Buffer overflow in GNU Glibc
CVE-2016-3075
Stack-based buffer overflow in the nss_dns implementation of the getnetbyname function in GNU C Library (aka glibc) before 2.24 allows context-dependent attackers to cause a denial of service (stack consumption and application crash) via a long name.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.073 (94.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.076 · newest: 0.073 · change: -0.003
Affected products
- GNU Glibc
- Canonical Ubuntu Linux — versions 12.04, 14.04, 15.10
- Fedoraproject Fedora — versions 23
- openSUSE — versions 13.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.fedoraproject.org/pipermail/package-announce/2016-May/184626.html (vendor-advisory)
- lists.opensuse.org/opensuse-updates/2016-07/msg00039.html (vendor-advisory)
- www.securityfocus.com/bid/85732 (vdb-entry)
- sourceware.org/git/gitweb.cgi
- security.gentoo.org/glsa/201702-11 (vendor-advisory)
- rhn.redhat.com/errata/RHSA-2016-2573.html (vendor-advisory)
- lists.opensuse.org/opensuse-updates/2016-06/msg00030.html (vendor-advisory)
- www.ubuntu.com/usn/USN-2985-1 (vendor-advisory)
- sourceware.org/bugzilla/show_bug.cgi
Frequently asked questions
- What is CVE-2016-3075?
- CVE-2016-3075 is a high-severity vulnerability in GNU Glibc, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2016-06-01.
- How severe is CVE-2016-3075?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2016-3075 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.