How severe is CVE-2009-1436?

CVE-2009-1436 has a CVSS 2.0 base score of 4.9, rated medium severity.

Is CVE-2009-1436 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-1436?

CVE-2009-1436 primarily affects Freebsd. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-1436?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2009-1436 published?

CVE-2009-1436 was published on 2009-04-27 and last updated on 2026-06-16.

CVE-2009-1436

CVE-2009-1436 is a medium-severity vulnerability in Freebsd with a CVSS 2.0 base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 2.0 base score 4.9)
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Freebsd
Published: 2009-04-27
Last modified: 2026-06-16

Description

The db interface in libc in FreeBSD 6.3, 6.4, 7.0, 7.1, and 7.2-PRERELEASE does not properly initialize memory for Berkeley DB 1.85 database structures, which allows local users to obtain sensitive information by reading a database file.

Frequently asked questions

What is CVE-2009-1436?: The db interface in libc in FreeBSD 6.3, 6.4, 7.0, 7.1, and 7.2-PRERELEASE does not properly initialize memory for Berkeley DB 1.85 database structures, which allows local users to obtain sensitive information by reading a database file.
How severe is CVE-2009-1436?: CVE-2009-1436 has a CVSS 2.0 base score of 4.9, rated medium severity.
Is CVE-2009-1436 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-1436?: CVE-2009-1436 primarily affects Freebsd. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-1436?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-1436 published?: CVE-2009-1436 was published on 2009-04-27 and last updated on 2026-06-16.

References

Affected products (10)

cpe:2.3:o:freebsd:freebsd:6.3:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:6.3:release_p10:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:6.4:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:6.4:release_p4:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:6.4:stable:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:7.0:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:7.0:release-p12:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:7.1:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:7.1:release-p5:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:7.2:pre-release:*:*:*:*:*:*

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