Vulnerability in Libgd
CVE-2015-8877
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.036 (89.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.036 · newest: 0.036 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/libgd/libgd/issues/173 (Patch)
- rhn.redhat.com/errata/RHSA-2016-2750.html (vendor-advisory)
- github.com/libgd/libgd/commit/4751b606fa38edc456d627140898a7ec679fcc24 (Patch)
- www.php.net/ChangeLog-5.php
- bugs.php.net/bug.php (Exploit)
- www.ubuntu.com/usn/USN-2987-1 (vendor-advisory)
- www.debian.org/security/2016/dsa-3587 (vendor-advisory)
Frequently asked questions
- What is CVE-2015-8877?
- CVE-2015-8877 is a high-severity vulnerability in Libgd, classified under CWE-399. CVSS score: 7.5/10. Published 2016-05-22.
- How severe is CVE-2015-8877?
- High severity. CVSS v3 base score is 7.5 out of 10.