CVSS 3.0
8.8 highCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HCVE-2015-8540
Integer underflow in the png_check_keyword function in pngwutil.c in libpng 0.90 through 0.99, 1.0.x before 1.0.66, 1.1.x and 1.2.x before 1.2.56, 1.3.x and 1.4.x before 1.4.19, and 1.5.x before 1.5.26 allows remote attackers to have unspecified impact via a space character as a keyword in a PNG image, which triggers an out-of-bounds read.
Severity
- EPSS
- 6.5% chance of exploitation in the next 30 days; higher than 93% of CVEs (scores of 2026-10-31)
- CWE
- CWE-189
- Published
- Modified
- Record from
- the NVD, synced
Affected
- debian:debian_linux
- fedoraproject:fedora
- libpng:libpng
- redhat:enterprise_linux_desktop_supplementary
- redhat:enterprise_linux_hpc_node
- redhat:enterprise_linux_server_supplementary
- redhat:enterprise_linux_workstation_supplementary
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174435.html
- http://sourceforge.net/p/libpng/bugs/244/
- http://sourceforge.net/p/libpng/code/ci/d9006f683c641793252d92254a75ae9b815b42ed/
- http://sourceforge.net/projects/libpng/files/libpng10/1.0.66/
- http://sourceforge.net/projects/libpng/files/libpng12/1.2.56/