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Fencer Intel
medium 5.5

CVE-2018-5711 json

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 befor…

published 8y ago modified 4mo ago also EUVD-2018-17480

cvss
5.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
13.2%
EPSS 13.2% chance of exploitation in 30 days, percentile 96%
public exploits
0
none known

Summary

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.

Patch / fix

  • libgd2 Debian 14, Debian 13, Debian 12 2.2.5-4.1

debian advisories DEBIAN-CVE-2018-5711

  • libgd2 Ubuntu 14.04 LTS 2.1.0-3ubuntu0.10
  • libgd2 Ubuntu 16.04 LTS 2.1.1-4ubuntu0.16.04.10
  • libgd2 Ubuntu 18.04 LTS 2.2.5-4ubuntu0.2

ubuntu advisories UBUNTU-CVE-2018-5711

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • rh-php71-php RHEL 3 SOFTWARE_COLLECTIONS 7.1.30-1.el7
  • rh-php71-php-gd RHEL 3 SOFTWARE_COLLECTIONS 7.1.30-1.el7
  • rh-php71-php-cli RHEL 3 SOFTWARE_COLLECTIONS 7.1.30-1.el7
  • rh-php71-php-dba RHEL 3 SOFTWARE_COLLECTIONS 7.1.30-1.el7
  • rh-php71-php-dbg RHEL 3 SOFTWARE_COLLECTIONS 7.1.30-1.el7
  • rh-php71-php-fpm RHEL 3 SOFTWARE_COLLECTIONS 7.1.30-1.el7
  • rh-php71-php-gmp RHEL 3 SOFTWARE_COLLECTIONS 7.1.30-1.el7
  • rh-php71-php-pdo RHEL 3 SOFTWARE_COLLECTIONS 7.1.30-1.el7

red hat advisories RHSA-2019:2519RHSA-2018:1296

  • php53 SLES for SAP 11 SP4, SLES 11 SP4, SLES 11 SP3-TERADATA +3 more 5.3.17-112.20.1
  • php7 SLE Software Development Kit 12 SP3, SLE Software Development Kit 12 SP2, SLE Module for Web and Scripting 12 7.0.7-50.26.1
  • gd SLES for SAP 12 SP3, SLES for SAP 12 SP2, SLES for Raspberry Pi 12 SP2 +8 more 2.1.0-24.6.1
  • gd SLES for SAP 11 SP4, SLES 11 SP4, SLE Software Development Kit 11 SP4 2.0.36.RC1-52.33.5.1
  • php5 SLE Software Development Kit 12 SP3, SLE Software Development Kit 12 SP2, SLE Module for Web and Scripting 12 5.5.14-109.17.1

suse advisories SUSE-SU-2018:0806-1SUSE-SU-2018:0308-1SUSE-SU-2018:0260-1SUSE-SU-2018:0235-1SUSE-SU-2018:0216-1

  • gd openSUSE Tumbleweed 2.3.3-1.1

opensuse advisories openSUSE-SU-2024:10777-1

  • gd Alpine 3.24, Alpine 3.23, Alpine 3.22 +16 more 2.2.5-r2
  • php5 Alpine 3.8, Alpine 3.7, Alpine 3.6 +2 more 5.6.33-r0
  • php7 Alpine 3.5 7.0.27-r0
  • php7 Alpine 3.7, Alpine 3.6 7.1.13-r0

alpine advisories ALPINE-CVE-2018-5711

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • gd Arch Linux 2.2.5-2

arch linux advisories AVG-865

Is CVE-2018-5711 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-5711 updated cvss 4.3

gd: Infinite loop in gdImageCreateFromGifCtx() in gd_gif_in.c

  • Red Hat Enterprise Linux 5 php, php53
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux 6 gd, php, php-gd, php-cli, php-dba, php-fpm, +22 more
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 7 gd, php, php-gd, php-cli, php-dba, php-fpm, +20 more
    affected: no fix available, no fix planned “Will not fix”
  • Red Hat Enterprise Linux 8 gd
    affected: no fix available “Fix deferred”
  • Red Hat Software Collections rh-php56-php, rh-php56-php-gd, rh-php56-php-cli, rh-php56-php-dba, rh-php56-php-dbg, rh-php56-php-fpm, +22 more
    affected: no fix planned “Will not fix”
  • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) rh-php70-php 7.0.27-1.el6, rh-php70-php-gd 7.0.27-1.el6, rh-php70-php-cli 7.0.27-1.el6, rh-php70-php-dba 7.0.27-1.el6, rh-php70-php-dbg 7.0.27-1.el6, rh-php70-php-fpm 7.0.27-1.el6, +24 more Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-php70-php 7.0.27-1.el7, rh-php71-php 7.1.30-1.el7, rh-php70-php-gd 7.0.27-1.el7, rh-php71-php-gd 7.1.30-1.el7, rh-php70-php-cli 7.0.27-1.el7, rh-php70-php-dba 7.0.27-1.el7, +50 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7) rh-php70-php 7.0.27-1.el6, rh-php70-php-gd 7.0.27-1.el6, rh-php70-php-cli 7.0.27-1.el6, rh-php70-php-dba 7.0.27-1.el6, rh-php70-php-dbg 7.0.27-1.el6, rh-php70-php-fpm 7.0.27-1.el6, +24 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3) rh-php70-php 7.0.27-1.el7, rh-php70-php-gd 7.0.27-1.el7, rh-php70-php-cli 7.0.27-1.el7, rh-php70-php-dba 7.0.27-1.el7, rh-php70-php-dbg 7.0.27-1.el7, rh-php70-php-fpm 7.0.27-1.el7, +22 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4) rh-php70-php 7.0.27-1.el7, rh-php71-php 7.1.30-1.el7, rh-php70-php-gd 7.0.27-1.el7, rh-php71-php-gd 7.1.30-1.el7, rh-php70-php-cli 7.0.27-1.el7, rh-php70-php-dba 7.0.27-1.el7, +50 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5) rh-php70-php 7.0.27-1.el7, rh-php71-php 7.1.30-1.el7, rh-php70-php-gd 7.0.27-1.el7, rh-php71-php-gd 7.1.30-1.el7, rh-php70-php-cli 7.0.27-1.el7, rh-php70-php-dba 7.0.27-1.el7, +50 more
    fixed: vendor fix RHSA-2018:1296
  • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) rh-php71-php 7.1.30-1.el7, rh-php71-php-gd 7.1.30-1.el7, rh-php71-php-cli 7.1.30-1.el7, rh-php71-php-dba 7.1.30-1.el7, rh-php71-php-dbg 7.1.30-1.el7, rh-php71-php-fpm 7.1.30-1.el7, +22 more
    fixed: vendor fix RHSA-2019:2519
  • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) rh-php70-php 7.0.27-1.el6, rh-php70-php-gd 7.0.27-1.el6, rh-php70-php-cli 7.0.27-1.el6, rh-php70-php-dba 7.0.27-1.el6, rh-php70-php-dbg 7.0.27-1.el6, rh-php70-php-fpm 7.0.27-1.el6, +24 more Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-php70-php 7.0.27-1.el7, rh-php71-php 7.1.30-1.el7, rh-php70-php-gd 7.0.27-1.el7, rh-php71-php-gd 7.1.30-1.el7, rh-php70-php-cli 7.0.27-1.el7, rh-php70-php-dba 7.0.27-1.el7, +50 more
    fixed: vendor fix RHSA-2018:1296
show 1 more
  • Red Hat Enterprise Linux 5 libwmf Red Hat Enterprise Linux 6 libwmf, libwmf-lite Red Hat Enterprise Linux 7 libwmf, libwmf-lite Red Hat Enterprise Linux 8 php, libzip, php-gd, php-cli, php-dba, php-dbg, +30 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

13.20% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 5.5 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-681 Incorrect Conversion between Numeric Types
  • CWE-835 Loop with Unreachable Exit Condition
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.