VULNERABILITY INTELLIGENCE
CVE-2007-5269
CVSS score5 MEDIUM
EPSS probability4.77%
CISA KEVNot currently listed
Published2007-10-08
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:P
Description
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.
Weakness classification
- CWE-20: Improper Input Validation