Description
Integer overflow in proto.c in libotr before 4.1.1 on 64-bit platforms allows remote attackers to cause a denial of service (memory corruption and application crash) or execute arbitrary code via a series of large OTR messages, which triggers a heap-based buffer overflow.
Published: 2016-04-07
Score: 9.8 Critical
EPSS: 23.1% Moderate
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-3512-1 libotr security update
Ubuntu USN Ubuntu USN USN-2926-1 OTR vulnerability
History

Sun, 13 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.18771}

epss

{'score': 0.23058}


Subscriptions

Cypherpunks Libotr
Debian Debian Linux
Opensuse Leap Opensuse
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T23:32:21.378Z

Reserved: 2016-03-06T00:00:00.000Z

Link: CVE-2016-2851

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2016-04-07T23:59:09.940

Modified: 2026-05-06T22:30:45.220

Link: CVE-2016-2851

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses