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CVE-2019-10691

high CVSS 7.5 EPSS 2.8%

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.

Versions it affects

Software versions checked with the free lookup that CVE-2019-10691 applies to, and the release that fixes it where the sources name one.

At a glance

Severity: High
CVSS base score: 7.5 out of 10
Known exploited: Not in CISA's catalogue of exploited vulnerabilities
EPSS: 2.8% probability of exploitation in the next 30 days, higher than 86% of scored vulnerabilities
Published: 2019-04-24

NVD CVE.org

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