CVE-2026-11623

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Source
https://cve.org/CVERecord?id=CVE-2026-11623
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-11623.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2026-11623
Downstream
Related
Published
2026-06-09T03:15:12.467Z
Modified
2026-06-24T03:53:34.079651449Z
Severity
  • 1.1 (Low) CVSS_V4 - 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 CVSS Calculator
Summary
tmux image.c image_free use after free
Details

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.

Database specific 
{
    "cna_assigner": "VulDB",
    "cwe_ids": [
        "CWE-119",
        "CWE-416"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/11xxx/CVE-2026-11623.json"
}
References

Affected packages

Git / github.com/tmux/tmux

Affected ranges

Type
GIT
Repo
https://github.com/tmux/tmux
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
fc6d94a9f8a593bd8b7031650802084385d4ee03
Fixed
f92a4e611bae5d6e4f50e5a8e9b681501d7300bd
Database specific 
{
    "source": [
        "AFFECTED_FIELD",
        "REFERENCES"
    ],
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "3.6a"
        }
    ]
}

Affected versions

1.*
1.8
1.9a
2.*
2.0
2.1
2.2
2.3
3.*
3.0
3.3
3.4
3.5

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-11623.json"