CVE-2018-21018

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

Mastodon before 2.6.3 mishandles timeouts of incompletely established sessions.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-613

Affected software

No affected versions have been published.

Timeline

Published
Sep 22, 2019
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2018

CVE-2018-210197.5Home Assistant before 0.67.0 was vulnerable to an information disclosure that allowed an unauthenticated attacker to read the application's CVE-2018-210207.5In very rare cases, a PHP type juggling vulnerability in centreonAuth.class.php in Centreon Web before 2.8.27 allows attackers to bypass autCVE-2018-210218.8img_gantt.php in Centreon Web before 2.8.27 allows attackers to perform SQL injections via the host_id parameter.CVE-2018-210228.8makeXML_ListServices.php in Centreon Web before 2.8.28 allows attackers to perform SQL injections via the host_id parameter.CVE-2018-210238.8getStats.php in Centreon Web before 2.8.28 allows authenticated attackers to execute arbitrary code via the ns_id parameter.CVE-2018-210249.8licenseUpload.php in Centreon Web before 2.8.27 allows attackers to upload arbitrary files via a POST request.CVE-2018-210259.8In Centreon VM through 19.04.3, centreon-backup.pl allows attackers to become root via a crafted script, due to incorrect rights of sourced CVE-2018-210267.5A vulnerability in Hitachi Command Suite 7.x and 8.x before 8.6.5-00 allows an unauthenticated remote user to read internal information.CVE-2018-210279.8Boa through 0.94.14rc21 allows remote attackers to trigger an out-of-memory (OOM) condition because malloc is mishandled.CVE-2018-210287.5Boa through 0.94.14rc21 allows remote attackers to trigger a memory leak because of missing calls to the free function.CVE-2018-210299.8systemd 239 through 245 accepts any certificate signed by a trusted certificate authority for DNS Over TLS. Server Name Indication (SNI) is CVE-2018-210305.3Jupyter Notebook before 5.5.0 does not use a CSP header to treat served files as belonging to a separate origin. Thus, for example, an XSS p
CVE-2018-21018: Critical severity, CVSS 9.8 | Vulnix