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These are all security issues fixed in the MozillaFirefox-155.0-1.1 package on the GA media of openSUSE Tumbleweed.

CVE-2026-84117 and related CVEs represent a collection of security vulnerabilities fixed in Mozilla Firefox 155. These include privilege escalation, use-after-free bugs in various components such as JavaScript GC, DOM navigation, Audio/Video, Graphics WebGPU, and sandbox escapes. Some issues also involve information disclosure and site isolation weaknesses. The bugs were discovered internally and externally, with some showing evidence of memory corruption or other security-relevant defects that could potentially be exploited. The Mozilla advisory MFSA 2026-82 confirms these fixes and provides detailed references for each issue.

Detailed information about CVE-2026-84117: Vulnerability in Mozilla Firefox affecting Mozilla Firefox. Get real-time updates, technical details, and mitigation 

CVE-2026-84117: Vulnerability in Mozilla Firefox - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2026-84117: Vulnerability in Mozilla Firefox

Other issue in Firefox Focus for Android. This vulnerability was fixed in Firefox 155.

This vulnerability, identified as CVE-2026-84135, is an 'other issue' in Firefox Focus for Android. It was resolved in Firefox 155 alongside numerous other security vulnerabilities. The Mozilla advisory groups this issue with low-impact bugs fixed in the release. The overall CVSS score of 9.8 applies to the entire set of vulnerabilities fixed in Firefox 155, not specifically to this issue. No detailed technical exploit or attack vector is provided for this specific vulnerability. The fix is included in Firefox 155.

Detailed information about CVE-2026-84135: Vulnerability in Mozilla Firefox affecting Mozilla Firefox. Get real-time updates, technical details, and mitigation 

CVE-2026-84135: Vulnerability in Mozilla Firefox - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2026-84135: Vulnerability in Mozilla Firefox

mozjs52

mozjs38

mozjs68

mozjs102

mozjs78

mozjs91

thunderbird

mozjs115

CVE-2026-84135 is a security vulnerability affecting multiple specific versions of the mozjs52 JavaScript engine used in various Ubuntu LTS releases. The CVSS 3.1 score is 9.8, indicating critical severity with network attack vector, low attack complexity, no privileges or user interaction required, and high impact on confidentiality, integrity, and availability. The exact technical details of this vulnerability are not provided in the source data. Mozilla has fixed this and related vulnerabilities in Firefox 155, indicating an official patch is available. There are no known exploits in the wild at this time.

CVE-2026-84135 is a critical security vulnerability in the mozjs52 JavaScript engine component used in multiple Ubuntu LTS versions. Although the specific nature of the vulnerability is not described, the CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) indicates it can be exploited remotely without privileges or user interaction, causing complete compromise of confidentiality, integrity, and availability. Mozilla fixed this vulnerability in Firefox 155 as part of a broad security update addressing multiple internally found bugs with memory corruption or other security-relevant defects. The vulnerability affects many exact package versions listed, spanning Ubuntu 18.04, 20.04, 22.04, and 24.04 LTS releases.

Detailed information about Mozjs52: [Unknown description] (CVE-2026-84135) affecting null mozjs52. Get real-time updates, technical details, and mitigation stra

Mozjs52: [Unknown description] (CVE-2026-84135) - Live Threat Intelligence - Threat Radar | OffSeq.com

Mozjs52: [Unknown description] (CVE-2026-84135)


CVE-2026-84117: Vulnerability in Mozilla FirefoxCVE-2026-84117 0 These are all security issues fixed in the MozillaFirefox-155.0-1.1 package on the GA media of openSUSE Tumbleweed. HighVulnerability#cve #cve-2026-84117 #gcve Join the discussion	CVE Database V5	09/04/2026, 00:00:00 UTC Added: 09/01/2026, 12:53:02 UTC
CVE-2026-84135: Vulnerability in Mozilla FirefoxCVE-2026-84135 0 Other issue in Firefox Focus for Android. This vulnerability was fixed in Firefox 155. CriticalVulnerability#cve #cve-2026-84135 Join the discussion	CVE Database V5	09/01/2026, 12:19:01 UTC Added: 09/01/2026, 12:53:06 UTC
Mozjs52: [Unknown description] (CVE-2026-84135)CVE-2026-84135 0 CVE-2026-84135 is a security vulnerability affecting multiple specific versions of the mozjs52 JavaScript engine used in various Ubuntu LTS releases. The CVSS 3.1 score is 9.8, indicating critical severity with network attack vector, low attack complexity, no privileges or user interaction required, and high impact on confidentiality, integrity, and availability. The exact technical details of this vulnerability are not provided in the source data. Mozilla has fixed this and related vulnerabilities in Firefox 155, indicating an official patch is available. There are no known exploits in the wild at this time. MediumVulnerability#gcve #osv #ubuntu-cve-2026-84135 Join the discussion	GCVE Database	09/01/2026, 00:00:00 UTC Added: 09/05/2026, 14:22:13 UTC

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