Mozilla fixes CVE-2021-29991 in Firefox 91.0.1
Hello everyone,
Mozilla has fixed CVE-2021-29991 in Firefox 91.0.1. The details of the vulnerability fixed is as follows:
| Platform | CVE ID | Vulnerability | Impact |
| Firefox 91.0.1 | CVE-2021-29991 | Header Splitting possible with HTTP/3 Responses | High |
To patch this vulnerability on your Windows machines, initiate a sync between the Central Patch Repository and the Patch Manager Plus server. Once synced, search for the following Patch IDs or Bulletin ID and deploy them to your target systems.
| Patch ID | Bulletin ID | Patch Description |
| 320981 | TU-027 | Mozilla Firefox (91.0.1) |
| 320982 | TU-027 | Mozilla Firefox (x64) (91.0.1) |
Cheers,
The ManageEngine Team
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