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CVE-2026-66349

MMS

Description

The MMS server connection handler contains a flaw in its processing of BER-encoded request data. When an MMS confirmed request PDU containing an extended BER tag is received over an established session, the decoder may advance its internal buffer incorrectly due to a missing bounds check. This results in a one byte heap out-of-bounds read and causes the MMS service process to terminate, leading to a denial-of-service condition.

CVSS 6.5EPSS 0.181%Risque 0.66
Voir la source
Publication
2026-07-30 23:16:52
Versions concernées
unknown
Type
Autre
Dernière modification
2026-07-31 16:17:10
Vecteur
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H