CVE-2019-10691 (GCVE-0-2019-10691)

Vulnerability from cvelistv5 – Published: 2019-04-24 16:49 – Updated: 2024-08-04 22:32
VLAI
Summary
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.
Severity
7.5 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • n/a
Assigner
References
URL Tags
http://www.openwall.com/lists/oss-security/2019/04/18/3 mailing-listx_refsource_MLIST
https://dovecot.org/list/dovecot-news/2019-April/… mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://security.gentoo.org/glsa/201908-29 vendor-advisoryx_refsource_GENTOO
Date Public
2019-04-18 00:00
Show details on NVD website
To clipboard 

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      "current_release_date": "2025-07-01T01:52:06Z",
      "cve": "CVE-2019-10691",
      "id": "CVE-2019-10691",
      "initial_release_date": "2023-02-15T04:13:22Z",
      "product_status:known_not_affected": "41",
      "product_status:recommended": "62",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2019-10691",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2019-10691.json",
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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

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