All vulnerabilities

Servers and applications

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.

Severity
Medium 6.2
Published
18 Oct 2017
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
0.5% in the next 30 daysHigher than 40% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
Memory buffer errors (CWE-119)
Attack
Needs local access · No login needed · No user action needed
Attacker can
Take it down
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Sources
NVD

Affected software

SoftwareAffected versions
GNU C LibraryServers and applications · cpe:a:gnu:glibc
  • Every version up to 2.14.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2011-5320
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2011-5320