Upstream information
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.SUSE information
Overall state of this security issue: Does not affect SUSE products
National Vulnerability Database | |
---|---|
Base Score | 5 |
Vector | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Access Vector | Network |
Access Complexity | Low |
Authentication | None |
Confidentiality Impact | None |
Integrity Impact | None |
Availability Impact | Partial |
National Vulnerability Database | SUSE | |
---|---|---|
Base Score | 7.5 | 7.5 |
Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Attack Vector | Network | Network |
Attack Complexity | Low | Low |
Privileges Required | None | None |
User Interaction | None | None |
Scope | Unchanged | Unchanged |
Confidentiality Impact | None | None |
Integrity Impact | None | None |
Availability Impact | High | High |
CVSSv3 Version | 3 | 3 |
SUSE Security Advisories:
- SUSE-SU-2019:0997-1, published Tue Apr 23 16:09:56 MDT 2019
- openSUSE-SU-2019:1312-1, published Fri Dec 8 15:48:42 2023
- openSUSE-SU-2025:14715-1, published Fri Jan 31 18:50:50 2025
List of released packages
Product(s) | Fixed package version(s) | References |
---|---|---|
SUSE Linux Enterprise High Performance Computing 15 SUSE Linux Enterprise Module for Server Applications 15 SUSE Linux Enterprise Server 15 SUSE Linux Enterprise Server for SAP Applications 15 |
| Patchnames: SUSE-SLE-Module-Server-Applications-15-2019-997 |
openSUSE Leap 15.0 |
| Patchnames: openSUSE-2019-1312 |
openSUSE Tumbleweed |
| Patchnames: openSUSE-Tumbleweed-2024-10726 openSUSE-Tumbleweed-2025-14715 |
SUSE Timeline for this CVE
CVE page created: Mon Apr 15 11:54:01 2019CVE page last modified: Tue Jul 1 12:46:55 2025