CVE-2023-6866

Description

TypedArrays can be fallible and lacked proper exception handling. This could lead to abuse in other APIs which expect TypedArrays to always succeed. This vulnerability affects Firefox < 121.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.93% Top 30%
Vendor Advisory mozilla.org
Affected: Mozilla Firefox
Published at:
Updated at:

References

Link Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=1849037 issue tracking permissions required
https://www.mozilla.org/security/advisories/mfsa2023-56/ vendor advisory
https://security.gentoo.org/glsa/202401-10 third party advisory

Frequently Asked Questions

What is the severity of CVE-2023-6866?
CVE-2023-6866 has been scored as a high severity vulnerability.
How to fix CVE-2023-6866?
To fix CVE-2023-6866, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-6866 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-6866 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-6866?
CVE-2023-6866 affects Mozilla Firefox.
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