CVE-2016-2377

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Summary

CVECVE-2016-2377
StatePUBLISHED
Assignercertcc
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-01-06 21:59:01 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionA buffer overflow vulnerability exists in the handling of the MXIT protocol in Pidgin. Specially crafted MXIT data sent by the server could potentially result in an out-of-bounds write of one byte. A malicious server can send a negative content-length in response to a HTTP request triggering the vulnerability.

Risk And Classification

Primary CVSS: v3.0 8.1 HIGH from [email protected]

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

EPSS: 0.033060000 probability, percentile 0.873240000 (date 2026-05-11)

Problem Types: CWE-119 | off-by-one write

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary8.1HIGHCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary6.8AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:N/AC:M/Au:N/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Canonical Ubuntu Linux 12.04 All All All
Operating System Canonical Ubuntu Linux 14.04 All All All
Operating System Canonical Ubuntu Linux 15.10 All All All
Operating System Debian Debian Linux 8.0 All All All
Application Pidgin Pidgin All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Pidgin Pidgin affected 2.10.11 Not specified

References

ReferenceSourceLinkTags
USN-3031-1: Pidgin vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
Pidgin Multiple Security Vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
Pidgin: Multiple vulnerabilities (GLSA 201701-38) — Gentoo Security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
Debian -- Security Information -- DSA-3620-1 pidgin af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
Cisco Talos - Talos 2016 0119 af854a3a-2127-422b-91ae-364da2661108 www.talosintelligence.com Technical Description, Third Party Advisory
Pidgin Security Advisories af854a3a-2127-422b-91ae-364da2661108 www.pidgin.im Patch, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 671085 EulerOS Security Update for pidgin (EulerOS-SA-2019-2387)
  • 710343 Gentoo Linux Pidgin Multiple Vulnerabilities (GLSA 201701-38)
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