Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-11623

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 affecte
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:d826f26811d71fdfe9a425bd0db44268209bc83529b1406a0b351b362941045f
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 4 assertions

{"metric":{"baseScore":3.5,"vectorString":"AV:L/AC:H/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:a36c7dfdafd54f5865c8e5d685dc6c1e11ec1763986be6971a347a2f5354647c · sha256:0f8e5dd9a0460bf3… · /containers/cna/metrics/3/cvssV2_0

{"metric":{"baseScore":2,"baseSeverity":"LOW","vectorString":"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","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:a36c7dfdafd54f5865c8e5d685dc6c1e11ec1763986be6971a347a2f5354647c · sha256:0f8e5dd9a0460bf3… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"baseScore":4.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:a36c7dfdafd54f5865c8e5d685dc6c1e11ec1763986be6971a347a2f5354647c · sha256:0f8e5dd9a0460bf3… · /containers/cna/metrics/2/cvssV3_0

{"metric":{"baseScore":4.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:a36c7dfdafd54f5865c8e5d685dc6c1e11ec1763986be6971a347a2f5354647c · sha256:0f8e5dd9a0460bf3… · /containers/cna/metrics/1/cvssV3_1
cwe · 2 assertions

{"cweId":"CWE-119","description":"Memory Corruption","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a36c7dfdafd54f5865c8e5d685dc6c1e11ec1763986be6971a347a2f5354647c · sha256:0f8e5dd9a0460bf3… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-416","description":"Use After Free","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a36c7dfdafd54f5865c8e5d685dc6c1e11ec1763986be6971a347a2f5354647c · sha256:0f8e5dd9a0460bf3… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:a:tmux:tmux:*:*:*:*:*:*:*:*"],"product":"tmux","vendor":"n/a","versions":[{"status":"affected","version":"3.6a"},{"status":"unaffected","version":"3.7-rc"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a36c7dfdafd54f5865c8e5d685dc6c1e11ec1763986be6971a347a2f5354647c · sha256:0f8e5dd9a0460bf3… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":3.5,"vectorString":"AV:L/AC:H/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:a36c7dfdafd54f5865c8e5d685dc6c1e11ec1763986be6971a347a2f5354647c · sha256:0f8e5dd9a0460bf3… · /containers/cna/metrics/3/cvssV2_0
{"metric":{"baseScore":2,"baseSeverity":"LOW","vectorString":"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","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:a36c7dfdafd54f5865c8e5d685dc6c1e11ec1763986be6971a347a2f5354647c · sha256:0f8e5dd9a0460bf3… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"baseScore":4.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:a36c7dfdafd54f5865c8e5d685dc6c1e11ec1763986be6971a347a2f5354647c · sha256:0f8e5dd9a0460bf3… · /containers/cna/metrics/2/cvssV3_0
{"metric":{"baseScore":4.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:a36c7dfdafd54f5865c8e5d685dc6c1e11ec1763986be6971a347a2f5354647c · sha256:0f8e5dd9a0460bf3… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-119","description":"Memory Corruption","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a36c7dfdafd54f5865c8e5d685dc6c1e11ec1763986be6971a347a2f5354647c · sha256:0f8e5dd9a0460bf3… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-416","description":"Use After Free","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a36c7dfdafd54f5865c8e5d685dc6c1e11ec1763986be6971a347a2f5354647c · sha256:0f8e5dd9a0460bf3… · /containers/cna/problemTypes/0/descriptions/0

Source references

8 source assertions
{"tags":["exploit"],"url":"https://gist.github.com/XlabAITeam/f0d9952595f795129a3258ba73bbc3cb"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a36c7dfdafd54f5865c8e5d685dc6c1e11ec1763986be6971a347a2f5354647c · sha256:0f8e5dd9a0460bf3… · /containers/cna/references/4
{"tags":["product"],"url":"https://github.com/tmux/tmux/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a36c7dfdafd54f5865c8e5d685dc6c1e11ec1763986be6971a347a2f5354647c · sha256:0f8e5dd9a0460bf3… · /containers/cna/references/7
{"tags":["patch"],"url":"https://github.com/tmux/tmux/commit/fc6d94a9f8a593bd8b7031650802084385d4ee03"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a36c7dfdafd54f5865c8e5d685dc6c1e11ec1763986be6971a347a2f5354647c · sha256:0f8e5dd9a0460bf3… · /containers/cna/references/5
{"tags":["patch"],"url":"https://github.com/tmux/tmux/releases/tag/3.7-rc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a36c7dfdafd54f5865c8e5d685dc6c1e11ec1763986be6971a347a2f5354647c · sha256:0f8e5dd9a0460bf3… · /containers/cna/references/6
{"name":"CVE-2026-11623 | CVE Analysis and Report","tags":["third-party-advisory"],"url":"https://vuldb.com/cve/CVE-2026-11623"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a36c7dfdafd54f5865c8e5d685dc6c1e11ec1763986be6971a347a2f5354647c · sha256:0f8e5dd9a0460bf3… · /containers/cna/references/2
{"name":"Submit #835623 | tmux <= 3.6a Use After Free","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/835623"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a36c7dfdafd54f5865c8e5d685dc6c1e11ec1763986be6971a347a2f5354647c · sha256:0f8e5dd9a0460bf3… · /containers/cna/references/3
{"name":"VDB-369303 | tmux image.c image_free use after free","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/vuln/369303"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a36c7dfdafd54f5865c8e5d685dc6c1e11ec1763986be6971a347a2f5354647c · sha256:0f8e5dd9a0460bf3… · /containers/cna/references/0
{"name":"VDB-369303 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/369303/cti"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a36c7dfdafd54f5865c8e5d685dc6c1e11ec1763986be6971a347a2f5354647c · sha256:0f8e5dd9a0460bf3… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

← Back to CVE Explorer