CVE-2026-117907
published 2026-10-27CVE-2026-117907: Use-after-free in the Networking component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and…
PriorityP425
EPSS
0.19%
8.3th percentile
Use-after-free in the Networking component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.
Affected
5 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| mozilla | firefox | < Firefox 159 | Firefox 159 |
| mozilla | firefox_esr | < Firefox ESR 115.44 | Firefox ESR 115.44 |
| 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 2026-121: CVE-2026-117907
vendor_mozilla
CVE-2026-117907 Mozilla Foundation Security Advisory 2026-121: CVE-2026-117907
Mozilla Foundation Security Advisory 2026-121
CVE: CVE-2026-117907
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 159
Mozilla
Mozilla Foundation Security Advisory 2026-119: CVE-2026-117907
vendor_mozilla
CVE-2026-117907 Mozilla Foundation Security Advisory 2026-119: CVE-2026-117907
Mozilla Foundation Security Advisory 2026-119
CVE: CVE-2026-117907
Product: Firefox ESR
Impact: low
Fixed in: Firefox ESR 115.44
Mozilla
Mozilla Foundation Security Advisory 2026-122: CVE-2026-117907
vendor_mozilla
CVE-2026-117907 Mozilla Foundation Security Advisory 2026-122: CVE-2026-117907
Mozilla Foundation Security Advisory 2026-122
CVE: CVE-2026-117907
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 153.6
Mozilla
Mozilla Foundation Security Advisory 2026-118: CVE-2026-117907
vendor_mozilla
CVE-2026-117907 Mozilla Foundation Security Advisory 2026-118: CVE-2026-117907
Mozilla Foundation Security Advisory 2026-118
CVE: CVE-2026-117907
Product: Firefox
Impact: low
Fixed in: Firefox 159
Mozilla
Mozilla Foundation Security Advisory 2026-120: CVE-2026-117907
vendor_mozilla
CVE-2026-117907 Mozilla Foundation Security Advisory 2026-120: CVE-2026-117907
Mozilla Foundation Security Advisory 2026-120
CVE: CVE-2026-117907
Product: Firefox ESR
Impact: low
Fixed in: Firefox ESR 153.6
GHSA
Use-after-free in the Networking component.
ghsa_unreviewed·2026-10-27
CVE-2026-117907 Use-after-free in the Networking component.
Use-after-free in the Networking component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, and Firefox ESR 153.6.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://bugzilla.mozilla.org/show_bug.cgi?id=2079068https://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/
2026-10-27
Published