FILE-IMAGE libpng malformed chunk denial of service attempt
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 (pnghandlepCAL), (2) sCAL (pnghandlesCAL), (3) tEXt (pngpushreadtEXt), (4) iTXt (pnghandleiTXt), and (5) ztXT (pnghandle_ztXt) chunking in PNG images, which trigger out-of-bounds read operations.
CVSS base score 5.0
CVSS impact score 2.9
CVSS exploitability score 10.0
- libpng libpng 1.0.28
- libpng libpng 1.2.20
Ease of attack
Upgrade to the latest non-affected version of the software.
Apply the appropriate vendor supplied patches.
- Talos research team.
- This document was generated from data supplied by the national vulnerability database, a product of the national institute of standards and technology.
- For more information see nvd.