5

CVE-2009-4881: gnu glibc Numeric Errors

Modified
AliasesDEBIAN-CVE-2009-4881
Published 01-06-2010Last modified 07-08-2024

Vulnerability summary

CVE-2009-4881 is a medium (CVSS 5.0) Numeric Errors vulnerability in gnu glibc. EPSS estimates a 2.02% chance of exploitation in the next 30 days, higher than 81% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.0/10
010
Medium · v2.0 (NVD)
EPSS score
2.02%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1
DSA-2058-1

Timeline

  1. 01-06-2010
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

2.02%

Chance of exploitation in the next 30 days

Percentile

81%

Versus all other CVEs

30-day change

No change 0.00 pp

From 2.02% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.

Debian1 product
  • glibc< 2.11.1-1
Gnu1 product
  • glibc≤ 2.9 | 1.00 | 1.01 | 1.02 | 1.03 | 1.04 | 1.05 | 1.06 | 1.07 | 1.08 | 1.09 | 2.0 | 2.0.1 | 2.0.2 | 2.0.3 | 2.0.4 | 2.0.5 | 2.0.6 | 2.1 | 2.11 | 2.1.1.6 | 2.12 | 2.13 | 2.1.3.10 | 2.19 | 2.2 | 2.21 | 2.22 | 2.23 | 2.2.4 | 2.25 | 2.3 | 2.3.1 | 2.32 | 2.33 | 2.34 | 2.3.5 | 2.36 | 2.3.10 | 2.4 | 2.5 | 2.5.1 | 2.6 | 2.6.1 | 2.7 | 2.8

2 vendors · 2 products

References

7 links