Summary
USN-5168-3 fixed a vulnerability in NSS. Unfortunately that update introduced
a regression that could break SSL connections. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
Tavis Ormandy discovered that NSS incorrectly handled verifying DSA/RSA-PSS
signatures. A remote attacker could use this issue to cause NSS to crash,
resulting in a denial of service, or possibly execute arbitrary code.
Fixed packages 2
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · Pro 14.04 LTS Pro:14.04:LTS | nss | 2:3.28.4-0ubuntu0.14.04.5+esm10 |
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | nss | 2:3.28.4-0ubuntu0.16.04.14+esm2 |
Vulnerabilities 1
-
Unscored —CVE-2021-43527 EPSS 18%
NSS (Network Security Services) versions prior to 3.73 or 3.68.1 ESR are vulnerable to a heap overflow when handling DE…
References
-
report
https://ubuntu.com/security/CVE-2021-43527