CVE-2021-29963: Medium severity Mozilla Firefox vulnerability
Address bar search suggestions in private browsing mode were re-using session data from normal mode. This bug only affects Firefox for Android. Other operating systems are unaffected.
Other sources
Address bar search suggestions in private browsing mode were re-using session data from normal mode. This bug only affects Firefox for Android. Other operating systems are unaffected.. This vulnerability affects Firefox < 89.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Firefoxto a version that resolves this vulnerability.Fixed in 89 - Upgrade
Upgrade
alpine/firefoxto a version that resolves this vulnerability.Fixed in 89.0-r0 - Upgrade
Upgrade
alpine/librewolfto a version that resolves this vulnerability.Fixed in 89.0-r0
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2021-29963?
CVE-2021-29963 is considered a moderate severity vulnerability affecting Firefox for Android.
How do I fix CVE-2021-29963?
To fix CVE-2021-29963, update your Firefox for Android to version 89 or later.
Which software versions are affected by CVE-2021-29963?
CVE-2021-29963 affects Firefox for Android versions prior to 89.
Does CVE-2021-29963 affect desktop versions of Firefox?
No, CVE-2021-29963 only affects the Android version of Firefox, not desktop versions.
How does CVE-2021-29963 impact user privacy?
CVE-2021-29963 can lead to unintended exposure of session data from normal browsing in private mode.