What’s Vulnerable › Vulnerabilities

CVE-2005-3590

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-04-10 · updated 2026-06-16
• Weakness: CWE-119

Description

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.

Affected products

• GNU C Library (glibc): before 2.3.5 — fixed in 2.3.5

How to fix

Upgrade to a fixed version: GNU C Library (glibc) 2.3.5. Check the vendor advisory for mitigations.

References

• http://www.securityfocus.com/bid/107871
• https://sourceware.org/bugzilla/show_bug.cgi?id=661
• https://support.f5.com/csp/article/K12740406
• http://www.securityfocus.com/bid/107871
• https://sourceware.org/bugzilla/show_bug.cgi?id=661
• https://support.f5.com/csp/article/K12740406

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