2186 matches found
USN-6455-2: Exim regression
USN-6455-1 fixed vulnerabilities in Exim. The fix for CVE-2023-42117 introduced a regression on Ubuntu 22.04 LTS that resulted in certain connections logging a Taint mismatch error. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered tha...
USN-6455-2 exim4 regression
USN-6455-1 fixed vulnerabilities in Exim. The fix for CVE-2023-42117 introduced a regression on Ubuntu 22.04 LTS that resulted in certain connections logging a Taint mismatch error. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered tha...
[SECURITY] Fedora 43 Update: exim-4.99.4-1.fc43
Exim is a message transfer agent MTA developed at the University of Cambridge for use on Unix systems connected to the Internet. It is freely available under the terms of the GNU General Public Licence. In style it is similar to Smail 3, but its facilities are more general. There is a great deal ...
[SECURITY] Fedora 44 Update: exim-4.99.4-1.fc44
Exim is a message transfer agent MTA developed at the University of Cambridge for use on Unix systems connected to the Internet. It is freely available under the terms of the GNU General Public Licence. In style it is similar to Smail 3, but its facilities are more general. There is a great deal ...
Fedora 44 : exim (2026-78bf093219)
The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-78bf093219 advisory. This is an update fixing a pre-authentication information disclosure CVE-2026-48840. Tenable has extracted the preceding description block directly from the...
Fedora 43 : exim (2026-71b1e9b455)
The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-71b1e9b455 advisory. This is an update fixing a pre-authentication information disclosure CVE-2026-48840. Tenable has extracted the preceding description block directly from the...
[SECURITY] [DLA 4615-1] exim4 security update
------------------------------------------------------------------------- Debian LTS Advisory DLA-4615-1 [email protected] https://www.debian.org/lts/security/ Thorsten Alteholz June 05, 2026 https://wiki.debian.org/LTS -...
CVE-2026-48840
A flaw was found in Exim. In certain proxy configurations, Exim mishandles short data payloads. This can lead to the disclosure of uninitialized stack memory values to a remote client, potentially exposing sensitive information...
Exim 4.88 < 4.99.4 Information Disclosure
According to its banner, the version of Exim running on the remote host is 4.88 or later but prior to 4.99.4. It is, therefore, potentially affected by an information disclosure vulnerability. - Exim 4.88 before 4.99.4, in some proxy configurations, mishandles certain short payloads, leading to...
Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS : Exim vulnerabilities (USN-8382-1)
The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8382-1 advisory. Timo Longin discovered that Exim incorrectly handled certain SMTP messages in PIPELINING/CHUNKING configurations. A...
USN-8382-1: Exim vulnerabilities
Timo Longin discovered that Exim incorrectly handled certain SMTP messages in PIPELINING/CHUNKING configurations. A remote attacker could possibly use this issue to perform SMTP smuggling. This issue only affected Ubuntu 14.04 LTS. CVE-2023-51766 It was discovered that Exim incorrectly handled...
Astra Linux – Vulnerability in exim4
In Exim versions before 4.99.2, when the SPA authentication driver is used with an adversarial SPA resource, there can be a vulnerability where an out-of-bounds write could cause the connection instance to crash, or erroneous data processing could lead to data being leaked from uninitialized heap...
Astra Linux – Vulnerability in exim4
In Exim before 4.99.2, when utf8 operators are enabled, there is a potential for out-of-bounds reading if large UTF-8 trailing characters are present malformed UTF-8 header data. Information may be disclosed within an error message generated during the processing of an unrelated email message...
Astra Linux – Vulnerability in exim4
In versions of Exim prior to 4.99.3, and under certain GnuTLS configurations, there is a remotely reachable use-after-free in the BDAT body parsing path. This issue is triggered when a client sends a TLS closenotify message during a CHUNKING transfer, followed by a final cleartext byte on the sam...
Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : Exim vulnerability (USN-8353-1)
The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8353-1 advisory. Warisjeet Singh discovered that Exim with SUPPORTPROXY enabled did not properly handle memory before SMTP authentication. A remote...
USN-8353-1: Exim vulnerability
Warisjeet Singh discovered that Exim with SUPPORTPROXY enabled did not properly handle memory before SMTP authentication. A remote attacker could possibly use this issue to obtain sensitive information...
USN-8353-1 exim4 vulnerability
Warisjeet Singh discovered that Exim with SUPPORTPROXY enabled did not properly handle memory before SMTP authentication. A remote attacker could possibly use this issue to obtain sensitive information...
[BSA-135] Security Update for exim4
Andreas Metzler uploaded new packages for exim4 which fixed the following security problems: CVE-2026-48840 PROXYv2 parser: reject PROXY frames whose declared payload length is too short for the claimed address family 12 bytes for TCPv4/0x11, 36 bytes for TCPv6/0x21. Previously a frame with...
CVE-2026-48840
Exim 4.88 before 4.99.4, in some proxy configurations, mishandles certain short payloads, leading to disclosure of uninitialized stack memory values to a client...
CVE-2026-48840
Exim 4.88 before 4.99.4, in some proxy configurations, mishandles certain short payloads, leading to disclosure of uninitialized stack memory values to a client...