CVE-2021-32920

high
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
8.0

Description

Prosody before 0.11.9 allows Uncontrolled CPU Consumption via a flood of SSL/TLS renegotiation requests.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-32920

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-202105-11

OS impact

OSVersionStatusFixed in
arch archfixed1:0.11.9-1
debian debianbookwormfixed0.11.9-1
debian debianbullseyefixed0.11.9-1
debian debianforkyfixed0.11.9-1
debian debiansidfixed0.11.9-1
debian debiantrixiefixed0.11.9-1

References

Verify integrity in audit chain (admin only). AS-IS.