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    CVE-2016-4429

    Stack-based buffer overflow in the clntudp_call function in sunrpc/clnt_udp.c in the GNU C Library (aka glibc or libc6) allows remote servers to cause a denial of service (crash) or possibly unspecified other impact via a flood of crafted ICMP and UDP packets.

    Published:May 18, 2016
    Last Modified:Apr 12, 2025
    EPS:Jun 10, 2016
    EPSS Score:0.01355
    CVSS Score:5.9

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Gnu
    Product
    Glibc
    Vendor
    Opensuse
    Product
    Leap
    Vendor
    Opensuse
    Product
    Opensuse

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    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…
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    References

    http://lists.opensuse.org/opensuse-updates/2016-06/msg00030.html
    http://lists.opensuse.org/opensuse-updates/2016-07/msg00039.html
    http://www-01.ibm.com/support/docview.wss?uid=swg21995039
    http://www.securityfocus.com/bid/102073
    https://lists.debian.org/debian-lts-announce/2020/06/msg00027.html
    https://source.android.com/security/bulletin/2017-12-01
    https://sourceware.org/bugzilla/show_bug.cgi?id=20112
    https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=bc779a1a5b3035133024b21e2f339fe4219fb11c
    https://usn.ubuntu.com/3759-1/
    https://usn.ubuntu.com/3759-2/
    https://www.oracle.com//security-alerts/cpujul2021.html
    http://lists.opensuse.org/opensuse-updates/2016-06/msg00030.html
    http://lists.opensuse.org/opensuse-updates/2016-07/msg00039.html
    http://www-01.ibm.com/support/docview.wss?uid=swg21995039
    http://www.securityfocus.com/bid/102073
    https://lists.debian.org/debian-lts-announce/2020/06/msg00027.html
    https://source.android.com/security/bulletin/2017-12-01
    https://sourceware.org/bugzilla/show_bug.cgi?id=20112
    https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=bc779a1a5b3035133024b21e2f339fe4219fb11c
    https://usn.ubuntu.com/3759-1/
    https://usn.ubuntu.com/3759-2/
    https://www.oracle.com//security-alerts/cpujul2021.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