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Out-of-Bounds Affecting glibc package, versions <2.21-8

0.0
high

Snyk CVSS

    Attack Complexity High
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    Exploit Maturity Mature
    EPSS 97.41% (100th percentile)
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NVD
8.1 high
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Red Hat
6.3 medium

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  • Snyk ID SNYK-DEBIAN10-GLIBC-356495
  • published 18 Feb 2016
  • disclosed 18 Feb 2016
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Introduced: 18 Feb 2016

CVE-2015-7547 Open this link in a new tab
CWE-119 Open this link in a new tab

How to fix?

Upgrade Debian:10 glibc to version 2.21-8 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream glibc package and not the glibc package as distributed by Debian. See How to fix? for Debian:10 relevant fixed versions and status.

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