All vulnerabilities

Servers and applications

CVE-2017-15804

The glob function in glob.c in the GNU C Library (aka glibc or libc6) before 2.27 contains a buffer overflow during unescaping of user names with the ~ operator.

Severity
Critical 9.8
Published
22 Oct 2017
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
2.8% in the next 30 daysHigher than 86% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
Memory buffer errors (CWE-119)
Attack
Over the network · No login needed · No user action needed
Attacker can
Read data · Change data · Take it down
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Sources
NVD

Affected software

SoftwareAffected versions
GNU C LibraryServers and applications · cpe:a:gnu:glibc
  • Every version up to 2.26

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2017-15804
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2017-15804