CVE-2009-1300

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.

Published: 2009-04-16 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-1300 is rated High Risk (67.5/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.86%). High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2009-1300

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.03% 1.86% +0.82%
2 2025-09-05 1.08% 1.03% -0.05%
3 2025-03-30 — 1.08% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-1300

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2009-1300

OS Trackers for CVE-2009-1300

vendor priority summary link
debian not yet assigned CVE-2009-1300 not yet assigned priority: Debian including 1 source packages (apt), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2009-1300
ubuntu low CVE-2009-1300 low priority: Ubuntu including 1 source packages (apt), 4 status rows across 4 suites (dapper, hardy, intrepid, upstream): released 4. https://ubuntu.com/security/CVE-2009-1300

Affected software / configurations for CVE-2009-1300

Vendor Product Version Raw CPE
debian advanced_package_tool 0.7.20 cpe:2.3:a:debian:advanced_package_tool:0.7.20:*:*:*:*:*:*:*

References for CVE-2009-1300

cvelogic Threat Intelligence