Astra Linux – Vulnerability in exim4

Exim 4 before 4.94.2 allowed a heap-based buffer overflow in the queuerun function, through two sender options: -R and -S. This could lead to privilege escalation from the exim user to the root user...

Astra Linux – Vulnerability in exim4

Exim 4 before 4.94.2 allows Heap-based Buffer Overflows because it mishandles the "-F’.‘” syntax on the command line. This may allow privilege escalation from any user to root. This issue occurs due to the incorrect interpretation of negative sizes in the strncpy function...

Astra Linux – Vulnerability in exim4

Exim 4 before 4.94.2 allowed out-of-bounds read vulnerabilities. The smtpsetupmsg function may disclose sensitive information from the process memory to an unauthenticated SMTP client...

Astra Linux – Vulnerability in exim4

Exim 4 before 4.94.2 allowed execution with unnecessary privileges. The -oP option is available to the exim user, and it could lead to a denial of service, as files owned by root could be overwritten...

Astra Linux – Vulnerability in exim4

Exim 4 before 4.94.2 allows Out-of-bounds Read because pdkimfinishbodyhash does not validate the relationship between sig-bodyhash.len and b-bh.len; thus, a crafted DKIM-Signature header might lead to the leakage of sensitive information from process memory...

Astra Linux – Vulnerability in exim4

Exim 4 before 4.94.2 allowed Use After Free in smtpreset in certain situations that might be common in builds using OpenSSL...

Astra Linux – Vulnerability in exim4

Exim 4 before 4.94.2 allowed execution with unnecessary privileges. Since Exim operates as root in the log directory which is owned by a non-root user, a symlink or hard link attack could allow overwriting of critical root-owned files anywhere in the filesystem...

Astra Linux – Vulnerability in exim4

Exim 4.98 before 4.98.1 allowed remote SQL injection when SQLite hints and ETRN serialization were used. Resolving SQL injection requires an update to 4.99.1 in certain non-default rate-limit configurations...

Linux Distros Unpatched Vulnerability : CVE-2026-45185

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

Exploit for CVE-2026-45185

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

The Machine Found It First. The Machine Will Exploit It Next.

& For decades, the question behind every CVE has been "who found it, and how fast can attackers catch up?" As of May 12, 2026, the question has flipped. Machines found the bug. Machines will weaponize the next one. The race is no longer human-versus-human with a stopwatch. Discovery Discovery...

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...

CLSA-2026-1778690918 exim: Fix of CVE-2026-40686

CVE-2026-40686: out-of-bounds read in the GETUTF8INC macro in src/expand.c when processing malformed UTF-8 in expansion operators with utf8 enabled, potentially disclosing heap data via SMTP rejection messages...

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...

CVE-2026-45185

A flaw was found in Exim. An unauthenticated remote attacker could exploit a use-after-free vulnerability in the BDAT body parsing path 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 heap...

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...