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    CVE-2018-5097

    A use-after-free vulnerability can occur during XSL transformations when the source document for the transformation is manipulated by script content during the transformation. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox < 58.

    Published:Jan 23, 2018
    Last Modified:Nov 25, 2025
    EPS:Jun 11, 2018
    EPSS Score:0.2502
    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
    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 Workstation

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    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/102783
    http://www.securitytracker.com/id/1040270
    https://access.redhat.com/errata/RHSA-2018:0122
    https://access.redhat.com/errata/RHSA-2018:0262
    https://bugzilla.mozilla.org/show_bug.cgi?id=1387427
    https://lists.debian.org/debian-lts-announce/2018/01/msg00030.html
    https://lists.debian.org/debian-lts-announce/2018/01/msg00036.html
    https://usn.ubuntu.com/3544-1/
    https://www.debian.org/security/2018/dsa-4096
    https://www.debian.org/security/2018/dsa-4102
    https://www.mozilla.org/security/advisories/mfsa2018-02/
    https://www.mozilla.org/security/advisories/mfsa2018-03/
    https://www.mozilla.org/security/advisories/mfsa2018-04/
    http://www.securityfocus.com/bid/102783
    http://www.securitytracker.com/id/1040270
    https://access.redhat.com/errata/RHSA-2018:0122
    https://access.redhat.com/errata/RHSA-2018:0262
    https://bugzilla.mozilla.org/show_bug.cgi?id=1387427
    https://lists.debian.org/debian-lts-announce/2018/01/msg00030.html
    https://lists.debian.org/debian-lts-announce/2018/01/msg00036.html
    https://usn.ubuntu.com/3544-1/
    https://www.debian.org/security/2018/dsa-4096
    https://www.debian.org/security/2018/dsa-4102
    https://www.mozilla.org/security/advisories/mfsa2018-02/
    https://www.mozilla.org/security/advisories/mfsa2018-03/
    https://www.mozilla.org/security/advisories/mfsa2018-04/

    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