CVE-2009-4013

Name: CVE-2009-4013
Creator: NVD / NIST
Published: 2010-02-02T16:30:02.233+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 5.68%

Last modified Jun 16, 2026

CVE-2009-4013 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Multiple directory traversal vulnerabilities in Lintian 1.23.x through 1.23.28, 1.24.x through 1.24.2.1, and 2.x before 2.3.2 allow remote attackers to overwrite arbitrary files or obtain sensitive information via vectors involving (1) control field names, (2) control field values, and (3) control files of patch systems.. EPSS estimates a 5.68% chance of exploitation in the next 30 days.

Description

Multiple directory traversal vulnerabilities in Lintian 1.23.x through 1.23.28, 1.24.x through 1.24.2.1, and 2.x before 2.3.2 allow remote attackers to overwrite arbitrary files or obtain sensitive information via vectors involving (1) control field names, (2) control field values, and (3) control files of patch systems.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

5.68%

92.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Debian	Lintian	>= 1.23.0, <= 1.23.28
Debian	Lintian	>= 1.24.0, <= 1.24.2.1
Debian	Lintian	>= 2.0.0, < 2.3.2
Debian	Debian Linux	4.0
Debian	Debian Linux	5.0
Canonical	Ubuntu Linux	6.06
Canonical	Ubuntu Linux	8.04
Canonical	Ubuntu Linux	8.10
Canonical	Ubuntu Linux	9.04
Canonical	Ubuntu Linux	9.10

References

http://git.debian.org/?p=lintian/lintian.git%3Ba=commit%3Bh=c8d01f062b3e5137cf65196760b079a855c75e00Broken Link
http://git.debian.org/?p=lintian/lintian.git%3Ba=commit%3Bh=fbe0c92b2ef7e360d13414bf40d6af5507d0c86dBroken Link
http://packages.debian.org/changelogs/pool/main/l/lintian/lintian_2.3.2/changelogBroken Link
http://packages.qa.debian.org/l/lintian/news/20100128T015554Z.htmlMailing List, Patch
http://secunia.com/advisories/38375Broken Link, Vendor Advisory
http://secunia.com/advisories/38379Broken Link, Vendor Advisory
http://www.debian.org/security/2010/dsa-1979Third Party Advisory
http://www.securityfocus.com/bid/37975Broken Link, Patch, Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-891-1Third Party Advisory
http://git.debian.org/?p=lintian/lintian.git%3Ba=commit%3Bh=c8d01f062b3e5137cf65196760b079a855c75e00Broken Link
http://git.debian.org/?p=lintian/lintian.git%3Ba=commit%3Bh=fbe0c92b2ef7e360d13414bf40d6af5507d0c86dBroken Link
http://packages.debian.org/changelogs/pool/main/l/lintian/lintian_2.3.2/changelogBroken Link
http://packages.qa.debian.org/l/lintian/news/20100128T015554Z.htmlMailing List, Patch
http://secunia.com/advisories/38375Broken Link, Vendor Advisory
http://secunia.com/advisories/38379Broken Link, Vendor Advisory
http://www.debian.org/security/2010/dsa-1979Third Party Advisory
http://www.securityfocus.com/bid/37975Broken Link, Patch, Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-891-1Third Party Advisory

Timeline

Published: Feb 2, 2010
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2009-4013?

How severe is CVE-2009-4013?

CVE-2009-4013 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 5.68% probability of exploitation in the next 30 days.

How do I fix CVE-2009-4013?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2009-4013?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST