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Ubuntu Security Notice USN-6591-1
Posted Jan 22, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6591-1 - Timo Longin discovered that Postfix incorrectly handled certain email line endings. A remote attacker could possibly use this issue to bypass an email authentication mechanism, allowing domain spoofing and potential spamming. Please note that certain configuration changes are required to address this issue. They are not enabled by default for backward compatibility.

tags | advisory, remote, spoof
systems | linux, ubuntu
advisories | CVE-2023-51764
SHA-256 | cd5cc57d32efc49d552e07491f59c17b34bb117d5119591cdbe4d6acf87220b6

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