VDB
CVE-2019-10691
CVE-2019-10691
REJECTED
CVSS 7.5 HIGH
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.
EPSS 2.80% · 86.3th percentile
Risk Scores
CVSS 3.0
7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
2.80%
86.3th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | dovecot | 0, 1:2.2.18-2ubuntu2, 1:2.2.22-1ubuntu1 |
| Ubuntu:18.04:LTS | dovecot | *, 1:2.2.27-3ubuntu1, 1:2.2.33.2-1ubuntu2 |
| Ubuntu:14.04:LTS | dovecot | 0, 1:2.2.9-1ubuntu1, 1:2.2.9-1ubuntu2 |
Timeline
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Oct 27, 2021 EPSS Score
- Dec 29, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Mar 2, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 4, 2022 EPSS Score
- Sep 8, 2022 EPSS Score
- Nov 10, 2022 EPSS Score
- Jan 12, 2023 EPSS Score
- Mar 16, 2023 EPSS Score
References
- https://dovecot.org/list/dovecot-news/2019-April/000406.html third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2019-10691 third-party-advisory
- https://ubuntu.com/security/CVE-2019-10691 advisory
- https://ubuntu.com/security/notices/USN-3951-1 advisory