How severe is CVE-2009-1373?

CVE-2009-1373 has a CVSS 2.0 base score of 7.1, rated high severity.

Is CVE-2009-1373 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-1373?

CVE-2009-1373 primarily affects Pidgin. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-1373?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2009-1373 published?

CVE-2009-1373 was published on 2009-05-26 and last updated on 2026-06-16.

CVE-2009-1373

CVE-2009-1373 is a high-severity vulnerability in Pidgin with a CVSS 2.0 base score of 7.1. 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-119.

Key facts

Severity: High (CVSS 2.0 base score 7.1)
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Pidgin
Published: 2009-05-26
Last modified: 2026-06-16

Description

Buffer overflow in the XMPP SOCKS5 bytestream server in Pidgin (formerly Gaim) before 2.5.6 allows remote authenticated users to execute arbitrary code via vectors involving an outbound XMPP file transfer. NOTE: some of these details are obtained from third party information.

Frequently asked questions

What is CVE-2009-1373?: Buffer overflow in the XMPP SOCKS5 bytestream server in Pidgin (formerly Gaim) before 2.5.6 allows remote authenticated users to execute arbitrary code via vectors involving an outbound XMPP file transfer. NOTE: some of these details are obtained from third party information.
How severe is CVE-2009-1373?: CVE-2009-1373 has a CVSS 2.0 base score of 7.1, rated high severity.
Is CVE-2009-1373 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-1373?: CVE-2009-1373 primarily affects Pidgin. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-1373?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2009-1373 published?: CVE-2009-1373 was published on 2009-05-26 and last updated on 2026-06-16.

References

Affected products (21)

cpe:2.3:a:pidgin:pidgin:*:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.0.2:*:linux:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.1.0:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.1.1:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.2.0:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.2.1:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.2.2:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.3.0:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.3.1:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.4.0:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.4.1:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.4.2:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.4.3:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.5.0:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.5.1:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.5.2:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.5.3:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.5.4:*:*:*:*:*:*:*

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