How severe is CVE-2009-2108?

CVE-2009-2108 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2009-2108 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-2108?

CVE-2009-2108 primarily affects Git. In total, 89 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-2108?

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

When was CVE-2009-2108 published?

CVE-2009-2108 was published on 2009-06-18 and last updated on 2026-06-16.

CVE-2009-2108

CVE-2009-2108 is a medium-severity vulnerability in Git with a CVSS 2.0 base score of 5.0. 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-399.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Git
Published: 2009-06-18
Last modified: 2026-06-16

Description

git-daemon in git 1.4.4.5 through 1.6.3 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a request containing extra unrecognized arguments.

Frequently asked questions

What is CVE-2009-2108?: git-daemon in git 1.4.4.5 through 1.6.3 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a request containing extra unrecognized arguments.
How severe is CVE-2009-2108?: CVE-2009-2108 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2009-2108 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-2108?: CVE-2009-2108 primarily affects Git. In total, 89 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-2108?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-2108 published?: CVE-2009-2108 was published on 2009-06-18 and last updated on 2026-06-16.

References

Affected products (89)

cpe:2.3:a:git:git:1.4.4.5:*:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.0:*:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.0:rc2:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.0:rc3:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.0:rc4:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.0.1:*:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.0.2:*:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.0.3:*:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.0.4:*:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.0.5:*:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.0.6:*:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.0.7:*:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.1:*:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.1.1:*:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.1.2:*:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.1.3:*:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.1.4:*:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.1.5:*:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.2:*:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.2.2:*:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.2.3:*:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.2.4:*:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.2.5:*:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.3:*:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.3:rc5:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.3:rc7:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.3.2:*:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.3.4:*:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.3.6:*:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.3.8:*:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.4:rc0:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.4:rc1:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.4:rc1.1136.g2794:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.4:rc3:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.4:rc4:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.4.1:*:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.4.2:*:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.4.4:*:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.4.7:*:*:*:*:*:*:*
cpe:2.3:a:git:git:1.5.5:*:*:*:*:*:*:*

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