UpHeron
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Servers and applications

CVE-2005-3590

The getgrouplist function in the GNU C library (glibc) before version 2.3.5, when invoked with a zero argument, writes to the passed pointer even if the specified array size is zero, leading to a buffer overflow and potentially allowing attackers to corrupt memory.

Severity
Critical 9.8
Published
10 Apr 2019
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
2.3.5
Exploit chance
2.1% in the next 30 daysHigher than 81% of CVEs. EPSS by FIRST, 10 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 before 2.3.5

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2005-3590
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2005-3590