CVE-2026-100792
published 2026-09-29CVE-2026-100792: JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17…
PriorityP432high7.1CVSS 3.1
AVNACLPRNUIRSUCHILAN
EPSS
0.28%
19.0th percentile
JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.
Affected
6 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| mozilla | firefox | < Firefox 157 | Firefox 157 |
| mozilla | firefox_esr | < Firefox ESR 153.4 | Firefox ESR 153.4 |
| mozilla | firefox_esr | < Firefox ESR 140.17 | Firefox ESR 140.17 |
| mozilla | thunderbird | < Thunderbird 153.4 | Thunderbird 153.4 |
| mozilla | thunderbird | < Thunderbird 157 | Thunderbird 157 |
| mozilla | thunderbird | < Thunderbird 140.17 | Thunderbird 140.17 |
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Mozilla
Mozilla Foundation Security Advisory 2026-103: CVE-2026-100792
vendor_mozilla
CVE-2026-100792 Mozilla Foundation Security Advisory 2026-103: CVE-2026-100792
Mozilla Foundation Security Advisory 2026-103
CVE: CVE-2026-100792
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 153.4
Mozilla
Mozilla Foundation Security Advisory 2026-101: CVE-2026-100792
vendor_mozilla
CVE-2026-100792 Mozilla Foundation Security Advisory 2026-101: CVE-2026-100792
Mozilla Foundation Security Advisory 2026-101
CVE: CVE-2026-100792
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 157
Mozilla
Mozilla Foundation Security Advisory 2026-100: CVE-2026-100792
vendor_mozilla
CVE-2026-100792 Mozilla Foundation Security Advisory 2026-100: CVE-2026-100792
Mozilla Foundation Security Advisory 2026-100
CVE: CVE-2026-100792
Product: Firefox ESR
Impact: low
Fixed in: Firefox ESR 153.4
Mozilla
Mozilla Foundation Security Advisory 2026-99: CVE-2026-100792
vendor_mozilla
CVE-2026-100792 Mozilla Foundation Security Advisory 2026-99: CVE-2026-100792
Mozilla Foundation Security Advisory 2026-99
CVE: CVE-2026-100792
Product: Firefox ESR
Impact: moderate
Fixed in: Firefox ESR 140.17
Mozilla
Mozilla Foundation Security Advisory 2026-97: CVE-2026-100792
vendor_mozilla
CVE-2026-100792 Mozilla Foundation Security Advisory 2026-97: CVE-2026-100792
Mozilla Foundation Security Advisory 2026-97
CVE: CVE-2026-100792
Product: Firefox
Impact: low
Fixed in: Firefox 157
Mozilla
Mozilla Foundation Security Advisory 2026-102: CVE-2026-100792
vendor_mozilla
CVE-2026-100792 Mozilla Foundation Security Advisory 2026-102: CVE-2026-100792
Mozilla Foundation Security Advisory 2026-102
CVE: CVE-2026-100792
Product: Thunderbird
Impact: moderate
Fixed in: Thunderbird 140.17
GHSA
JIT miscompilation in the JavaScript: WebAssembly component.
ghsa_unreviewed·2026-09-29
CVE-2026-100792 JIT miscompilation in the JavaScript: WebAssembly component.
JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, and Firefox ESR 140.17.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://bugzilla.mozilla.org/show_bug.cgi?id=2073266https://www.mozilla.org/security/advisories/mfsa2026-100/https://www.mozilla.org/security/advisories/mfsa2026-101/https://www.mozilla.org/security/advisories/mfsa2026-102/https://www.mozilla.org/security/advisories/mfsa2026-103/https://www.mozilla.org/security/advisories/mfsa2026-97/https://www.mozilla.org/security/advisories/mfsa2026-99/
2026-09-29
Published