Out-of-bounds read in Glibc - CVE-2015-8984
Published: March 22, 2017 / Updated: June 3, 2025
Vulnerability identifier: #VU110097
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2015-8984
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GNU
Affected software:
Glibc
Glibc
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
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.
How to mitigate CVE-2015-8984
Install update from vendor's website.
Sources
- 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;h=4a28f4d55a6cc33474c0792fe93b5942d81bf185
- https://www.sourceware.org/ml/libc-alpha/2015-08/msg00609.html