CVE-2009-4013

Multiple directory traversal vulnerabilities in Lintian 1.23.x through 1.23.28, 1.24.x through 1...

9.8 CriticalFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

5.79%Up 3.8 points since Feb 4, 2022

What each source reports

NVD Score used 9.8

Record: CVE-2009-4013
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-22
Updated: 2026-11-02

CVE List No score

Record: CVE-2009-4013
Updated: 2026-11-02

EUVDEUVD-2009-3984 No score

Record: EUVD-2009-3984
Updated: 2026-11-03

GitHub AdvisoriesGHSA-8fqg-637q-r2qf 9.8

Multiple directory traversal vulnerabilities in Lintian 1.23.x through 1.23.28, 1.24.x through 1...

Record: GHSA-8fqg-637q-r2qf
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-22
Updated: 2026-11-02

OSV 9.8

Record: CVE-2009-4013
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2009-4013 9.8

Record: DEBIAN-CVE-2009-4013
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`lintian` Debian:12	before 2.3.2	2.3.2
`lintian` Debian:13	before 2.3.2	2.3.2
`lintian` Debian:14	before 2.3.2	2.3.2
`lintian` Debian:4.0 From an advisory covering 3 CVEs	before 1.23.28+etch1, plus listed versions 1.23.28	1.23.28+etch1
`lintian` Debian:5.0 From an advisory covering 3 CVEs	before 1.24.2.1+lenny1, plus listed versions 1.24.2.1	1.24.2.1+lenny1

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2009-4013 is a critical vulnerability (CVSS 9.8) in Debian Lintian, published January 27, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.79%, the 93rd percentile. Fixed in lintian 2.3.2.

References

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