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CVE-2015-8984

17
FAUCET Score

CVE-2015-8984 describes an out-of-bounds read vulnerability in the fnmatch function of the GNU C Library (glibc) prior to version 2.22. This flaw allows attackers to trigger an application crash, leading to a denial of service, by providing a specially crafted pattern. Rated as Medium severity (CVSS 5.9), an attack requires high complexity but does not necessitate user interaction or privileges. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.21CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.9MEDIUM

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.43%
Probability of exploitation in next 30 days
EPSS Percentile
82.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0243 is in the 72nd percentile among its peer group of 19,958 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (3)

redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: glibc
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: glibc
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: glibc

Vendor Advisories (1)

redhatCVE-2015-8984Low

glibc: potential denial of service in internal_fnmatch()

Feb 26, 2015

References

sourceware.org / bugzilla/show_bug.cgi
Issue TrackingPatch
sourceware.org / git/gitweb.cgi
sourceware.org / ml/libc-alpha/2015-08/msg00609.html
Vendor Advisory
openwall.com / lists/oss-security/2015/02/26/5
Mailing ListPatchThird Party Advisory
openwall.com / lists/oss-security/2017/02/14/9
Mailing ListPatchThird Party Advisory
securityfocus.com / bid/72789
Third Party AdvisoryVDB Entry