CVE-2016-2851 is a critical integer overflow vulnerability in libotr versions prior to 4.1.1, affecting 64-bit platforms and impacting products like cypherpunks, Debian, and openSUSE. This flaw allows remote attackers to trigger a heap-based buffer overflow by sending a series of large OTR messages, leading to memory corruption, application crashes, or arbitrary code execution. With a CVSS score of 9.8 (CRITICAL), it presents a severe risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While not listed in CISA's KEV catalog, exploit code is publicly available (EDB-39550), and it has garnered significant community discussion, indicating awareness and potential for exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
7.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | ||
42.1CPE matchmatch criteria | cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:* | ||
13.2CPE matchmatch criteria | cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* | ||
<= 4.1.0CPE matchmatch criteria | cpe:2.3:a:cypherpunks:libotr:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.