CVE-2026-8975: Vulnerability in Mozilla Firefox
Multiple memory safety vulnerabilities were identified in Mozilla Firefox versions ESR 115. 35, ESR 140. 10, and Firefox 150. These bugs showed evidence of memory corruption and could potentially have been exploited to execute arbitrary code. Mozilla fixed these issues in Firefox 151, Firefox ESR 115. 36, and Firefox ESR 140. 11. The vulnerabilities are part of a broader set of security fixes addressing high-impact issues including sandbox escapes, use-after-free, and boundary condition errors. No known exploits are reported in the wild at this time.
AI Analysis
Technical Summary
CVE-2026-8975 concerns memory safety bugs in Firefox ESR 115.35, ESR 140.10, and Firefox 150 that showed evidence of memory corruption. These vulnerabilities could potentially allow arbitrary code execution if exploited. Mozilla released fixes for these issues in Firefox 151, Firefox ESR 115.36, and Firefox ESR 140.11. The vulnerabilities are part of a larger set of high-impact security fixes addressing multiple components such as sandbox escapes, use-after-free, and boundary condition errors. The vendor advisories confirm that these bugs have been patched and provide detailed references to the bugs and fixes.
Potential Impact
The vulnerabilities could have allowed attackers to exploit memory corruption bugs to run arbitrary code on affected Firefox versions. This represents a high impact as arbitrary code execution can lead to full compromise of the affected system through the browser. However, no known exploits in the wild have been reported. The fixes in Firefox 151 and ESR updates mitigate these risks.
Mitigation Recommendations
Mozilla has released official fixes for these vulnerabilities in Firefox 151, Firefox ESR 115.36, and Firefox ESR 140.11. Users and administrators should update to these versions or later to remediate the vulnerabilities. Since the vendor has provided official patches, applying these updates is the recommended and effective mitigation. There is no indication that additional mitigation steps are required beyond updating.
CVE-2026-8975: Vulnerability in Mozilla Firefox
Description
Multiple memory safety vulnerabilities were identified in Mozilla Firefox versions ESR 115. 35, ESR 140. 10, and Firefox 150. These bugs showed evidence of memory corruption and could potentially have been exploited to execute arbitrary code. Mozilla fixed these issues in Firefox 151, Firefox ESR 115. 36, and Firefox ESR 140. 11. The vulnerabilities are part of a broader set of security fixes addressing high-impact issues including sandbox escapes, use-after-free, and boundary condition errors. No known exploits are reported in the wild at this time.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-8975 concerns memory safety bugs in Firefox ESR 115.35, ESR 140.10, and Firefox 150 that showed evidence of memory corruption. These vulnerabilities could potentially allow arbitrary code execution if exploited. Mozilla released fixes for these issues in Firefox 151, Firefox ESR 115.36, and Firefox ESR 140.11. The vulnerabilities are part of a larger set of high-impact security fixes addressing multiple components such as sandbox escapes, use-after-free, and boundary condition errors. The vendor advisories confirm that these bugs have been patched and provide detailed references to the bugs and fixes.
Potential Impact
The vulnerabilities could have allowed attackers to exploit memory corruption bugs to run arbitrary code on affected Firefox versions. This represents a high impact as arbitrary code execution can lead to full compromise of the affected system through the browser. However, no known exploits in the wild have been reported. The fixes in Firefox 151 and ESR updates mitigate these risks.
Mitigation Recommendations
Mozilla has released official fixes for these vulnerabilities in Firefox 151, Firefox ESR 115.36, and Firefox ESR 140.11. Users and administrators should update to these versions or later to remediate the vulnerabilities. Since the vendor has provided official patches, applying these updates is the recommended and effective mitigation. There is no indication that additional mitigation steps are required beyond updating.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-05-19T12:30:23.949Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-46/","vendor":"Mozilla"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-47/","vendor":"Mozilla"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-48/","vendor":"Mozilla"}]
Threat ID: 6a0c6782ec166c07b0a99bcb
Added to database: 5/19/2026, 1:37:06 PM
Last enriched: 5/19/2026, 1:52:37 PM
Last updated: 5/19/2026, 2:41:30 PM
Views: 21
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