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GoogleOSV:ALSA-2023:7508

HistoryNov 27, 2023 - 12:00 a.m.

Important: firefox security update

2023-11-2700:00:00

Google

osv.dev

mozilla

security update

out-of-bound memory access

use-after-free

clickjacking

memory safety bugs

selection api

cve-2023-6204

cve-2023-6205

cve-2023-6206

cve-2023-6207

cve-2023-6212

cve-2023-6208

cve-2023-6209

web browser

standards compliance

performance

portability

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.2 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

38.3%

JSON

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.

This update upgrades Firefox to version 115.5.0 ESR.

Security Fix(es):

Mozilla: Out-of-bound memory access in WebGL2 blitFramebuffer (CVE-2023-6204)
Mozilla: Use-after-free in MessagePort::Entangled (CVE-2023-6205)
Mozilla: Clickjacking permission prompts using the fullscreen transition (CVE-2023-6206)
Mozilla: Use-after-free in ReadableByteStreamQueueEntry::Buffer (CVE-2023-6207)
Mozilla: Memory safety bugs fixed in Firefox 120, Firefox ESR 115.5, and Thunderbird 115.5 (CVE-2023-6212)
Mozilla: Using Selection API would copy contents into X11 primary selection. (CVE-2023-6208)
Mozilla: Incorrect parsing of relative URLs starting with “///” (CVE-2023-6209)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.