| Vulnerability Name: | CVE-2019-9821 (CCN-161342) | ||||||||||||||||||||||||||||||||
| Assigned: | 2019-05-21 | ||||||||||||||||||||||||||||||||
| Published: | 2019-05-21 | ||||||||||||||||||||||||||||||||
| Updated: | 2021-07-21 | ||||||||||||||||||||||||||||||||
| Summary: | A use-after-free vulnerability can occur in AssertWorkerThread due to a race condition with shared workers. This results in a potentially exploitable crash. This vulnerability affects Firefox < 67. | ||||||||||||||||||||||||||||||||
| CVSS v3 Severity: | 8.1 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H) 7.1 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
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| CVSS v2 Severity: | 6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
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| Vulnerability Type: | CWE-416 | ||||||||||||||||||||||||||||||||
| Vulnerability Consequences: | Denial of Service | ||||||||||||||||||||||||||||||||
| References: | Source: MITRE Type: CNA CVE-2019-9821 Source: MISC Type: Permissions Required, Vendor Advisory https://bugzilla.mozilla.org/show_bug.cgi?id=1539125 Source: XF Type: UNKNOWN firefox-cve20199821-dos(161342) Source: CCN Type: Mozilla Foundation Security Advisory 2019-13 Security vulnerabilities fixed in Firefox 67 Source: MISC Type: Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2019-13/ Source: CCN Type: WhiteSource Vulnerability Database CVE-2019-9821 | ||||||||||||||||||||||||||||||||
| Vulnerable Configuration: | Configuration 1: Denotes that component is vulnerable | ||||||||||||||||||||||||||||||||
| Oval Definitions | |||||||||||||||||||||||||||||||||
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