Buffer overflow in GNU Glibc
CVE-2011-5320
scanf and related functions in glibc before 2.15 allow local users to cause a denial of service (segmentation fault) via a large string of 0s.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (37.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
Weakness classification (CWE)
References
- sourceware.org/git/
- sourceware.org/bugzilla/show_bug.cgi (Issue Tracking)
- marc.info/ (Exploit)
- www.openwall.com/lists/oss-security/2015/03/12/14 (mailing-list, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory)
- sourceware.org/git/
Frequently asked questions
- What is CVE-2011-5320?
- CVE-2011-5320 is a medium-severity vulnerability in GNU Glibc, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.2/10. Published 2017-10-18.
- How severe is CVE-2011-5320?
- Medium severity. CVSS v3 base score is 6.2 out of 10.