VIR Vulnerability Intelligence Relay

CVE-2009-4881

medium
Published 2010-06-01 · Modified 2026-04-29
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CVSS v3
—
CVSS v4 NEW
—
not yet in upstream
VIR risk
5.0

Description

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.

Predictions

Exploit likelihood
20%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact
debian Debian Fixed 5 releases
VersionStatusFixed in
trixie Fixed 2.11.1-1
sid Fixed 2.11.1-1
forky Fixed 2.11.1-1
bullseye Fixed 2.11.1-1
bookworm Fixed 2.11.1-1

Application impact
VendorProductVersionsFixed
gnuglibc{"endIncluding":"2.9"}
gnuglibc1.00
gnuglibc1.01
gnuglibc1.02
gnuglibc1.03
gnuglibc1.04
gnuglibc1.05
gnuglibc1.06
gnuglibc1.07
gnuglibc1.08
gnuglibc1.09
gnuglibc2.0
gnuglibc2.0.1
gnuglibc2.0.2
gnuglibc2.0.3
gnuglibc2.0.4
gnuglibc2.0.5
gnuglibc2.0.6
gnuglibc2.1
gnuglibc2.1.1
gnuglibc2.1.1.6
gnuglibc2.1.2
gnuglibc2.1.3
gnuglibc2.1.3.10
gnuglibc2.1.9
gnuglibc2.2
gnuglibc2.2.1
gnuglibc2.2.2
gnuglibc2.2.3
gnuglibc2.2.4
gnuglibc2.2.5
gnuglibc2.3
gnuglibc2.3.1
gnuglibc2.3.2
gnuglibc2.3.3
gnuglibc2.3.4
gnuglibc2.3.5
gnuglibc2.3.6
gnuglibc2.3.10
gnuglibc2.4
gnuglibc2.5
gnuglibc2.5.1
gnuglibc2.6
gnuglibc2.6.1
gnuglibc2.7
gnuglibc2.8

References

CWEs

CWE-189

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.