Description
The Raccoon attack is a timing attack on DHE ciphersuites inherit in the TLS specification. To mitigate this vulnerability, Firefox disabled support for DHE ciphersuites.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mozilla | Firefox | unspecified – < 78 | 78 |
| Mozilla | Firefox ESR | unspecified – < 68.10 | 68.10 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | nss | 2:3.17-1 | — |
| Debian 13 | nss | 2:3.17-1 | — |
| Debian 12 | nss | 2:3.17-1 | — |
Advisories 1
- WID-SEC-2022-1723 TLS: Mehrere Schwachstellen ermöglichen Umgehen von Sicherheitsvorkehrungen BSI CERT-Bund (WID) · Oct 20, 2025