CVE-2019-17021
MEDIUM 5.3EPSS 1.9%
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.
- Affected
- Mozilla · Firefox ESR · Firefox
- CVSS v3.1 NVD
- 5.3 MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N - CVSS v2.0 NVD
- 2.6 LOW
AV:N/AC:H/Au:N/C:P/I:N/A:N - EPSS
- 1.87% chance of exploitation in the next 30 days, 79th percentile
- Published
- 2020-01-08
- Updated
- 2024-08-05
Proof-of-concept exploits (2)
- http://packetstormsecurity.com/files/155912/Slackware-Security-Advisory-mozilla-thunderbi…
- https://bugzilla.mozilla.org/show_bug.cgi?id=1599008
Security advisories
- https://www.mozilla.org/security/advisories/mfsa2020-01
- https://www.mozilla.org/security/advisories/mfsa2020-02
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00029.html
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00043.html
- https://seclists.org/bugtraq/2020/Jan/18