CVEvulnerability
CVE-2020-27347
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-11-06
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 4.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-121, CWE-787
Description
In tmux before version 3.1c the function input_csi_dispatch_sgr_colon() in file input.c contained a stack-based buffer-overflow that can be exploited by terminal output.
Affected configurations
• tmux project tmux (>= 2.9 <= 3.1b)
Related
References
- https://github.com/tmux/tmux/commit/a868bacb46e3c900530bed47a1c6f85b0fbe701c Patch, Third Party Advisory
- https://raw.githubusercontent.com/tmux/tmux/3.1c/CHANGES Release Notes, Third Party Advisory
- https://security.gentoo.org/glsa/202011-10 Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/11/05/3 Exploit, Mailing List, Third Party Advisory
- https://github.com/tmux/tmux/commit/a868bacb46e3c900530bed47a1c6f85b0fbe701c Patch, Third Party Advisory
- https://raw.githubusercontent.com/tmux/tmux/3.1c/CHANGES Release Notes, Third Party Advisory
- https://security.gentoo.org/glsa/202011-10 Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/11/05/3 Exploit, Mailing List, Third Party Advisory