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CVE-2026-87766

Publié : 9 septembre 2026
Modifié : 9 septembre 2026
Lien officiel NVD
Score CVSS
8.8
HIGH

Description détaillée

A flaw was found in bubblewrap. During sandbox setup, creating files or directories under the new root can follow a parent symlink onto the host via /oldroot, writing attacker-chosen paths outside the sandbox as the launching user. This happens before the sandboxed process starts. This issue is GHSA-pxhw-h44j-8pfx. It is fixed in bubblewrap 0.12.0.

Vecteur d'attaque (CVSS)

Vecteur brut :CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Références et Patchs

https://access.redhat.com/security/cve/CVE-2026-87766https://bugs.debian.org/1145655https://bugzilla.redhat.com/show_bug.cgi?id=2530542https://github.com/containers/bubblewrap/releases/tag/v0.12.0https://github.com/containers/bubblewrap/security/advisories/GHSA-pxhw-h44j-8pfxhttps://www.openwall.com/lists/oss-security/2026/08/27/7

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