libpng CVE-2019-7317 Use After Free Denial of Service Vulnerability

Bugtraq ID:	108098
Class:	Design Error
CVE:	CVE-2019-7317
Remote:	Yes
Local:	No
Published:	Jan 25 2019 12:00AM
Updated:	Jan 25 2019 12:00AM
Credit:	The vendor reported this issue.
Vulnerable:	libpng libpng 1.6.36
Not Vulnerable:	libpng libpng 1.6.37

libpng CVE-2019-7317 Use After Free Denial of Service Vulnerability

libpng is prone to a denial-of-service vulnerability.

An attacker may exploit this issue to crash the affected application, resulting in a denial-of-service condition.

libpng version 1.6.36 is vulnerable; other versions may also be affected.

libpng CVE-2019-7317 Use After Free Denial of Service Vulnerability

Currently, we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

libpng CVE-2019-7317 Use After Free Denial of Service Vulnerability

Solution:
Updates are available. Please see the references or vendor advisory for more information.

libpng CVE-2019-7317 Use After Free Denial of Service Vulnerability

References:

• Issue 12803: libpng-proto/png_transforms_fuzzer: Stack-use-after-return in OSS_F (Chromium)
  
• Red Hat Bugzilla �?? Bug 1672409 (Red Hat Bugzilla)
  
• Use after free #275 (Github)
  
• CVE-2019-7317 libpng: use-after-free in png_image_free in png.c (Redhat)
  
• DSA-4435-1 libpng1.6 -- security update (Debian)
  
• Oracle Critical Patch Update Advisory - July 2019 (Oracle)