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Servers and applications

CVE-2014-9761

Multiple stack-based buffer overflows in the GNU C Library (aka glibc or libc6) before 2.23 allow context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a long argument to the (1) nan, (2) nanf, or (3) nanl function.

Severity
Critical 9.8
Published
19 Apr 2016
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
5.5% in the next 30 daysHigher than 92% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
Memory buffer errors (CWE-119)
Attack
Over the network · No login needed · No user action needed
Attacker can
Read data · Change data · Take it down
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Sources
NVD

Affected software

SoftwareAffected versions
GNU C LibraryServers and applications · cpe:a:gnu:glibc
  • Every version up to 2.22

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2014-9761
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2014-9761