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Vulnerability details: VCID-u2tr-c7qt-9ycm
Vulnerability ID VCID-u2tr-c7qt-9ycm
Aliases CVE-2018-5711
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.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')
CWE-681 Incorrect Conversion between Numeric Types
System Score Found at
cvssv3 4.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-5711.json
epss 0.03962 https://api.first.org/data/v1/epss?cve=CVE-2018-5711
epss 0.03962 https://api.first.org/data/v1/epss?cve=CVE-2018-5711
epss 0.03962 https://api.first.org/data/v1/epss?cve=CVE-2018-5711
epss 0.06057 https://api.first.org/data/v1/epss?cve=CVE-2018-5711
epss 0.06057 https://api.first.org/data/v1/epss?cve=CVE-2018-5711
epss 0.06075 https://api.first.org/data/v1/epss?cve=CVE-2018-5711
epss 0.06075 https://api.first.org/data/v1/epss?cve=CVE-2018-5711
epss 0.06075 https://api.first.org/data/v1/epss?cve=CVE-2018-5711
epss 0.06075 https://api.first.org/data/v1/epss?cve=CVE-2018-5711
epss 0.06075 https://api.first.org/data/v1/epss?cve=CVE-2018-5711
epss 0.06075 https://api.first.org/data/v1/epss?cve=CVE-2018-5711
epss 0.06075 https://api.first.org/data/v1/epss?cve=CVE-2018-5711
epss 0.06075 https://api.first.org/data/v1/epss?cve=CVE-2018-5711
epss 0.06075 https://api.first.org/data/v1/epss?cve=CVE-2018-5711
epss 0.06075 https://api.first.org/data/v1/epss?cve=CVE-2018-5711
epss 0.112 https://api.first.org/data/v1/epss?cve=CVE-2018-5711
epss 0.112 https://api.first.org/data/v1/epss?cve=CVE-2018-5711
cvssv3 5.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2018-5711
cvssv3 5.5 https://nvd.nist.gov/vuln/detail/CVE-2018-5711
archlinux Critical https://security.archlinux.org/AVG-865
Reference id Reference type URL
http://php.net/ChangeLog-5.php
http://php.net/ChangeLog-7.php
https://access.redhat.com/errata/RHSA-2019:2519
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-5711.json
https://api.first.org/data/v1/epss?cve=CVE-2018-5711
https://bugs.php.net/bug.php?id=75571
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11142
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11143
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11144
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11145
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11628
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12932
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12933
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12934
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-16642
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5711
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5712
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://lists.debian.org/debian-lts-announce/2018/01/msg00022.html
https://lists.debian.org/debian-lts-announce/2019/01/msg00028.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3CZ2QADQTKRHTGB2AHD7J4QQNDLBEMM6/
https://security.gentoo.org/glsa/201903-18
https://www.oracle.com/security-alerts/cpuapr2020.html
1535246 https://bugzilla.redhat.com/show_bug.cgi?id=1535246
887485 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=887485
AVG-865 https://security.archlinux.org/AVG-865
cpe:2.3:a:php:php:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.2.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:7.2.0:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
CVE-2018-5711 https://nvd.nist.gov/vuln/detail/CVE-2018-5711
RHSA-2018:1296 https://access.redhat.com/errata/RHSA-2018:1296
USN-3755-1 https://usn.ubuntu.com/3755-1/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-5711.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-5711
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-5711
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.88004
EPSS Score 0.03962
Published At Aug. 1, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:28:49.699655+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.8/main.json 37.0.0