Exploit for CVE-2026-45185

CVE-2026-45185 — "Dead.Letter" Exim Vulnerability Scanner A s...

New Exim BDAT Vulnerability Exposes GnuTLS Builds to Potential Code Execution

Exim has released security updates to address a severe security issue affecting certain configurations that could enable memory corruption and potential code execution. Exim is an open-source Mail Transfer Agent MTA designed for Unix-like systems to receive, route, and deliver email. The...

USN-8270-1: Exim vulnerability

It was discovered that Exim incorrectly handled BDAT body parsing. A remote attacker could use this issue to cause Exim to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-8270-1 exim4 vulnerability

It was discovered that Exim incorrectly handled BDAT body parsing. A remote attacker could use this issue to cause Exim to crash, resulting in a denial of service, or possibly execute arbitrary code...

CVE-2026-45185

creationtimestamp| type| source ---|---|--- 2026-05-12 14:44:00+00:00| seen| https://thehackernews.com/2026/05/new-exim-bdat-vulnerability-exposes.html 2026-05-12 18:00:04+00:00| seen| https://t.me/GithubRedTeam/83976 2026-05-12 23:00:14+00:00| seen|...

CVE-2026-45185: Use After Free

Exim before 4.99.3, in certain GnuTLS configurations, has a remotely reachable use-after-free in the BDAT body parsing path. It is triggered when a client sends a TLS closenotify mid-body during a CHUNKING transfer, followed by a final cleartext byte on the same TCP connection. This can lead to...

CVE-2026-45185

Exim before 4.99.3, in certain GnuTLS configurations, has a remotely reachable use-after-free in the BDAT body parsing path. It is triggered when a client sends a TLS closenotify mid-body during a CHUNKING transfer, followed by a final cleartext byte on the same TCP connection. This can lead to...

Exim Resource Management Error Vulnerability

Exim is an open-source message transfer agent MTA developed by Exim Software, running on Unix systems. It primarily handles the routing, forwarding, and delivery of emails. Prior to Exim 4.99.3, there was a resource management vulnerability. This vulnerability stemmed from a specific GnuTLS...

CVE-2026-45185

Exim before 4.99.3, in certain GnuTLS configurations, has a remotely reachable use-after-free in the BDAT body parsing path. It is triggered when a client sends a TLS closenotify mid-body during a CHUNKING transfer, followed by a final cleartext byte on the same TCP connection. This can lead to...

CVE-2026-45185

Exim before 4.99.3, in certain GnuTLS configurations, has a remotely reachable use-after-free in the BDAT body parsing path. It is triggered when a client sends a TLS closenotify mid-body during a CHUNKING transfer, followed by a final cleartext byte on the same TCP connection. This can lead to...

PT-2026-40334

Name of the Vulnerable Software and Affected Versions Exim versions 4.97 through 4.99.2 Description Exim contains a use-after-free memory corruption issue in the BDAT body parsing path, specifically affecting builds compiled with GnuTLS. The issue occurs during a CHUNKING transfer when a client...

CVE-2026-45185

Exim before 4.99.3, in certain GnuTLS configurations, has a remotely reachable use-after-free in the BDAT body parsing path. It is triggered when a client sends a TLS closenotify mid-body during a CHUNKING transfer, followed by a final cleartext byte on the same TCP connection. This can lead to...

CVE-2026-45185

Exim before 4.99.3, in certain GnuTLS configurations, has a remotely reachable use-after-free in the BDAT body parsing path. It is triggered when a client sends a TLS closenotify mid-body during a CHUNKING transfer, followed by a final cleartext byte on the same TCP connection. This can lead to...

Debian dsa-6265 : exim4 - security update

The remote Debian 12 / 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6265 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6265-1 [email protected]...

CVE-2026-45185

Exim (MTA) vulnerability CVE-2026-45185 is a use-after-free in the BDAT body parsing when using GnuTLS. Triggered by a TLS close_notify mid-body during a CHUNKING transfer followed by a final cleartext byte on the same TCP connection, it can cause heap corruption and potential arbitrary code exec...

CVE-2026-45185

Exim before 4.99.3, in certain GnuTLS configurations, has a remotely reachable use-after-free in the BDAT body parsing path. It is triggered when a client sends a TLS closenotify mid-body during a CHUNKING transfer, followed by a final cleartext byte on the same TCP connection. This can lead to...

[SECURITY] Fedora 42 Update: exim-4.99.2-1.fc42

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 43 Update: exim-4.99.2-1.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-4.99.2-1.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 (2026-7f7b8d957f)

The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-7f7b8d957f advisory. This is new version of exim fixing some security bugs. Tenable has extracted the preceding description block directly from the Fedora security advisory. Note...