Is CVE-2016-2371 in the CISA KEV catalog?

No. CVE-2016-2371 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-2371?

CVE-2016-2371 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2016-2371?

CVE-2016-2371 has an EPSS score of 3.17% (86th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-2371?

Upgrade pidgin on debian 11 to 2.11.0-1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2016-2371

HIGHEPSS 86th pctl

8.1

CVSS v3

NVD

Description

An out-of-bounds write vulnerability exists in the handling of the MXIT protocol in Pidgin. Specially crafted MXIT data sent via the server could cause memory corruption resulting in code execution.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

pidginDebian

Fixed in:2.11.0-1CVE-2016-2371

libpurple0Ubuntu

Fixed in:1:2.10.9-0ubuntu3.3USN-3031-1

pidginUbuntu

Fixed in:1:2.10.9-0ubuntu3.3USN-3031-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

3.17%probability of exploitation in 30 days

86thpercentile

Elevated risk: more likely to be exploited than 86% of all known CVEs.

References

Patch1

pidgin.im

Third-Party Advisory4

Other references1

security.gentoo.org

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.