- Vulnerability/
- USN-6435-2
USN-6435-2: OpenSSL vulnerabilities
First published: Wed Oct 25 2023(Updated: )
USN-6435-1 fixed vulnerabilities in OpenSSL. This update provides the corresponding updates for Ubuntu 20.04 LTS. Original advisory details: It was discovered that OpenSSL incorrectly handled excessively large Diffie-Hellman parameters. An attacker could possibly use this issue to cause a denial of service. (CVE-2023-3446) Bernd Edlinger discovered that OpenSSL incorrectly handled excessively large Diffie-Hellman parameters. An attacker could possibly use this issue to cause a denial of service. (CVE-2023-3817)
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/libssl1.1 | <1.1.1f-1ubuntu2.20 | 1.1.1f-1ubuntu2.20 |
| =20.04 | ||
| All of | ||
| ubuntu/openssl | <1.1.1f-1ubuntu2.20 | 1.1.1f-1ubuntu2.20 |
| =20.04 |
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Reference Links
- https://ubuntu.com/security/CVE-2023-3446
- https://ubuntu.com/security/CVE-2023-3817
- https://ubuntu.com/security/notices/USN-6435-1
- https://ubuntu.com/security/notices/USN-6450-1
- https://ubuntu.com/security/notices/USN-6709-1
- https://launchpad.net/ubuntu/+source/openssl/1.1.1f-1ubuntu2.20
- https://ubuntu.com/security/notices/USN-6435-2 (Advisory)
Frequently Asked Questions
What is the severity of USN-6435-2?
The severity of USN-6435-2 is not specified in the information provided.
How do I fix USN-6435-2?
To fix USN-6435-2, update the affected software to version 1.1.1f-1ubuntu2.20 or later.
What is the affected software for USN-6435-2?
The affected software for USN-6435-2 is libssl1.1 and openssl on Ubuntu 20.04 LTS.
What are the CVEs associated with USN-6435-2?
The CVEs associated with USN-6435-2 are CVE-2023-3446 and CVE-2023-3817.
Where can I find more information about USN-6435-2?
More information about USN-6435-2 can be found at the following references: [CVE-2023-3446](https://ubuntu.com/security/CVE-2023-3446), [CVE-2023-3817](https://ubuntu.com/security/CVE-2023-3817), [USN-6435-1](https://ubuntu.com/security/notices/USN-6435-1).
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