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    CVE-2017-8804

    The xdr_bytes and xdr_string functions in the GNU C Library (aka glibc or libc6) 2.25 mishandle failures of buffer deserialization, which allows remote attackers to cause a denial of service (virtual memory allocation, or memory consumption if an overcommit setting is not used) via a crafted UDP packet to port 111, a related issue to CVE-2017-8779. NOTE: [Information provided from upstream and references

    Published:May 7, 2017
    Last Modified:Apr 20, 2025
    EPS:May 7, 2017
    EPSS Score:0.03759
    CVSS Score:7.5

    Affected Products

    Vendor
    Gnu
    Product
    Glibc

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-19499 (CVSS 6.8) — A flaw was found in glibc. The strfmon and strfmon_l functions are vulnerable to a buffer overflow when proces…
    CVE-2026-19542 (CVSS 4.2) — A flaw was found in glibc. An out-of-bounds array write vulnerability exists within the `tdelete` function. Th…
    CVE-2026-6368 (CVSS 2.1) — Calling wordexp with WRDE_APPEND in the GNU C Library version 2.0 to version 2.43 can cause the interface to r…
    CVE-2026-6238 (CVSS 6.5) — The deprecated functions ns_printrrf, ns_printrr and fp_nquery in the GNU C Library version 2.0.1 to version 2…
    CVE-2026-5435 (CVSS 7.3) — The deprecated functions ns_printrrf, ns_printrr and fp_nquery in the GNU C Library version 2.2 and newer fail…
    CVE-2026-5450 (CVSS 9.8) — Calling the scanf family of functions with a %mc (malloc'd character match) in the GNU C Library version 2.7 t…
    CVE-2026-5928 (CVSS 7.5) — Calling the ungetwc function on a FILE stream with wide characters encoded in a character set that has overlap…
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    References

    http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00026.html
    http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00039.html
    http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00049.html
    http://www.openwall.com/lists/oss-security/2017/05/05/2
    http://www.securityfocus.com/bid/98339
    https://bugzilla.suse.com/show_bug.cgi?id=1037559#c7
    https://seclists.org/oss-sec/2017/q2/228
    https://sourceware.org/bugzilla/show_bug.cgi?id=21461
    https://sourceware.org/legacy-ml/libc-alpha/2017-05/msg00128.html
    https://sourceware.org/legacy-ml/libc-alpha/2017-05/msg00129.html
    https://sourceware.org/ml/libc-alpha/2017-05/msg00105.html
    http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00026.html
    http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00039.html
    http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00049.html
    http://www.openwall.com/lists/oss-security/2017/05/05/2
    http://www.securityfocus.com/bid/98339
    https://bugzilla.suse.com/show_bug.cgi?id=1037559#c7
    https://seclists.org/oss-sec/2017/q2/228
    https://sourceware.org/bugzilla/show_bug.cgi?id=21461
    https://sourceware.org/legacy-ml/libc-alpha/2017-05/msg00128.html
    https://sourceware.org/legacy-ml/libc-alpha/2017-05/msg00129.html
    https://sourceware.org/ml/libc-alpha/2017-05/msg00105.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