CVE-2026-117933
published 2026-10-27CVE-2026-117933: Frame poisoning in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird…
PriorityP426
EPSS
0.18%
7.7th percentile
Frame poisoning in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| mozilla | firefox | < Firefox 159 | Firefox 159 |
| mozilla | firefox_esr | < Firefox ESR 153.6 | Firefox ESR 153.6 |
| mozilla | thunderbird | < Thunderbird 159 | Thunderbird 159 |
| mozilla | thunderbird | < Thunderbird 153.6 | Thunderbird 153.6 |
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Mozilla
Mozilla Foundation Security Advisory 2026-118: CVE-2026-117933
vendor_mozilla
CVE-2026-117933 Mozilla Foundation Security Advisory 2026-118: CVE-2026-117933
Mozilla Foundation Security Advisory 2026-118
CVE: CVE-2026-117933
Product: Firefox
Impact: low
Fixed in: Firefox 159
Mozilla
Mozilla Foundation Security Advisory 2026-121: CVE-2026-117933
vendor_mozilla
CVE-2026-117933 Mozilla Foundation Security Advisory 2026-121: CVE-2026-117933
Mozilla Foundation Security Advisory 2026-121
CVE: CVE-2026-117933
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 159
Mozilla
Mozilla Foundation Security Advisory 2026-122: CVE-2026-117933
vendor_mozilla
CVE-2026-117933 Mozilla Foundation Security Advisory 2026-122: CVE-2026-117933
Mozilla Foundation Security Advisory 2026-122
CVE: CVE-2026-117933
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 153.6
Mozilla
Mozilla Foundation Security Advisory 2026-120: CVE-2026-117933
vendor_mozilla
CVE-2026-117933 Mozilla Foundation Security Advisory 2026-120: CVE-2026-117933
Mozilla Foundation Security Advisory 2026-120
CVE: CVE-2026-117933
Product: Firefox ESR
Impact: low
Fixed in: Firefox ESR 153.6
GHSA
Frame poisoning in the CSS Parsing and Computation component.
ghsa_unreviewed·2026-10-27
CVE-2026-117933 Frame poisoning in the CSS Parsing and Computation component.
Frame poisoning in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 159 and Firefox ESR 153.6.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-10-27
Published