[MFSA-2021-37] Security Vulnerabilities fixed in Firefox 91.0.1 and Thunderbird 91.0.1
Severity
High
Affected Packages
2
Fixed Packages
2
CVEs
1
- CVE-2021-29991: Header Splitting possible with HTTP/3 Responses (high) Firefox incorrectly accepted a newline in a HTTP/3 header, interpretting it as two separate headers. This allowed for a header splitting attack against servers using HTTP/3.
| Package | Affected Version |
|---|---|
 pkg:mozilla/Thunderbird
|
< 91.0.1 |
|
pkg:mozilla/Firefox
|
< 91.0.1 |
| Package | Fixed Version |
|---|---|
|
pkg:mozilla/Thunderbird
|
= 91.0.1 |
|
pkg:mozilla/Firefox
|
= 91.0.1 |
- ID
- MFSA-2021-37
- Severity
- high
- URL
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-37
- Published
-
2021-08-16T00:00:00
(3 years ago) - Modified
-
2021-08-16T00:00:00
(3 years ago) - Other Advisories
ALPINE:CVE-2021-29991
openSUSE-SU-2021:1367-1
SUSE-SU-2021:3191-1
USN-5047-1| Source | # ID | Name | URL |
|---|---|---|---|
| Bugzilla | 1724896 |
|
| Type | Package URL | Namespace | Name / Product | Version | Distribution / Platform | Arch | Patch / Fix |
|---|---|---|---|---|---|---|---|
| Affected | pkg:mozilla/Thunderbird |
Thunderbird
|
< 91.0.1 | ||||
| Fixed | pkg:mozilla/Thunderbird |
Thunderbird
|
= 91.0.1 | ||||
| Affected | pkg:mozilla/Firefox |
Firefox
|
< 91.0.1 | ||||
| Fixed | pkg:mozilla/Firefox |
Firefox
|
= 91.0.1 |
| # CVE | Description | CVSS | EPSS | EPSS Trend (30 days) | Affected Products | Weaknesses | Security Advisories | Exploits | PoC | Pubblication Date | Modification Date |
|---|---|---|---|---|---|---|---|---|---|---|---|
| # CVE | Description | CVSS | EPSS | EPSS Trend (30 days) | Affected Products | Weaknesses | Security Advisories | PoC | Pubblication Date | Modification Date |