Vulnerability CVE-2019-9820: Information

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.

Severity: CRITICAL (9.8) Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

URL: https://nvd.nist.gov/vuln/detail/CVE-2019-9820
Published: July 23, 2019
Modified: July 26, 2019
Error type identifier: CWE-416

Fixed packages

Package name
Branch
Fixed in version
Version from repository
Errata ID
Task #
State
firefoxsisyphus67.0-alt1125.0.2-alt1ALT-PU-2019-1941-1231216Fixed
firefoxp1067.0-alt1118.0.2-alt0.p10.1ALT-PU-2019-1941-1231216Fixed
firefoxp968.0.1-alt0.p9.1105.0.1-alt0.c9.1ALT-PU-2019-2479-1235125Fixed
firefoxp868.0.1-alt0.M80P.168.0.1-alt0.M80P.1ALT-PU-2019-2938-1236175Fixed
firefoxc10f167.0-alt1112.0.2-alt0.p10.1ALT-PU-2019-1941-1231216Fixed
firefoxc9f268.0.1-alt0.p9.1105.0.1-alt0.c9.1ALT-PU-2019-2479-1235125Fixed
firefoxc760.7.0-alt0.M70C.160.8.0-alt0.M70C.1ALT-PU-2019-2035-1231641Fixed
firefox-esrsisyphus68.0.1-alt1115.10.0-alt1ALT-PU-2019-2324-1234871Fixed
firefox-esrp1068.0.1-alt1115.10.0-alt1ALT-PU-2019-2324-1234871Fixed
firefox-esrp968.0.2-alt1102.11.0-alt0.c9.1ALT-PU-2019-2486-1235108Fixed
firefox-esrp860.7.0-alt0.M80P.168.4.1-alt0.M80P.1ALT-PU-2019-1903-1229794Fixed
firefox-esrc10f168.0.1-alt1115.9.1-alt0.c10.1ALT-PU-2019-2324-1234871Fixed
firefox-esrc9f268.0.2-alt1102.12.0-alt0.c9.1ALT-PU-2019-2486-1235108Fixed
thunderbirdsisyphus60.7.0-alt1115.9.0-alt1ALT-PU-2019-1876-1229642Fixed
thunderbirdp1060.7.0-alt1115.9.0-alt1ALT-PU-2019-1876-1229642Fixed
thunderbirdp960.7.0-alt1102.11.0-alt0.c9.1ALT-PU-2019-1879-1229750Fixed
thunderbirdp860.7.2-alt0.M80P.160.8.0-alt0.M80P.1ALT-PU-2019-2196-1216874Fixed
thunderbirdc10f160.7.0-alt1115.9.0-alt0.c10.1ALT-PU-2019-1876-1229642Fixed
thunderbirdc9f260.7.0-alt1102.11.0-alt0.c9.1ALT-PU-2019-1879-1229750Fixed
thunderbirdc760.8.0-alt0.M70C.160.8.0-alt0.M70C.1ALT-PU-2019-2345-1234994Fixed

References to Advisories, Solutions, and Tools

Hyperlink
Resource
https://www.mozilla.org/security/advisories/mfsa2019-15/
  • Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-14/
  • Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-13/
  • Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1536405
  • Permissions Required

    1. Configuration 1

      cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
      End excliding
      60.7
      cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
      End excliding
      67.0
      cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
      End excliding
      60.7.0
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