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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2023-6860
HistoryDec 19, 2023 - 2:15 p.m.

CVE-2023-6860

2023-12-1914:15:07
Debian Security Bug Tracker
security-tracker.debian.org
8
videobridge
remote decoders
sandbox escape
firefox esr
thunderbird
unix

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

5.8 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

31.7%

The VideoBridge allowed any content process to use textures produced by remote decoders. This could be abused to escape the sandbox. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

5.8 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

31.7%