Input validation error in Glibc - CVE-2015-8776
Published: October 30, 2018 / Updated: June 3, 2025
Vulnerability identifier: #VU110102
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2015-8776
CWE-ID: CWE-20
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 read data or crash the application.
The strftime function in the GNU C Library (aka glibc or libc6) before 2.23 allows context-dependent attackers to cause a denial of service (application crash) or possibly obtain sensitive information via an out-of-range time value.
How to mitigate CVE-2015-8776
Install update from vendor's website.
Sources
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184626.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00037.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00038.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00039.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00042.html
- http://rhn.redhat.com/errata/RHSA-2017-0680.html
- http://www.debian.org/security/2016/dsa-3480
- http://www.debian.org/security/2016/dsa-3481
- http://www.openwall.com/lists/oss-security/2016/01/19/11
- http://www.openwall.com/lists/oss-security/2016/01/20/1
- http://www.securityfocus.com/bid/83277
- http://www.ubuntu.com/usn/USN-2985-1
- http://www.ubuntu.com/usn/USN-2985-2
- https://access.redhat.com/errata/RHSA-2017:1916
- https://security.gentoo.org/glsa/201602-02
- https://security.gentoo.org/glsa/201702-11
- https://sourceware.org/bugzilla/show_bug.cgi?id=18985
- https://www.sourceware.org/ml/libc-alpha/2016-02/msg00502.html