CVE-2026-117942
highpriority · track · 0grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
— EPSS
CVSS 8.8 · high
Who says so?
— sources
Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.
01
cvss
Technical severity, 0–10. One row per scoring source.
8.8
010
base score 0–10 · higher = more severe · hover a vector to decode
v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · grimoire (LLM-derived)LLM-inferred
02
weaknesses
The CWE weakness classes this flaw belongs to.
CWE-1223USLLM-inferred
03
affected products
Products and version ranges known to be affected.
No affected products recorded.
04
sources
Which sources assert this record, and when.
05
references (6) nvd
External citations — patches, advisories, analysis.
- https://bugzilla.mozilla.org/show_bug.cgi?id=2082047
- https://www.mozilla.org/security/advisories/mfsa2026-118/
- https://www.mozilla.org/security/advisories/mfsa2026-119/
- https://www.mozilla.org/security/advisories/mfsa2026-120/
- https://www.mozilla.org/security/advisories/mfsa2026-121/
- https://www.mozilla.org/security/advisories/mfsa2026-122/
scry
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