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...

Exploit for CVE-2026-45185

CVE-2026-45185 Nuclei Template Validation Lab This repository...

The vulnerability was exploited in Exim.

The developers of Exim introduced a vulnerability in the Exim Mail Transfer Agent versions prior to 4.99.3. This vulnerability involves a use-after-free in the BDAT body parsing process, specifically when certain GnuTLS backend configurations are used. An unauthorized attacker can exploit this...

SUSE 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 4.99.2 Memory Corruption

A remotely reachable memory corruption issue was discovered in Exim's GnuTLS backend. The vulnerability is triggered during BDAT message body handling when a client sends a TLS closenotify alert before the body transfer is complete, and then follows up with a final byte in cleartext on the same T...

The vulnerability of the ungetc() function in the BDAT/CHUNKING component of the email server Exim, which allows a hacker to execute arbitrary code.

The vulnerability of the ungetc function in the BDAT/CHUNKING component of the email server Exim relates to the use of memory after it is freed. Exploiting this vulnerability could allow a remote attacker to execute arbitrary code...

EUVD-2026-29824

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...

UBUNTU-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...

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 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

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...

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...

EUVD-2017-6781

Malware in sbrugna...

EUVD-2020-20510

Malware in sbrugna...

SUSE CVE-2017-16944

The receivemsg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to cause a denial of service infinite loop and stack exhaustion via vectors involving BDAT commands and an improper check for a '.' character signifying the end of the content, related to the...

OPENSUSE-SU-2021:0754-1 Security update for exim

This update for exim fixes the following issues: Exim was updated to exim-4.94.2 security update boo1185631 CVE-2020-28007: Link attack in Exim's log directory CVE-2020-28008: Assorted attacks in Exim's spool directory CVE-2020-28014: Arbitrary PID file creation CVE-2020-28011: Heap buffer overfl...

Security update for exim (critical)

openSUSE Security Update: Security update for exim Announcement ID: openSUSE-SU-2021:0753-1 Rating: critical References: 1079832 1136587 1142207 1154183 1160726 1171490 1171877 1173693 1185631 Cross-References: CVE-2017-1000369 CVE-2017-16943 CVE-2017-16944 CVE-2018-6789 CVE-2019-10149...