Buffer overflow in Gnu Glibc
CVE-2015-8778
Integer overflow 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 execute arbitrary code via the size argument to the __hcreate_r function…
Vulnerability class: Buffer Overflow
EPSS: 0.045 (89.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Gnu Glibc
- Canonical Ubuntu_linux — versions 12.04, 14.04, 15.10
- Debian Debian_linux — versions 8.0
- Fedoraproject Fedora — versions 23
- Opensuse — versions 13.2
- Suse Linux_enterprise_debuginfo — versions 11
- Suse Linux_enterprise_desktop — versions 11, 12
- Suse Linux_enterprise_server — versions 11, 12
- Suse Linux_enterprise_software_development_kit — versions 11, 12
- Suse Suse_linux_enterprise_server — versions 12
Weakness classification (CWE)
References
- SUSE-SU-2016:0471 (vendor-advisory, Third Party Advisory, x_refsource_SUSE)
- FEDORA-2016-68abc0be35 (x_refsource_FEDORA, vendor-advisory, Third Party Advisory)
- RHSA-2017:1916 (x_refsource_REDHAT, vendor-advisory)
- DSA-3481 (vendor-advisory, x_refsource_DEBIAN)
- openSUSE-SU-2016:0510 (vendor-advisory, Third Party Advisory, x_refsource_SUSE)
- secalert@redhat.com (x_refsource_CONFIRM, Issue Tracking)
- SUSE-SU-2016:0470 (vendor-advisory, Third Party Advisory, x_refsource_SUSE)
- RHSA-2017:0680 (x_refsource_REDHAT, vendor-advisory)
- USN-2985-2 (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- [oss-security] 20160119 Re: CVE assignment request for security bugs fixed in glibc 2.23 (mailing-list, x_refsource_MLIST, Third Party Advisory)
Frequently asked questions
- What is CVE-2015-8778?
- CVE-2015-8778 is a critical-severity vulnerability in Gnu Glibc, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2016-04-19.
- How severe is CVE-2015-8778?
- Critical severity. CVSS v3 base score is 9.8 out of 10.