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Vulnerability record · CVE-2009-1300 · published 16 April 2009

CVE-2009-1300: Debian advanced package tool improper input validation vulnerability

Debian · Advanced Package Tool

apt 0.7.20 does not check when the date command returns an "invalid date" error, which can prevent apt from loading security updates in time zones for which DST occurs at midnight.

10.0 CVSS 2.0 High EPSS 1.9% · top 21.6% CWE-20 · Improper input validation
10.0CVSS 2.0 base score
1.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
16References
16 Jun 2026Last modified by NVD

Description

apt 0.7.20 does not check when the date command returns an "invalid date" error, which can prevent apt from loading security updates in time zones for which DST occurs at midnight.

AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=523213
http://secunia.com/advisories/34829
http://secunia.com/advisories/34832
http://secunia.com/advisories/34874
http://www.debian.org/security/2009/dsa-1779
http://www.openwall.com/lists/oss-security/2009/04/08/11
https://bugs.launchpad.net/ubuntu/+source/coreutils/+bug/354793
https://usn.ubuntu.com/762-1/
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=523213
http://secunia.com/advisories/34829
http://secunia.com/advisories/34832
http://secunia.com/advisories/34874
http://www.debian.org/security/2009/dsa-1779
http://www.openwall.com/lists/oss-security/2009/04/08/11
https://bugs.launchpad.net/ubuntu/+source/coreutils/+bug/354793
https://usn.ubuntu.com/762-1/

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2009-1358Debian advanced package tool vulnerabilityapt-get in apt before 0.7.21 does not check for the correct error code from gpgv, which causes apt to treat a repository as valid even when it has be…EPSS 4.5%8.1CVE-2019-3462Debian advanced package tool vulnerabilityIncorrect sanitation of the 302 redirect field in HTTP transport method of apt versions 1.4.8 and earlier can lead to content injection by a MITM att…EPSS 15%7.5CVE-2014-0487Debian advanced package tool vulnerabilityAPT before 1.0.9 does not verify downloaded files if they have been modified as indicated using the If-Modified-Since header, which has unspecified i…EPSS 1.9%7.5CVE-2014-0489Debian advanced package tool improper input validation vulnerabilityAPT before 1.0.9, when the Acquire::GzipIndexes option is enabled, does not validate checksums, which allows remote attackers to execute arbitrary co…EPSS 3.6%7.5CVE-2014-0490Debian advanced package tool improper input validation vulnerabilityThe apt-get download command in APT before 1.0.9 does not properly validate signatures for packages, which allows remote attackers to execute arbitra…EPSS 3.6%6.8CVE-2014-0488Debian advanced package tool improper input validation vulnerabilityAPT before 1.0.9 does not "invalidate repository data" when moving from an unauthenticated to authenticated state, which allows remote attackers to h…EPSS 2.1%6.8CVE-2014-6273Debian advanced package tool memory buffer overflow vulnerabilityBuffer overflow in the HTTP transport code in apt-get in APT 1.0.1 and earlier allows man-in-the-middle attackers to cause a denial of service (crash…EPSS 2.4%5.9CVE-2018-0501Canonical ubuntu linux improper verification of cryptographic signature vulnerabilityThe mirror:// method implementation in Advanced Package Tool (APT) 1.6.x before 1.6.4 and 1.7.x before 1.7.0~alpha3 mishandles gpg signature verifica…EPSS 0.95%

Source: NIST National Vulnerability Database (record CVE-2009-1300), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.