CVE-2010-3765
Act now ● On CISA KEV — actively exploited
Actively exploited — on the CISA KEV list.
CVSS base
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EPSS — probability of exploitation (30 days)
83.2%
99.7th percentile
CISA KEV
Listed
Added 2025-10-06 · patch by 2025-10-27
Weakness / dates
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Published — · modified —
Timeline
- 2025-10-06 — Added to CISA KEV (actively exploited)
- 2025-10-27 — CISA patch-by deadline
Description
Mozilla Firefox, SeaMonkey, and Thunderbird contain an unspecified vulnerability when JavaScript is enabled. This allows remote attackers to execute arbitrary code via vectors related to nsCSSFrameConstructor::ContentAppended, the appendChild method, incorrect index tracking, and the creation of multiple frames, which triggers memory corruption.