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    CVE-2013-0338

    libxml2 2.9.0 and earlier allows context-dependent attackers to cause a denial of service (CPU and memory consumption) via an XML file containing an entity declaration with long replacement text and many references to this entity, aka "internal entity expansion" with linear complexity.

    Published:Feb 19, 2013
    Last Modified:Apr 11, 2025
    EPS:Apr 25, 2013
    EPSS Score:0.00254
    CVSS Score:4.3

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Opensuse
    Product
    Opensuse
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Xmlsoft
    Product
    Libxml2

    Exploits

    No exploit reference

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    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…
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    References

    http://lists.opensuse.org/opensuse-security-announce/2013-11/msg00002.html
    http://lists.opensuse.org/opensuse-updates/2013-03/msg00112.html
    http://lists.opensuse.org/opensuse-updates/2013-03/msg00114.html
    http://marc.info/?l=bugtraq&m=142798889927587&w=2
    http://secunia.com/advisories/52662
    http://secunia.com/advisories/55568
    http://www.debian.org/security/2013/dsa-2652
    http://www.mandriva.com/security/advisories?name=MDVSA-2013:056
    http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html
    http://www.ubuntu.com/usn/USN-1782-1
    https://bugzilla.redhat.com/show_bug.cgi?id=912400
    https://git.gnome.org/browse/libxml2/commit/?id=23f05e0c33987d6605387b300c4be5da2120a7ab
    http://lists.opensuse.org/opensuse-security-announce/2013-11/msg00002.html
    http://lists.opensuse.org/opensuse-updates/2013-03/msg00112.html
    http://lists.opensuse.org/opensuse-updates/2013-03/msg00114.html
    http://marc.info/?l=bugtraq&m=142798889927587&w=2
    http://secunia.com/advisories/52662
    http://secunia.com/advisories/55568
    http://www.debian.org/security/2013/dsa-2652
    http://www.mandriva.com/security/advisories?name=MDVSA-2013:056
    http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html
    http://www.ubuntu.com/usn/USN-1782-1
    https://bugzilla.redhat.com/show_bug.cgi?id=912400
    https://git.gnome.org/browse/libxml2/commit/?id=23f05e0c33987d6605387b300c4be5da2120a7ab

    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