CVE-2022-22763: Race Condition
When a worker is shutdown, it was possible to cause script to run late in the lifecycle, at a point after where it should not be possible.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Firefox ESRto a version that resolves this vulnerability.Fixed in 91.6 - Upgrade
Upgrade
debian/firefox-esrto a version that resolves this vulnerability.Fixed in 140.12.0esr-1~deb12u1Fixed in 153.6.0esr-1~deb12u2Fixed in 140.15.0esr-1~deb13u1Fixed in 153.6.0esr-1~deb13u1Fixed in 153.5.1esr-1Fixed in 153.6.0esr-1 - Upgrade
Upgrade
debian/thunderbirdto a version that resolves this vulnerability.Fixed in 1:140.12.0esr-1~deb12u1Fixed in 1:153.6.0esr-1~deb12u2Fixed in 1:140.12.0esr-1~deb13u1Fixed in 1:153.6.0esr-1~deb13u1Fixed in 1:153.5.0esr-1Fixed in 1:153.6.0esr-1 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 91.6 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 96 - Upgrade
Upgrade
alpine/firefox-esrto a version that resolves this vulnerability.Fixed in 91.6.0-r0 - Upgrade
Upgrade
alpine/thunderbirdto a version that resolves this vulnerability.Fixed in 91.6.0-r0 - Upgrade
Upgrade
debian/firefox-esrto a version that resolves this vulnerability.Fixed in 91.6.0esr-1 - Upgrade
Upgrade
debian/thunderbirdto a version that resolves this vulnerability.Fixed in 1:91.6.0-1
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2022-22753
- CVE-2022-22754
- CVE-2022-22756
- CVE-2022-22759
- CVE-2022-22760
- CVE-2022-22761
- CVE-2022-22763
- CVE-2022-22764
- DLA-2916-1
- DLA-2921-1
- CVE-2022-22746
- CVE-2022-22743
- CVE-2022-22742
- CVE-2022-22741
- CVE-2022-22740
- CVE-2022-22738
- CVE-2022-22737
- CVE-2021-4140
- CVE-2022-22750
- CVE-2022-22749
- CVE-2022-22748
- CVE-2022-22745
- CVE-2022-22744
- CVE-2022-22747
- CVE-2022-22736
- CVE-2022-22739
- CVE-2022-22751
- CVE-2022-22752
Frequently Asked Questions
What is the severity of CVE-2022-22763?
The severity of CVE-2022-22763 is medium.
Which software versions are affected by CVE-2022-22763?
Mozilla Firefox ESR versions up to but not including 91.6, Mozilla Thunderbird versions up to but not including 91.6, and Mozilla Firefox versions up to but not including 96 are affected by CVE-2022-22763.
How can CVE-2022-22763 be exploited?
An attacker could exploit CVE-2022-22763 by causing a script to run late in the lifecycle of a worker after it has been shutdown.
Is there a fix available for CVE-2022-22763?
Yes, Mozilla has released fixes for CVE-2022-22763. Users are advised to update to the latest versions of Mozilla Firefox ESR and Mozilla Thunderbird to mitigate the vulnerability.
Where can I find more information about CVE-2022-22763?
More information about CVE-2022-22763 can be found in the Mozilla bugzilla and the Mozilla security advisories mfsa2022-05 and mfsa2022-06.