Important: firefox security update

2023-10-0400:00:00

Google

osv.dev

mozilla

firefox

security update

cve-2023-3600

cve-2023-5169

cve-2023-5171

cve-2023-5176

cve-2023-5217

libvpx

web browser

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.5 High

AI Score

Confidence

High

0.245 Low

EPSS

Percentile

96.7%

JSON

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

This update upgrades Firefox to version 115.3.1 ESR.

Security Fix(es):

firefox: use-after-free in workers (CVE-2023-3600)
Mozilla: Out-of-bounds write in PathOps (CVE-2023-5169)
Mozilla: Use-after-free in Ion Compiler (CVE-2023-5171)
Mozilla: Memory safety bugs fixed in Firefox 118, Firefox ESR 115.3, and Thunderbird 115.3 (CVE-2023-5176)
libvpx: Heap buffer overflow in vp8 encoding in libvpx (CVE-2023-5217)

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.