UBUNTU-CVE-2015-7547

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    UBUNTU-CVE-2015-7547

    Published: 16 Feb 2016Last Modified: 22 Apr 2026
    Upstream:
    CVE-2015-7547
    Aliases:
    USN-2900-1

    Summary:

    Details: Multiple stack-based buffer overflows in the (1) send_dg and (2) send_vc functions in the libresolv library in the GNU C Library (aka glibc or libc6) before 2.23 allow remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted DNS response that triggers a call to the getaddrinfo function with the AF_UNSPEC or AF_INET6 address family, related to performing "dual A/AAAA DNS queries" and the libnss_dns.so.2 NSS module.

    References: https://ubuntu.com/security/CVE-2015-7547, https://sourceware.org/ml/libc-alpha/2016-02/msg00416.html, https://googleonlinesecurity.blogspot.com/2016/02/cve-2015-7547-glibc-getaddrinfo-stack.html, https://ubuntu.com/security/notices/USN-2900-1, https://www.cve.org/CVERecord?id=CVE-2015-7547

    Affected packages

    Package

    Name: eglibc

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.19-0ubuntu6.7

    Affected versions

    2.17-93ubuntu4

    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