tmux image.c image_free use after free (tmux)
En bref
- Source
- NVD
- EPSS
- EPSS 0.12 % · centile 2 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- VulDB
- Statut NVD
- Deferred
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.
Faiblesses (CWE)
- CWE-416 — Utilisation après libération
- CWE-119 — Opération hors des limites d'un tampon mémoire
Références
- https://vuldb.com/vuln/369303
- https://vuldb.com/vuln/369303/cti
- https://vuldb.com/cve/CVE-2026-11623
- https://vuldb.com/submit/835623
- https://gist.github.com/XlabAITeam/f0d9952595f795129a3258ba73bbc3cb
- https://github.com/tmux/tmux/commit/fc6d94a9f8a593bd8b7031650802084385d4ee03
- https://github.com/tmux/tmux/releases/tag/3.7-rc
- https://github.com/tmux/tmux/
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| CVSS 4.0 | LOW 2.0 | 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 | VulDB |
| CVSS 3.1 | MEDIUM 4.5 | 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 | VulDB |
| CVSS 3.0 | MEDIUM 4.5 | 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 | VulDB |
| CVSS 2.0 | LOW 3.5 | AV:L/AC:H/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C | VulDB |
| CVSS 4.0 | LOW 1.1 | 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 | NVD · cna@vuldb.com (Secondary) |
| CVSS 3.1 | MEDIUM 4.5 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L | NVD · cna@vuldb.com (Secondary) |
| CVSS 2.0 | LOW 3.5 | AV:L/AC:H/Au:S/C:P/I:P/A:P | NVD · cna@vuldb.com (Secondary) |
Références européennes
- ENISA EUVD · EUVD-2026-35297
- GCVE · GCVE-0-2026-11623
Avis du CERT-FR
- CERTFR-2026-AVI-0841 — Multiples vulnérabilités dans Microsoft Azure Linux · cert.ssi.gouv.fr
Produits affectés
| Produit | Versions |
|---|---|
| tmux | affected 3.6a ; unaffected 3.7-rc |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |