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CVE-2026-11793

Publié : 9 juin 2026
Modifié : 9 juin 2026
Lien officiel NVD
Score CVSS
4.9
MEDIUM

Description détaillée

A stack buffer overflow flaw was found in 389 Directory Server. The checkPrefix() function in pw.c copies an attacker-controlled algorithm ID into a 256-byte stack buffer without bounds checking when parsing reversible-encrypted attribute values. An attacker with Directory Manager privileges can crash the LDAP server by storing a crafted credential with an oversized algorithm ID. FORTIFY_SOURCE mitigates this to denial of service only.

Vecteur d'attaque (CVSS)

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

Références et Patchs

https://access.redhat.com/security/cve/CVE-2026-11793https://bugzilla.redhat.com/show_bug.cgi?id=2484914https://redhat.atlassian.net/browse/PSIRTSUPT-7600

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