CVE-2019-17021

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

During the initialization of a new content process, a race condition occurs that can allow a content process to disclose heap addresses from the parent process. *Note: this issue only occurs on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 68.4 and Firefox < 72.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jan 8, 2020
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2019

CVE-2019-170226.1When pasting a &lt;style&gt; tag from the clipboard into a rich text editor, the CSS sanitizer does not escape &lt; and &gt; characters. BecCVE-2019-170236.5After a HelloRetryRequest has been sent, the client may negotiate a lower protocol that TLS 1.3, resulting in an invalid state transition inCVE-2019-170248.8Mozilla developers reported memory safety bugs present in Firefox 71 and Firefox ESR 68.3. Some of these bugs showed evidence of memory corrCVE-2019-170258.8Mozilla developers reported memory safety bugs present in Firefox 71. Some of these bugs showed evidence of memory corruption and we presumeCVE-2019-170268.8Incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type confusion. We are aware of targeted atCVE-2019-17038.6A vulnerability in the internal packet-processing functionality of Cisco Firepower Threat Defense (FTD) Software for the Cisco Firepower 210CVE-2019-17047.5Multiple vulnerabilities in the Server Message Block (SMB) Protocol preprocessor detection engine for Cisco Firepower Threat Defense (FTD) SCVE-2019-170409.8contrib/pmdb2diag/pmdb2diag.c in Rsyslog v8.1908.0 allows out-of-bounds access because the level length is mishandled.CVE-2019-170419.8An issue was discovered in Rsyslog v8.1908.0. contrib/pmaixforwardedfrom/pmaixforwardedfrom.c has a heap overflow in the parser for AIX log CVE-2019-170429.8An issue was discovered in Rsyslog v8.1908.0. contrib/pmcisconames/pmcisconames.c has a heap overflow in the parser for Cisco log messages. CVE-2019-170437.8An issue was discovered in BMC Patrol Agent 9.0.10i. Weak execution permissions on the best1collect.exe SUID binary could allow an attacker CVE-2019-170447.8An issue was discovered in BMC Patrol Agent 9.0.10i. Weak execution permissions on the PatrolAgent SUID binary could allow an attacker with
CVE-2019-17021: Medium severity, CVSS 5.3 | Vulnix