6.8

CVE-2009-5029: gnu glibc Numeric Errors

Modified
AliasesDEBIAN-CVE-2009-5029
Published 02-05-2013Last modified 07-08-2024

Vulnerability summary

CVE-2009-5029 is a medium (CVSS 6.8) Numeric Errors vulnerability in gnu glibc. EPSS estimates a 8.76% chance of exploitation in the next 30 days, higher than 95.1% of scored vulnerabilities. 3 public exploits are recorded.

Priority
Routine

Not severe (CVSS 6.8, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.8/10
010
Medium · v2.0 (NVD)
EPSS score
8.76%
0%100%
Low · +0.69 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits3reference, exploit-database

Advisory lineage

Upstream 0 · Downstream 4 · Related 1

Timeline

  1. 02-05-2013
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

Integer overflow in the __tzfile_read function in glibc before 2.15 allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted timezone (TZ) file, as demonstrated using vsftpd.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

8.76%

Chance of exploitation in the next 30 days

Percentile

95%

Versus all other CVEs

30-day change

Increase +0.69 pp

From 8.07% 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

3 found
  • referenceUnverified

    Exploit Reference (sourceware.org)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (dividead.wordpress.com)

    Maturity: unknown

  • exploit-databasedoslinuxVerified

    GNU glibc - Timezone Parsing Remote Integer Overflow

    Maturity: poc

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< 2.13-24
Gnu1 product
  • glibc≤ 2.14 | 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 | 2.19

2 vendors · 2 products

References

6 links