What’s Vulnerable › Vulnerabilities
CVE-2023-43907
- Severity: high (CVSS 7.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2023-10-01 · updated 2026-06-17
- Weakness: CWE-120
Description
OptiPNG v0.7.7 was discovered to contain a global buffer overflow via the 'buffer' variable at gifread.c.
Affected products
- Optipng Project Optipng: 0.7.7
References
- http://optipng.sourceforge.net/
- https://github.com/Frank-Z7/z-vulnerabilitys/blob/main/optipng-global-buffer-overflow1/optipng-global-buffer-overflow1.md
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IBHVG5LDE2K3FZSIK4XFXOUXSE7NZ5JH/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RCG5CMDT37WCZGAWQNOIPVP4VHGCPUU3/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VAB22JXDE7O27DYARZXC7PFUETM5OOT5/
- https://sourceforge.net/projects/optipng/files/OptiPNG/optipng-0.7.7/optipng-0.7.7.tar.gz/download?use_mirror=udomain&download=
- http://optipng.sourceforge.net/
- https://github.com/Frank-Z7/z-vulnerabilitys/blob/main/optipng-global-buffer-overflow1/optipng-global-buffer-overflow1.md
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IBHVG5LDE2K3FZSIK4XFXOUXSE7NZ5JH/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RCG5CMDT37WCZGAWQNOIPVP4VHGCPUU3/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VAB22JXDE7O27DYARZXC7PFUETM5OOT5/
- https://sourceforge.net/projects/optipng/files/OptiPNG/optipng-0.7.7/optipng-0.7.7.tar.gz/download?use_mirror=udomain&download=
Get alerted when CVE-2023-43907 or the next vulnerability affects your stack