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    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 a call to the imagecreatefromgif or imagecreatefromstring PHP function. This is related to GetCode_ and gdImageCreateFromGifCtx.

    Published:Nov 25, 2017
    Last Modified:Nov 21, 2024
    EPS:Jan 16, 2018
    EPSS Score:0.08004
    CVSS Score:5.5

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Php
    Product
    Php
    Vendor
    Redhat
    Product
    Rhel Software Collections

    Exploits

    https://github.com/huzhenghui/Test-7-2-0-PHP-CVE-2018-5711https://github.com/huzhenghui/Test-7-2-1-PHP-CVE-2018-5711

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-13476 (CVSS 7.3) — IBM Informix Dynamic Server 14.10, 15.0, and 12.10 could allow an unauthenticated user to execute arbitrary co…
    CVE-2026-13367 (CVSS 7.8) — IBM Informix Dynamic Server 14.10, and 15.0 contain a local privilege escalation vulnerability in the oninit s…
    CVE-2026-47337 (CVSS 3.3) — Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling …
    CVE-2026-47336 (CVSS 3.3) — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/A…
    CVE-2026-47335 (CVSS 5.5) — Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor n…
    CVE-2026-47334 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock…
    CVE-2026-47333 (CVSS 7.8) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the si…
    CVE-2026-47332 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly validate the size of an intern…
    CVE-2026-47331 (CVSS 7.8) — Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list. An…
    CVE-2026-47330 (CVSS 3.3) — Ubuntu Linux 6.8, 7.17 and 7.0 contain AppArmor SAUCE patches which can, under certain circumstances, use an u…

    References

    http://php.net/ChangeLog-5.php
    http://php.net/ChangeLog-7.php
    https://access.redhat.com/errata/RHSA-2018:1296
    https://access.redhat.com/errata/RHSA-2019:2519
    https://bugs.php.net/bug.php?id=75571
    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://usn.ubuntu.com/3755-1/
    https://www.oracle.com/security-alerts/cpuapr2020.html
    http://php.net/ChangeLog-5.php
    http://php.net/ChangeLog-7.php
    https://access.redhat.com/errata/RHSA-2018:1296
    https://access.redhat.com/errata/RHSA-2019:2519
    https://bugs.php.net/bug.php?id=75571
    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://usn.ubuntu.com/3755-1/
    https://www.oracle.com/security-alerts/cpuapr2020.html

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High