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CVE-2009-4881

MEDIUM · CVSS 5.0EPSS 2.0%EU EUVD

Integer overflow in the __vstrfmon_l function in stdlib/strfmon_l.c in the strfmon implementation in the GNU C Library (aka glibc or libc6) before 2.10.1 allows context-dependent attackers to cause a denial of service (application crash) via a crafted format string, as demonstrated by the %99999999999999999999n string, a related issue to CVE-2008-1391.

Key facts

CVSS score
5.0 (v2.0)
Severity
MEDIUM
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness (CWE)
CWE-189
EPSS score
2.0% (81th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2009-4844)
Published
June 1, 2010
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-4844 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • gnu / glibc
  • gnu / glibc
  • gnu / glibc
  • gnu / glibc
  • gnu / glibc
  • gnu / glibc
  • gnu / glibc
  • gnu / glibc
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  • gnu / glibc
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  • gnu / glibc
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  • gnu / glibc
  • gnu / glibc
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  • gnu / glibc
  • gnu / glibc
  • gnu / glibc
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  • gnu / glibc
  • gnu / glibc
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  • gnu / glibc
  • gnu / glibc
  • gnu / glibc
  • gnu / glibc
  • gnu / glibc

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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