CVE-2019-10691

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

2.80% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 85.5% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2019-04-24 16:49Z7 YR AGO

Last updated

2024-08-04 22:32Z2 YR AGO

Reserved

2019-04-02

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-228Improper Handling of Syntactically Invalid StructureClass

Data version

5.1

Document digest

d94f586b268470e281c2aec0e021364ac2c450945d761e68100c09b68ea77b11

• www.openwall.com[oss-security] 20190418 CVE-2019-10691: JSON encoder in Dovecot 2.3 incorrecty assert-crashes when encountering invalid UTF-8 characters.http://www.openwall.com/lists/oss-security/2019/04/18/3mailing-listx_refsource_MLIST
• dovecot.org[dovecot-news] 20190418 CVE-2019-10691: JSON encoder in Dovecot 2.3 incorrecty assert-crashes when encountering invalid UTF-8 characters.https://dovecot.org/list/dovecot-news/2019-April/000406.htmlmailing-listx_refsource_MLIST
• lists.opensuse.orgopenSUSE-SU-2019:1312http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00000.htmlvendor-advisoryx_refsource_SUSE
• lists.fedoraproject.orgFEDORA-2019-1b61a528ddhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/vendor-advisoryx_refsource_FEDORA
• security.gentoo.orgGLSA-201908-29https://security.gentoo.org/glsa/201908-29vendor-advisoryx_refsource_GENTOO