CVE-2014-9761

critical
Published 2016-04-19 · Modified 2026-05-06
CVSS v3
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2
7.5
VIR risk
9.8

Description

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.

Predictions

Exploit likelihood
97%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2014-9761

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — https://www.sourceware.org/ml/libc-alpha/2016-02/msg00502.html

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed2.23-1
debian debianbullseyefixed2.23-1
debian debianforkyfixed2.23-1
debian debiansidfixed2.23-1
debian debiantrixiefixed2.23-1
fedora fedora23affected
ubuntu ubuntu12.04affected
ubuntu ubuntu14.04affected
ubuntu ubuntu15.10affected
suse suse13.2affected
suse suse11.0affected
suse suse12affected

Application impact

VendorProductVersionsFixed
suselinux_enterprise_debuginfo11.0
gnuglibc{"endIncluding":"2.22"}

References

CWEs

CWE-119

Verify integrity in audit chain (admin only). AS-IS.