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Vulnerabilities

Vulnerability · 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 zer

Published Apr 10, 2019 · catalog updated Oct 22, 2026 · The getgrouplist function in

Check if you run it

No confirmed exploitation is on record for CVE-2005-3590. EPSS is 2.09%. Act only if a listed version of The getgrouplist function in is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (The getgrouplist function in).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
2.09%
Remediation
Advisory link
Affected products
Debian:12 glibc · Debian:13 glibc · Debian:14 glibc

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • Debian:12 glibc0 → 2.3.5-3
  • Debian:13 glibc0 → 2.3.5-3
  • Debian:14 glibc0 → 2.3.5-3

How to fix CVE-2005-3590

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2005-3590. EPSS is 2.09%. Act only if a listed version of The getgrouplist function in is installed.

Which versions are affected?

Compare what you have installed with 0 → 2.3.5-3. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 2.09%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Debian security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 10, 2019 · OpenSSF OSV / OSV Scanner

    Detected

    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.

  2. Oct 22, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    glibc fixed in 2.3.5-3; glibc fixed in 2.3.5-3; glibc fixed in 2.3.5-3

  3. Oct 22, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    glibc fixed in 2.3.5-3

  4. Oct 22, 2026 · OpenSSF OSV / OSV Scanner

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2005-3590

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2005-3590

    30-day exploitation probability 2.09%

    first.org
  • OpenSSF OSV / OSV ScannerPackage advisoryDEBIAN-CVE-2005-3590
    osv.dev
  • Trivy Vulnerability DBPackage advisoryDEBIAN-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.

    osv.dev

References

Freshness

Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.