vulnerability
Arch Linux: Denial of service (CVE-2019-17023)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:N/I:P/A:N) | Jan 8, 2020 | Jul 11, 2025 | Nov 27, 2025 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
Jan 8, 2020
Added
Jul 11, 2025
Modified
Nov 27, 2025
Description
A security issue has been found in the NSS component of Firefox before 72.0. After a HelloRetryRequest has been sent, the client may negotiate a lower protocol that TLS 1.3, resulting in an invalid state transition in the TLS State Machine. If the client gets into this state, incoming Application Data records will be ignored.
Solution
arch-linux-upgrade-latest
References
- CVE-2019-17023
- https://attackerkb.com/topics/CVE-2019-17023
- URL-https://bugzilla.mozilla.org/show_bug.cgi?id=1590001
- URL-https://security.archlinux.org/ASA-202001-1
- URL-https://usn.ubuntu.com/4234-1/
- URL-https://usn.ubuntu.com/4397-1/
- URL-https://www.debian.org/security/2020/dsa-4726
- URL-https://www.mozilla.org/en-US/security/advisories/mfsa2020-01/
- URL-https://www.mozilla.org/security/advisories/mfsa2020-01/
- CWE-287
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