CVE-2016-2851

9.8 CRITICAL
Published: April 07, 2016 Modified: May 06, 2026
View on NVD

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://seclists.org/fulldisclosure/2016/Mar/21
Source: cve@mitre.org
Exploit Mailing List Third Party Advisory
http://www.debian.org/security/2016/dsa-3512
Source: cve@mitre.org
Third Party Advisory
http://www.securityfocus.com/archive/1/537745/100/0/threaded
Source: cve@mitre.org
Third Party Advisory
http://www.securityfocus.com/bid/84285
Source: cve@mitre.org
Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2926-1
Source: cve@mitre.org
Third Party Advisory
https://security.gentoo.org/glsa/201701-10
Source: cve@mitre.org
Third Party Advisory
https://www.exploit-db.com/exploits/39550/
Source: cve@mitre.org
Third Party Advisory VDB Entry
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00021.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00030.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://seclists.org/fulldisclosure/2016/Mar/21
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Mailing List Third Party Advisory
http://www.debian.org/security/2016/dsa-3512
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.securityfocus.com/archive/1/537745/100/0/threaded
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.securityfocus.com/bid/84285
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2926-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://lists.cypherpunks.ca/pipermail/otr-users/2016-March/002581.html
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit
https://security.gentoo.org/glsa/201701-10
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.exploit-db.com/exploits/39550/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://www.x41-dsec.de/lab/advisories/x41-2016-001-libotr/
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit

22 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
23.1%
96th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

opensuse cypherpunks debian