CVE-2018-5711
gd_gif_in.c in the GD Graphics Library (aka libgd), as used in PHP before 5.6.33, 7.0.x before 7.0.27, 7.1.x before 7.1.13, and 7.2.x before 7.2.1, has an integer signedness error that leads to an infinite loop via a crafted GIF file, as demonstrated by…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 13.2%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
Description
gd_gif_in.c in the GD Graphics Library (aka libgd), as used in PHP before 5.6.33, 7.0.x before 7.0.27, 7.1.x before 7.1.13, and 7.2.x before 7.2.1, has an integer signedness error that leads to an infinite loop via a crafted GIF file, as demonstrated by a call to the imagecreatefromgif or imagecreatefromstring PHP function. This is related to GetCode_ and gdImageCreateFromGifCtx.
- CVSS 3.0
- 5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 13.20% probability · 96th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-681, CWE-835
- Affected
- php/php · debian/debian linux · canonical/ubuntu linux
- Source
- cve@mitre.org
EPSS moved from 28.7% on 21 September 2026 to 13.2% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- http://php.net/ChangeLog-5.phpRelease Notes, Vendor Advisory
- http://php.net/ChangeLog-7.phpRelease Notes, Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:1296Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2519
- https://bugs.php.net/bug.php?id=75571Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/01/msg00022.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/01/msg00028.htmlThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3CZ2QADQTKRHTGB2AHD7J4QQNDLBEMM6/
- https://security.gentoo.org/glsa/201903-18Third Party Advisory
- https://usn.ubuntu.com/3755-1/Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2020.html
- http://php.net/ChangeLog-5.phpRelease Notes, Vendor Advisory
- http://php.net/ChangeLog-7.phpRelease Notes, Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:1296Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2519
- https://bugs.php.net/bug.php?id=75571Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/01/msg00022.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/01/msg00028.htmlThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3CZ2QADQTKRHTGB2AHD7J4QQNDLBEMM6/
- https://security.gentoo.org/glsa/201903-18Third Party Advisory
- https://usn.ubuntu.com/3755-1/Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2020.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.