Is CVE-2009-4880 in the CISA KEV catalog?

No. CVE-2009-4880 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2009-4880?

CVE-2009-4880 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2009-4880?

CVE-2009-4880 has an EPSS score of 11.22% (95th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2009-4880

MEDIUMEPSS 95th pctl

5.0

CVSS v2

NVD

Description

Multiple integer overflows in the strfmon implementation in the GNU C Library (aka glibc or libc6) 2.10.1 and earlier allow context-dependent attackers to cause a denial of service (memory consumption or application crash) via a crafted format string, as demonstrated by a crafted first argument to the money_format function in PHP, a related issue to CVE-2008-1391.

CWE-189

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

11.22%probability of exploitation in 30 days

95thpercentile

Very high risk: more likely to be exploited than 95% of all known CVEs.

References

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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 2026-04-29.