Is CVE-2003-0689 in the CISA KEV catalog?

No. CVE-2003-0689 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2003-0689?

CVE-2003-0689 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2003-0689?

CVE-2003-0689 has an EPSS score of 2.12% (80th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2003-0689?

Upgrade glibc on debian 11 to 2.2.5 or later.

CVE & CISA-KEV Catalog

CVE-2003-0689

HIGHEPSS 80th pctl

7.5

CVSS v2

NVD

Description

The getgrouplist function in GNU libc (glibc) 2.2.4 and earlier allows attackers to cause a denial of service (segmentation fault) and execute arbitrary code when a user is a member of a large number of groups, which can cause a buffer overflow.

How to fix

Remediation Available

glibcDebian

Fixed in:2.2.5CVE-2003-0689

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.12%probability of exploitation in 30 days

80thpercentile

Elevated risk: more likely to be exploited than 80% of all known CVEs.

References

Patch1

redhat.com

Other references1

redhat.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.