Upstream information
Description
A security vulnerability has been detected in tmux up to 3.6a. Affected is the function image_free of the file image.c. Such manipulation leads to use after free. Local access is required to approach this attack. This attack is characterized by high complexity. The exploitability is told to be difficult. The exploit has been disclosed publicly and may be used. Upgrading to version 3.7-rc is able to address this issue. The name of the patch is fc6d94a9f8a593bd8b7031650802084385d4ee03. The affected component should be upgraded.SUSE information
Overall state of this security issue: Pending
This issue is currently rated as having moderate severity.
| CVSS detail | CNA (VulDB) |
|---|---|
| Base Score | 3.5 |
| Vector | AV:L/AC:H/Au:S/C:P/I:P/A:P |
| Access Vector | Local |
| Access Complexity | High |
| Authentication | Single |
| Confidentiality Impact | Partial |
| Integrity Impact | Partial |
| Availability Impact | Partial |
| CVSS detail | CNA (VulDB) | SUSE |
|---|---|---|
| Base Score | 4.5 | 5.8 |
| Vector | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H |
| Attack Vector | Local | Local |
| Attack Complexity | High | High |
| Privileges Required | Low | Low |
| User Interaction | None | None |
| Scope | Unchanged | Unchanged |
| Confidentiality Impact | Low | Low |
| Integrity Impact | Low | Low |
| Availability Impact | Low | High |
| CVSSv3 Version | 3.1 | 3.1 |
| CVSS detail | CNA (VulDB) | SUSE |
|---|---|---|
| Base Score | 1.1 | 5.8 |
| Vector | CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X | CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N |
| Attack Vector | Local | Local |
| Attack Complexity | High | High |
| Attack Requirements | None | None |
| Privileges Required | Low | Low |
| User Interaction | None | None |
| Vulnerable System Confidentiality Impact | Low | Low |
| Vulnerable System Integrity Impact | Low | Low |
| Vulnerable System Availability Impact | Low | High |
| Subsequent System Confidentiality Impact | None | None |
| Subsequent System Integrity Impact | None | None |
| Subsequent System Availability Impact | None | None |
| CVSSv4 Version | 4.0 | 4.0 |
Status of this issue by product and package
Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.
| Product(s) | Source package | State |
|---|---|---|
| Products under general support and receiving all security fixes. | ||
| SUSE Linux Enterprise Module for Package Hub 15 SP7 | tmux | Not affected |
| SUSE Linux Enterprise Server 16.0 | tmux | Affected |
| SUSE Linux Enterprise Server 16.1 | tmux | Affected |
| SUSE Linux Enterprise Server for SAP applications 16.0 | tmux | Affected |
| SUSE Linux Enterprise Server for SAP applications 16.1 | tmux | Affected |
| openSUSE Leap 16.0 | tmux | Affected |
| Products past their end of life and not receiving proactive updates anymore. | ||
| SUSE Linux Enterprise Module for Package Hub 15 SP4 | tmux | Not affected |
| SUSE Linux Enterprise Module for Package Hub 15 SP5 | tmux | Not affected |
| SUSE Linux Enterprise Module for Package Hub 15 SP6 | tmux | Not affected |
| openSUSE Leap 15.3 | tmux | Not affected |
| openSUSE Leap 15.4 | tmux | Not affected |
| openSUSE Leap 15.5 | tmux | Not affected |
| openSUSE Leap 15.6 | tmux | Not affected |
SUSE Timeline for this CVE
CVE page created: Tue Jun 9 08:05:17 2026CVE page last modified: Tue Jun 9 15:24:09 2026