What’s Vulnerable › Vulnerabilities
CVE-2015-8877
- Severity: high (CVSS 7.5 v3.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 3.6% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2016-05-22 · updated 2026-06-17
- Weakness: CWE-399
Description
The gdImageScaleTwoPass function in gd_interpolation.c in the GD Graphics Library (aka libgd) before 2.2.0, as used in PHP before 5.6.12, uses inconsistent allocate and free approaches, which allows remote attackers to cause a denial of service (memory consumption) via a crafted call, as demonstrated by a call to the PHP imagescale function.
Affected products
References
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- http://www.debian.org/security/2016/dsa-3587
- http://www.php.net/ChangeLog-5.php
- http://www.ubuntu.com/usn/USN-2987-1
- https://bugs.php.net/bug.php?id=70064
- https://github.com/libgd/libgd/commit/4751b606fa38edc456d627140898a7ec679fcc24
- https://github.com/libgd/libgd/issues/173
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- http://www.debian.org/security/2016/dsa-3587
- http://www.php.net/ChangeLog-5.php
- http://www.ubuntu.com/usn/USN-2987-1
- https://bugs.php.net/bug.php?id=70064
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