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Fencer Intel
medium 5.0

CVE-2009-4880 json

Multiple integer overflows in the strfmon implementation in the GNU C Library (aka glibc or libc6) 2.10.1 and earlier allow context-depende…

published 16y ago modified 4mo ago also EUVD-2009-4843

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
11.2%
EPSS 11.2% chance of exploitation in 30 days, percentile 95%
public exploits
1
Exploit-DB

Summary

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.

Patch / fix

  • glibc Debian 14, Debian 13, Debian 12 2.11.1-1

debian advisories DEBIAN-CVE-2009-4880

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2009-4880 updated

(32-bit): Multiple integer overflows in the printf implementation

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. First public exploit (EDB-33230)
  2. Published

Exploit prediction

11.22% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-33230 GNU glibc 2.x - 'strfmon()' Integer Overflow dos, 2009-09-17
  • securityfocus.com http://www.securityfocus.com/bid/36443 referenced PoC, tagged "exploit" by a source, unverified
  • sources.redhat.com http://sources.redhat.com/bugzilla/show_bug.cgi?id=10600 referenced PoC, tagged "exploit" by a source, unverified
  • securityreason.com http://securityreason.com/achievement_securityalert/67 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.