Buffer overflow in GNU Glibc
CVE-2014-9761
Multiple stack-based buffer overflows in the GNU C Library (aka glibc or libc6) before 2.23 allow context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a long argument to the (1) nan, (2) nanf, or (3) nanl function.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.055 (92.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.055 · newest: 0.055 · change: 0.000
Affected products
- GNU Glibc
- Canonical Ubuntu Linux — versions 12.04, 14.04, 15.10
- Fedoraproject Fedora — versions 23
- openSUSE — versions 13.2
- SUSE Linux Enterprise Debuginfo — versions 11.0
- SUSE Linux Enterprise Desktop — versions 11.0, 12
- SUSE Linux Enterprise Server — versions 11.0, 12
- SUSE Linux Enterprise Software Development Kit — versions 11.0, 12
- SUSE Linux Enterprise Server — versions 12
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.opensuse.org/opensuse-security-announce/2016-02/msg00037.html (vendor-advisory)
- lists.fedoraproject.org/pipermail/package-announce/2016-May/184626.html (vendor-advisory)
- access.redhat.com/errata/RHSA-2017:1916 (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2016-02/msg00042.html (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html (vendor-advisory)
- rhn.redhat.com/errata/RHSA-2017-0680.html (vendor-advisory)
- www.ubuntu.com/usn/USN-2985-2 (vendor-advisory)
- www.openwall.com/lists/oss-security/2016/01/20/1 (mailing-list)
- security.gentoo.org/glsa/201702-11 (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2016-02/msg00038.html (vendor-advisory)
Frequently asked questions
- What is CVE-2014-9761?
- CVE-2014-9761 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-2014-9761?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2014-9761 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.