Sandbox escape, site isolation issue due to incorrect boundary conditions, use-after-free in the Networking component
Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.
cve-program · CVE-2026-109705
PublishedSandbox escape, site isolation issue due to incorrect boundary conditions, use-after-free in the Networking component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.
- Source published
- 13 Oct 2026 12:29:21 UTC
- Source modified
- 13 Oct 2026 18:16:46 UTC
- Observed here
- 23 Oct 2026 15:48:27 UTC
- Source terms
- CVE Program Terms of Use
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