CVE-2026-94018
The Web add-on's HTTP server dereferences and releases an uninitialized pointer when it detects a…
- Risk score
- 64/100
- CVSS
- 8.8 v4.0
- Exploit chance (30 days)
- 0.4%
- Published
- 20 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- The Web add-on's HTTP server dereferences and releases an uninitialized pointer when it detects a Content-Length underflow while processing a PUT request. The condition is reachable by an unauthenticated remote client with a single malformed request.
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Amber
- CVSS 8.8 high
- Remotely exploitable without logging in
References
Original description
The Web add-on's HTTP server dereferences and releases an uninitialized pointer when it detects a `Content-Length` underflow while processing a `PUT` request. The condition is reachable by an unauthenticated remote client with a single malformed request.
Last activity 20 Oct 2026. Patch Forecast updates every hour.