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exim4

Exim versions before 4.100.1 have an out-of-bounds write vulnerability when the Proxy-Protocol feature is used with an attacker-controlled proxy. This flaw can lead to a partial loss of confidentiality, a high impact on integrity, and a low impact on availability. The vulnerability affects many specific Ubuntu package versions of Exim4. The CVSS score is 7.0, indicating a medium severity level.

Exim before version 4.100.1 contains an out-of-bounds write vulnerability triggered when the Proxy-Protocol is used with a proxy controlled by an attacker. This vulnerability allows an attacker to cause memory corruption, potentially impacting the integrity of the system and partially compromising confidentiality. The issue is specific to the Proxy-Protocol feature and affects numerous Ubuntu-specific Exim4 package versions as listed. The CVSS 3.1 base score is 7.0 with vector AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:L.

Detailed information about Exim4: Exim before 4.100.1, when Proxy-Protocol is used with an attacker-controlled proxy, has an out-of-bounds write. (CVE-2026-9405

Exim4: Exim before 4.100.1, when Proxy-Protocol is used with an attacker-controlled proxy, has an out-of-bounds write. (CVE-2026-94054) - Live Threat Intelligence - Threat Radar | OffSeq.com

Exim4: Exim before 4.100.1, when Proxy-Protocol is used with an attacker-controlled proxy, has an out-of-bounds write. (CVE-2026-94054)

Threats Tagged 'ubuntu-cve-2026-94054'

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Threats Tagged 'ubuntu-cve-2026-94054'

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