) pCAL (png_handle_pCAL), (2) sCAL (png_handle_sCAL), (3) tEXt (png_push_read_tEXt), (4) iTXt (png_handle_iTXt), and (5) ztXT (png_handle_ztXt) chunking in PNG images, which trigger out-of-bounds read operations.

MEDIUM · CVSS 5 EPSS 0.0563
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  • EPSS percentile: top 9% of all CVEs by exploitation likelihood
Sigma rules0 YARA rules0

Weakness Classification

Affected Products & Versions

2
libpng<= 1.2.20
libpngall versions

Scoring & Timeline

5
MEDIUM · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Published to NVD08 Oct 2007 · 09:17 PM

Vendor Advisories

4
rhsaRHSA-2010:0478Moderate
rhsaRHSA-2007:0992Moderate
🔗

References & Sources

71
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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