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This page tracks the Ubuntu fix status. The vulnerability itself is described on the main CVE page. View CVE-2023-0464 →
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UBUNTU-CVE-2023-0464

A security vulnerability has been identified in all supported versions of OpenSSL related to the verification of X.509 certificate chains that include...

Original description

The description as published by the source.

A security vulnerability has been identified in all supported versions of OpenSSL related to the verification of X.509 certificate chains that include policy constraints. Attackers may be able to exploit this vulnerability by creating a malicious certificate chain that triggers exponential use of computational resources, leading to a denial-of-service (DoS) attack on affected systems. Policy processing is disabled by default but can be enabled by passing the -policy' argument to the command line utilities or by calling the X509_VERIFY_PARAM_set1_policies()' function.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Ubuntu:Pro:14.04:LTS openssl
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.1f-1ubuntu2.27+esm7"}]}]
Ubuntu:Pro:16.04:LTS openssl
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.2g-1ubuntu4.20+esm7"}]}]
Ubuntu:Pro:16.04:LTS edk2
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:Pro:FIPS-updates:16.04:LTS openssl
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.2g-1ubuntu4.fips.4.20.7"}]}]
Ubuntu:Pro:FIPS:16.04:LTS openssl
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS openssl
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.1-1ubuntu2.1~18.04.22"}]}]
Ubuntu:18.04:LTS openssl1.0
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.2n-1ubuntu5.12"}]}]
Ubuntu:Pro:18.04:LTS edk2
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:Pro:FIPS-updates:18.04:LTS openssl
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.1-1ubuntu2.fips.2.1~18.04.22"}]}]
Ubuntu:Pro:FIPS:18.04:LTS openssl
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS openssl
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.1f-1ubuntu2.18"}]}]
Ubuntu:Pro:20.04:LTS edk2
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:Pro:FIPS-updates:20.04:LTS openssl
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.1f-1ubuntu2.fips.18"}]}]
Ubuntu:Pro:FIPS:20.04:LTS openssl
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS edk2
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2022.02-3ubuntu0.22.04.4"}]}]
Ubuntu:22.04:LTS openssl
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.2-0ubuntu1.9"}]}]
Ubuntu:Pro:22.04:LTS nodejs
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

References

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