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CVE-2009-5029

MediumPublished

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...

Published: May 2, 2013
Updated: Aug 7, 2024
Assigning CNA: redhat
Evidence observed: Jun 1, 2009

Primary CVSS

6.8/ 10Medium

nvd · CVSS 2.0

AV:N/AC:M/Au:N/C:P/I:P/A:P

EPSS probability estimate

8.1%

Low · next 30 days

Percentile: 94.6%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

GNU glibc - Timezone Parsing Remote Integer OverflowExploit
dividead · linux · Jun 1, 2009

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