CVE-2022-31738: Medium severity Mozilla Firefox vulnerability
When exiting fullscreen mode, an iframe could have confused the browser about the current state of fullscreen, resulting in potential user confusion or spoofing attacks.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Firefoxto a version that resolves this vulnerability.Fixed in 101 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 101 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 91.10 - Upgrade
Upgrade
alpine/firefoxto a version that resolves this vulnerability.Fixed in 101.0-r0 - Upgrade
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alpine/firefox-esrto a version that resolves this vulnerability.Fixed in 91.10.0-r0 - Upgrade
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alpine/librewolfto a version that resolves this vulnerability.Fixed in 101.0-r0 - Upgrade
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alpine/thunderbirdto a version that resolves this vulnerability.Fixed in 91.10.0-r0 - Upgrade
Upgrade
debian/firefox-esrto a version that resolves this vulnerability.Fixed in 91.10.0esr-1 - Upgrade
Upgrade
debian/thunderbirdto a version that resolves this vulnerability.Fixed in 1:91.10.0-1 - Upgrade
Upgrade
debian/firefoxto a version that resolves this vulnerability.Fixed in 159.0.1-1 - 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
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2022-31738?
CVE-2022-31738 is classified as a moderate severity vulnerability.
How do I fix CVE-2022-31738?
To mitigate CVE-2022-31738, update to the latest version of Firefox or Thunderbird that resolves this issue.
Which versions of Firefox are affected by CVE-2022-31738?
CVE-2022-31738 affects Firefox versions prior to 101 and Firefox ESR versions prior to 91.10.
Can CVE-2022-31738 lead to user spoofing attacks?
Yes, CVE-2022-31738 can potentially enable spoofing attacks due to confusion around fullscreen state.
Is Firefox ESR impacted by CVE-2022-31738?
Yes, CVE-2022-31738 impacts Firefox ESR versions prior to 91.10.