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    CVE-2018-5159

    An integer overflow can occur in the Skia library due to 32-bit integer use in an array without integer overflow checks, resulting in possible out-of-bounds writes. This could lead to a potentially exploitable crash triggerable by web content. This vulnerability affects Thunderbird < 52.8, Thunderbird ESR < 52.8, Firefox < 60, and Firefox ESR < 52.8.

    Published:May 9, 2018
    Last Modified:Nov 25, 2025
    EPS:Jun 11, 2018
    EPSS Score:0.38662
    CVSS Score:9.8

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Mozilla
    Product
    Firefox
    Vendor
    Mozilla
    Product
    Thunderbird
    Vendor
    Mozilla
    Product
    Thunderbird Esr
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Linux Desktop
    Vendor
    Redhat
    Product
    Enterprise Linux Server
    Vendor
    Redhat
    Product
    Enterprise Linux Server Aus
    Vendor
    Redhat
    Product
    Enterprise Linux Server Eus
    Vendor
    Redhat
    Product
    Enterprise Linux Server Tus
    Vendor
    Redhat
    Product
    Enterprise Linux Workstation

    Exploits

    https://www.exploit-db.com/exploits/44759/https://www.exploit-db.com/exploits/44759/https://www.exploit-db.com/exploits/44759

    Related CVEs

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    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…
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    References

    http://www.securityfocus.com/bid/104136
    http://www.securitytracker.com/id/1040896
    https://access.redhat.com/errata/RHSA-2018:1414
    https://access.redhat.com/errata/RHSA-2018:1415
    https://access.redhat.com/errata/RHSA-2018:1725
    https://access.redhat.com/errata/RHSA-2018:1726
    https://bugzilla.mozilla.org/show_bug.cgi?id=1441941
    https://lists.debian.org/debian-lts-announce/2018/05/msg00007.html
    https://lists.debian.org/debian-lts-announce/2018/05/msg00013.html
    https://security.gentoo.org/glsa/201810-01
    https://security.gentoo.org/glsa/201811-13
    https://usn.ubuntu.com/3645-1/
    https://usn.ubuntu.com/3660-1/
    https://www.debian.org/security/2018/dsa-4199
    https://www.debian.org/security/2018/dsa-4209
    https://www.exploit-db.com/exploits/44759/
    https://www.mozilla.org/security/advisories/mfsa2018-11/
    https://www.mozilla.org/security/advisories/mfsa2018-12/
    https://www.mozilla.org/security/advisories/mfsa2018-13/
    http://www.securityfocus.com/bid/104136
    http://www.securitytracker.com/id/1040896
    https://access.redhat.com/errata/RHSA-2018:1414
    https://access.redhat.com/errata/RHSA-2018:1415
    https://access.redhat.com/errata/RHSA-2018:1725
    https://access.redhat.com/errata/RHSA-2018:1726
    https://bugzilla.mozilla.org/show_bug.cgi?id=1441941
    https://lists.debian.org/debian-lts-announce/2018/05/msg00007.html
    https://lists.debian.org/debian-lts-announce/2018/05/msg00013.html
    https://security.gentoo.org/glsa/201810-01
    https://security.gentoo.org/glsa/201811-13
    https://usn.ubuntu.com/3645-1/
    https://usn.ubuntu.com/3660-1/
    https://www.debian.org/security/2018/dsa-4199
    https://www.debian.org/security/2018/dsa-4209
    https://www.exploit-db.com/exploits/44759/
    https://www.mozilla.org/security/advisories/mfsa2018-11/
    https://www.mozilla.org/security/advisories/mfsa2018-12/
    https://www.mozilla.org/security/advisories/mfsa2018-13/

    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