CVE-2019-10691
medium
CVSS v3
—
CVSS v2
—
VIR risk
5.5
Description
The JSON encoder in Dovecot before 2.3.5.2 allows attackers to repeatedly crash the authentication service by attempting to authenticate with an invalid UTF-8 sequence as the username.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2019-10691
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2019-10691.html
Vendor advisory: arch — https://security.archlinux.org/ASA-201904-9
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 2.3.5.2-1 | |
| sles | affected | | |
| debian | bookworm | fixed | 1:2.3.4.1-4 |
| debian | bullseye | fixed | 1:2.3.4.1-4 |
| debian | forky | fixed | 1:2.3.4.1-4 |
| debian | sid | fixed | 1:2.3.4.1-4 |
| debian | trixie | fixed | 1:2.3.4.1-4 |
References
Verify integrity in audit chain (admin only). AS-IS.