vulnerability
Arch Linux: Denial of service (CVE-2021-20201)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:N/A:P) | May 28, 2021 | Jul 11, 2025 | Mar 25, 2026 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
May 28, 2021
Added
Jul 11, 2025
Modified
Mar 25, 2026
Description
An issue was discovered in SPICE server before version 0.15.0. There is a vulnerability which might make it easier for remote attackers to cause a denial of service (CPU consumption) by performing many renegotiations within a single connection.
Solution
arch-linux-upgrade-latest
References
- CVE-2021-20201
- https://attackerkb.com/topics/CVE-2021-20201
- https://blog.qualys.com/product-tech/2011/10/31/tls-renegotiation-and-denial-of-service-attacks
- https://bugzilla.redhat.com/show_bug.cgi?id=1921846
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-7646
- https://security.archlinux.org/ASA-202107-12
- https://security.gentoo.org/glsa/202208-10
- CWE-400
- EUVD-EUVD-2021-7646
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