CVE-2026-94055

Exim before 4.100.1, when certain non-default TLS settings are used with GnuTLS, has a use-after-free...

CVE-2026-94055

Exim before 4.100.1, when certain non-default TLS settings are used with GnuTLS, has a use-after-free...

CVE-2026-94055

Exim versions prior to 4.100.1 are vulnerable to a use-after-free flaw when utilized with GnuTLS under specific non-default TLS settings. This vulnerability could allow a remote attacker to trigger a system crash, resulting in a denial of service (DoS) . To mitigate this risk, users should disabl...

CVE-2026-94055

Exim before 4.100.1, when certain non-default TLS settings are used with GnuTLS, has a use-after-free...

CVE-2026-94055

Exim before 4.100.1, when certain non-default TLS settings are used with GnuTLS, has a use-after-free...

CVE-2026-94055

Exim before 4.100.1, when certain non-default TLS settings are used with GnuTLS, has a use-after-free...

CVE-2026-94054

Exim before 4.100.1, when Proxy-Protocol is used with an attacker-controlled proxy, has an out-of-bounds write...

CVE-2026-94054

Exim before 4.100.1, when Proxy-Protocol is used with an attacker-controlled proxy, has an out-of-bounds write...

CVE-2026-94054

Exim prior to 4.100.1 is vulnerable to an out-of-bounds write when Proxy-Protocol is used with an attacker-controlled proxy. The vulnerability is network-reachable with no required privileges but has high attack complexity , yielding a CVSS 3.1 base score of 7.0 (HIGH) with impacts of low confide...

CVE-2026-94054

Exim before 4.100.1, when Proxy-Protocol is used with an attacker-controlled proxy, has an out-of-bounds write...

CVE-2026-94054

Exim before 4.100.1, when Proxy-Protocol is used with an attacker-controlled proxy, has an out-of-bounds write...

PT-2026-95878

Name of the Vulnerable Software and Affected Versions Exim versions prior to 4.100.1 Description An out-of-bounds write occurs when Proxy-Protocol is used with a proxy controlled by an attacker. An out-of-bounds write is a memory corruption error where data is written outside the intended boundar...

CVE-2026-94057: Improper Neutralization of CRLF Sequences

Exim before 4.100.1 allows SMTP smuggling in which the received message does not match any sent message, and instead depends on crafted data sent after a rejection during DATA processing...

CVE-2026-94056: Use of Uninitialized Resource

Exim before 4.100.1, when Proxy-Protocol is used with an attacker-controlled proxy, allows attackers to read certain uninitialized data from stack memory...

CVE-2026-94055: Use After Free

Exim before 4.100.1, when certain non-default TLS settings are used with GnuTLS, has a use-after-free...

CVE-2026-94054: Out-of-bounds Write

Exim before 4.100.1, when Proxy-Protocol is used with an attacker-controlled proxy, has an out-of-bounds write...

PT-2026-95880

Name of the Vulnerable Software and Affected Versions Exim versions prior to 4.100.1 Description When Proxy-Protocol is used with an attacker-controlled proxy, the software allows attackers to read certain uninitialized data from stack memory. Recommendations Update to version 4.100.1 or later...

PT-2026-95881

Name of the Vulnerable Software and Affected Versions Exim versions prior to 4.100.1 Description An issue allows SMTP smuggling, a technique where a sender can bypass security filters to deliver messages that differ from what the sending server recorded. This occurs when the received message...

PT-2026-95879

Name of the Vulnerable Software and Affected Versions Exim versions prior to 4.100.1 Description A use-after-free issue exists when specific non-default TLS settings are utilized in conjunction with GnuTLS. A use-after-free is a memory corruption flaw where an application continues to use a point...

Astra Linux – Vulnerability in exim4

Exim 4 before 4.94.2 allows Integer Overflow to Buffer Overflow, because getstdinput allows unbounded reads that are accompanied by unbounded increases in a certain size variable. NOTE: Exploitation may be impractical due to the execution time required to cause an overflow multiple days...