CVEvulnerability
CVE-2019-9820
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2019-07-23
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 9.8 CRITICAL — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-416
Description
A use-after-free vulnerability can occur in the chrome event handler when it is freed while still in use. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.
Affected configurations
• mozilla firefox (< 67.0)
• mozilla firefox esr (< 60.7)
• mozilla thunderbird (< 60.7.0)
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1536405 Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2019-13/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-14/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-15/ Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1536405 Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2019-13/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-14/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-15/ Vendor Advisory