CVE-2015-8984

Severity: medium (CVSS 5.9 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-03-20 · updated 2026-06-17
Weakness: CWE-125

Description

The fnmatch function in the GNU C Library (aka glibc or libc6) before 2.22 might allow context-dependent attackers to cause a denial of service (application crash) via a malformed pattern, which triggers an out-of-bounds read.

Affected products

GNU C Library (glibc): through 2.21

References

http://www.openwall.com/lists/oss-security/2015/02/26/5
http://www.openwall.com/lists/oss-security/2017/02/14/9
http://www.securityfocus.com/bid/72789
https://sourceware.org/bugzilla/show_bug.cgi?id=18032
https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=4a28f4d55a6cc33474c0792fe93b5942d81bf185
https://www.sourceware.org/ml/libc-alpha/2015-08/msg00609.html
http://www.openwall.com/lists/oss-security/2015/02/26/5
http://www.openwall.com/lists/oss-security/2017/02/14/9
http://www.securityfocus.com/bid/72789
https://sourceware.org/bugzilla/show_bug.cgi?id=18032
https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=4a28f4d55a6cc33474c0792fe93b5942d81bf185
https://www.sourceware.org/ml/libc-alpha/2015-08/msg00609.html

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