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    CVE-2015-5180

    res_query in libresolv in glibc before 2.25 allows remote attackers to cause a denial of service (NULL pointer dereference and process crash).

    Published:Aug 7, 2015
    Last Modified:Apr 20, 2025
    EPS:Jun 27, 2017
    EPSS Score:0.00483
    CVSS Score:7.5

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Gnu
    Product
    Glibc
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-476 NULL Pointer Dereference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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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…
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    References

    http://www.securityfocus.com/bid/99324
    http://www.ubuntu.com/usn/USN-3239-1
    http://www.ubuntu.com/usn/USN-3239-2
    https://access.redhat.com/errata/RHSA-2018:0805
    https://bugzilla.redhat.com/show_bug.cgi?id=1249603
    https://security.gentoo.org/glsa/201706-19
    https://sourceware.org/bugzilla/attachment.cgi?id=8492
    https://sourceware.org/bugzilla/show_bug.cgi?id=18784
    https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=fc82b0a2dfe7dbd35671c10510a8da1043d746a5
    https://sourceware.org/ml/libc-alpha/2017-02/msg00079.html
    https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
    http://www.securityfocus.com/bid/99324
    http://www.ubuntu.com/usn/USN-3239-1
    http://www.ubuntu.com/usn/USN-3239-2
    https://access.redhat.com/errata/RHSA-2018:0805
    https://bugzilla.redhat.com/show_bug.cgi?id=1249603
    https://security.gentoo.org/glsa/201706-19
    https://sourceware.org/bugzilla/attachment.cgi?id=8492
    https://sourceware.org/bugzilla/show_bug.cgi?id=18784
    https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=fc82b0a2dfe7dbd35671c10510a8da1043d746a5
    https://sourceware.org/ml/libc-alpha/2017-02/msg00079.html
    https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.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