Vulnerabilities (CVE)

Filtered by vendor Exim Subscribe
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2020-28026 1 Exim 1 Exim 2022-07-12 9.3 HIGH 9.8 CRITICAL
Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters, relevant in non-default configurations that enable Delivery Status Notification (DSN). Certain uses of ORCPT= can place a newline into a spool header file, and indirectly allow unauthenticated remote attackers to execute arbitrary commands as root.
CVE-2019-10149 1 Exim 1 Exim 2021-10-28 10.0 HIGH 9.8 CRITICAL
A flaw was found in Exim versions 4.87 to 4.91 (inclusive). Improper validation of recipient address in deliver_message() function in /src/deliver.c may lead to remote command execution.
CVE-2020-28020 1 Exim 1 Exim 2021-09-03 7.5 HIGH 9.8 CRITICAL
Exim 4 before 4.92 allows Integer Overflow to Buffer Overflow, in which an unauthenticated remote attacker can execute arbitrary code by leveraging the mishandling of continuation lines during header-length restriction.
CVE-2019-16928 3 Canonical, Debian, Exim 3 Ubuntu Linux, Debian Linux, Exim 2021-07-21 7.5 HIGH 9.8 CRITICAL
Exim 4.92 through 4.92.2 allows remote code execution, a different vulnerability than CVE-2019-15846. There is a heap-based buffer overflow in string_vformat in string.c involving a long EHLO command.
CVE-2018-6789 3 Canonical, Debian, Exim 3 Ubuntu Linux, Debian Linux, Exim 2021-06-03 7.5 HIGH 9.8 CRITICAL
An issue was discovered in the base64d function in the SMTP listener in Exim before 4.90.1. By sending a handcrafted message, a buffer overflow may happen. This can be used to execute code remotely.
CVE-2020-28018 1 Exim 1 Exim 2021-05-26 7.5 HIGH 9.8 CRITICAL
Exim 4 before 4.94.2 allows Use After Free in smtp_reset in certain situations that may be common for builds with OpenSSL.
CVE-2020-28017 1 Exim 1 Exim 2021-05-10 7.5 HIGH 9.8 CRITICAL
Exim 4 before 4.94.2 allows Integer Overflow to Buffer Overflow in receive_add_recipient via an e-mail message with fifty million recipients. NOTE: remote exploitation may be difficult because of resource consumption.
CVE-2020-28022 1 Exim 1 Exim 2021-05-10 7.5 HIGH 9.8 CRITICAL
Exim 4 before 4.94.2 has Improper Restriction of Write Operations within the Bounds of a Memory Buffer. This occurs when processing name=value pairs within MAIL FROM and RCPT TO commands.
CVE-2020-28024 1 Exim 1 Exim 2021-05-10 7.5 HIGH 9.8 CRITICAL
Exim 4 before 4.94.2 allows Buffer Underwrite that may result in unauthenticated remote attackers executing arbitrary commands, because smtp_ungetc was only intended to push back characters, but can actually push back non-character error codes such as EOF.
CVE-2017-16943 2 Debian, Exim 2 Debian Linux, Exim 2021-05-04 7.5 HIGH 9.8 CRITICAL
The receive_msg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via vectors involving BDAT commands.
CVE-2019-15846 2 Debian, Exim 2 Debian Linux, Exim 2020-08-24 10.0 HIGH 9.8 CRITICAL
Exim before 4.92.2 allows remote attackers to execute arbitrary code as root via a trailing backslash.
CVE-2019-13917 2 Debian, Exim 2 Debian Linux, Exim 2019-09-07 10.0 HIGH 9.8 CRITICAL
Exim 4.85 through 4.92 (fixed in 4.92.1) allows remote code execution as root in some unusual configurations that use the ${sort } expansion for items that can be controlled by an attacker (e.g., $local_part or $domain).