CVE-2026-100795
published 2026-09-29CVE-2026-100795: Denial-of-service in the Networking component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.
PriorityP428medium6.5CVSS 3.1
AVNACLPRNUIRSUCNINAH
EPSS
0.28%
19.3th percentile
Denial-of-service in the Networking component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| mozilla | firefox | < Firefox 157 | Firefox 157 |
| mozilla | firefox | < 157.0.0 | 157.0.0 |
| mozilla | thunderbird | < Thunderbird 157 | Thunderbird 157 |
| mozilla | thunderbird | < 157.0 | 157.0 |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
vendor_redhat6.5MEDIUM
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Red Hat
firefox: Denial-of-service in the Networking component
vendor_redhat·2026-09-29·CVSS 6.5
CVE-2026-100795 [MEDIUM] CWE-770 firefox: Denial-of-service in the Networking component
firefox: Denial-of-service in the Networking component
Denial-of-service in the Networking component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.
A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue:
Denial-of-service in the Networking component
Statement: Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.
Mitigation: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
Package: firefox (Red Hat Enterprise Linux 10) - Not affected
Package: rhel10/firefox-flatpak (Red Hat E
Mozilla
Mozilla Foundation Security Advisory 2026-97: CVE-2026-100795
vendor_mozilla·CVSS 6.5
CVE-2026-100795 [MEDIUM] Mozilla Foundation Security Advisory 2026-97: CVE-2026-100795
Mozilla Foundation Security Advisory 2026-97
CVE: CVE-2026-100795
Product: Firefox
Impact: low
Fixed in: Firefox 157
Mozilla
Mozilla Foundation Security Advisory 2026-101: CVE-2026-100795
vendor_mozilla·CVSS 6.5
CVE-2026-100795 [MEDIUM] Mozilla Foundation Security Advisory 2026-101: CVE-2026-100795
Mozilla Foundation Security Advisory 2026-101
CVE: CVE-2026-100795
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 157
GHSA
Denial-of-service in the Networking component.
ghsa_unreviewed·2026-09-29
CVE-2026-100795 [MEDIUM] CWE-770 Denial-of-service in the Networking component.
Denial-of-service in the Networking component. This vulnerability was fixed in Firefox 157.
No detection rules found.
No public exploits indexed.
2026-09-29
Published