Out-of-Bounds Affecting exim4 package, versions <4.96-7



    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High
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9.8 critical

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  • Snyk ID SNYK-DEBIAN12-EXIM4-3060278
  • published 24 Oct 2022
  • disclosed 20 Oct 2022

How to fix?

Upgrade Debian:12 exim4 to version 4.96-7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream exim4 package and not the exim4 package as distributed by Debian:12. See How to fix? for Debian:12 relevant fixed versions and status.

A vulnerability was found in Exim and classified as problematic. This issue affects the function dmarc_dns_lookup of the file dmarc.c of the component DMARC Handler. The manipulation leads to use after free. The attack may be initiated remotely. The name of the patch is 12fb3842f81bcbd4a4519d5728f2d7e0e3ca1445. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211919.