Patch Forecast
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CVE-2026-100805

Race condition, use-after-free in the Audio/Video component

Risk score
52/100
CVSS
7.5 v3.1
Exploit chance (30 days)
0.2%
Published
29 Sep 2026

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What to know

What it is
Race condition, use-after-free in the Audio/Video component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.
Affected
Firefox
Fix
Apply the vendor's security update; see the linked advisory.
Exploitation
No known exploitation

Why it is Yellow

  • CVSS 7.5 high
  • Remotely exploitable without logging in

References

Original description

Race condition, use-after-free in the Audio/Video component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.

Last activity 29 Sep 2026. Patch Forecast updates every hour.