CVE-2025-9185
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Description
Memory safety bugs present in Firefox ESR 115.26, Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 142, Firefox ESR < 115.27, Firefox ESR < 128.14, Firefox ESR < 140.2, Thunderbird < 142, Thunderbird < 128.14, and Thunderbird < 140.2.
Available Exploits
Related News
Affected Products
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EU Vulnerability Database
Monitored by ENISA for EU cybersecurity
ENISA Analysis
Memory safety bugs present in Firefox ESR 115.26, Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 142, Firefox ESR < 115.27, Firefox ESR < 128.14, Firefox ESR < 140.2, Thunderbird < 142, Thunderbird < 128.14, and Thunderbird < 140.2.
Affected Products (ENISA)
ENISA Scoring
CVSS Score (3.1)
EPSS Score
ENISA References
Data provided by ENISA EU Vulnerability Database. Last updated: August 21, 2025
GitHub Security Advisories
Community-driven vulnerability intelligence from GitHub
Advisory Details
CVSS Scoring
CVSS Score
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
References
Advisory provided by GitHub Security Advisory Database. Published: August 19, 2025, Modified: August 21, 2025
Social Media Intelligence
Real-time discussions and threat intelligence from social platforms
Debian 13.1 (and 12.12) 2025-09-06 "Just" a "minor" point release. But for those that have been waiting to upgrade to Debian 13, perhaps that time now draws nearer? [\[SUA 273-1\] Upcoming Debian 13 Update (13.1)](https://lists.debian.org/debian-stable-announce/2025/09/msg00000.html) [\[SUA 274-1\] Upcoming Debian 12 Update (12.12)](https://lists.debian.org/debian-stable-announce/2025/09/msg00001.html) 13.1: >\[SUA 273-1\] Upcoming Debian 13 Update (13.1) …