EX
Product
exim
On CISA KEVExploited in the wildRansomware-linked
70
CVEs
5
On KEV
9.8
Max CVSS
0
New 30D
Severity mix
Critical 23High 26Medium 12Low 1
Watch
Add exim to your stack to get only the CVEs that touch what you run.
| CVE | CVSS | Published | Summary · affected versions |
|---|---|---|---|
| CVE-2019-16928 In wildKEV | 9.8 | Sep 27 | Exim Out-of-bounds Write Vulnerability Affected: 4.92 through 4.92.2 |
| CVE-2019-10149 In wildKEV | 9.8 | Jun 5 | Exim Mail Transfer Agent (MTA) Improper Input Validation Affected: 4.92 |
| CVE-2018-6789 RansomwareIn wildKEV | 9.8 | Feb 8 | Exim Buffer Overflow Vulnerability Affected: before 4.90.1 |
| CVE-2010-4344 In wildKEV | 9.8 | Dec 14 | Exim Heap-Based Buffer Overflow Vulnerability Affected: before 4.70 |
| CVE-2010-4345 In wildKEV | 7.8 | Dec 14 | Exim Privilege Escalation Vulnerability Affected: through 4.72 |
| CVE-2026-45185 | 9.8 | May 12 | Exim before 4.99.3, in certain GnuTLS configurations, has a remotely reachable use-after-free in the BDAT body parsing path Affected: 4.97 before 4.99.3 |
| CVE-2026-40685 | 9.8 | Apr 30 | In Exim before 4.99.2, when JSON lookup is enabled, an out-of-bounds heap write can occur when a JSON operator encounters malformed JSON in an untrusted header, because of an… Affected: before 4.99.2 |
| CVE-2025-67896 | 9.8 | Dec 14 | Exim before 4.99.1, with certain non-default rate-limit configurations, allows a remote heap-based buffer overflow because database records are cast directly to internal… Affected: before 4.99.1 |
| CVE-2025-26794 | 9.8 | Feb 21 | Exim 4.98 before 4.98.1, when SQLite hints and ETRN serialization are used, allows remote SQL injection Affected: 4.98 before 4.98.1 |
| CVE-2023-42117 | 9.8 | May 3 | Exim Improper Neutralization of Special Elements Remote Code Execution Vulnerability Affected: before 4.96.2 |
| CVE-2023-42116 | 9.8 | May 3 | Exim SMTP Challenge Stack-based Buffer Overflow Remote Code Execution Vulnerability Affected: before 4.96.1 |
| CVE-2023-42115 | 9.8 | May 3 | Exim AUTH Out-Of-Bounds Write Remote Code Execution Vulnerability Affected: before 4.96.1 |
| CVE-2022-3620 | 9.8 | Oct 20 | Exim DMARC dmarc.c dmarc_dns_lookup use after free Affected: 4.95 before 4.97 |
| CVE-2022-37452 | 9.8 | Aug 7 | Exim before 4.95 has a heap-based buffer overflow for the alias list in host_name_lookup in host.c when sender_host_name is set Affected: before 4.95 |
| CVE-2020-28026 | 9.8 | May 6 | Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters, relevant in non-default configurations that enable Delivery Status Notification (DSN) Affected: 4.00 before 4.94.2 |
| CVE-2020-28024 | 9.8 | May 6 | 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… Affected: 4.00 before 4.94.2 |
| CVE-2020-28022 | 9.8 | May 6 | Exim 4 before 4.94.2 has Improper Restriction of Write Operations within the Bounds of a Memory Buffer Affected: 4.00 before 4.94.2 |
| CVE-2020-28020 | 9.8 | May 6 | 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… Affected: 4.00 before 4.92 |
| CVE-2020-28018 | 9.8 | May 6 | Exim 4 before 4.94.2 allows Use After Free in smtp_reset in certain situations that may be common for builds with OpenSSL Affected: 4.90 before 4.94.2 |
| CVE-2020-28017 | 9.8 | May 6 | 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 Affected: before 4.94.1 |
| CVE-2019-15846 | 9.8 | Sep 6 | Exim before 4.92.2 allows remote attackers to execute arbitrary code as root via a trailing backslash Affected: before 4.92.2 |
| CVE-2019-13917 | 9.8 | Jul 25 | 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… Affected: 4.85 through 4.92 |
| CVE-2017-16943 | 9.8 | Nov 25 | 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… Affected: 4.88; 4.89 |
| CVE-2026-40687 | 9.1 | Apr 30 | In Exim before 4.99.2, when the SPA authentication driver is used with an adversarial SPA resource, there can be an out-of-bounds write that crashes the connection instance, or… Affected: before 4.99.2 |
| CVE-2020-28021 | 8.8 | May 6 | Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters Affected: 4.00 before 4.94.2 |
| CVE-2026-66141 | 7.8 | Jul 24 | Exim before 4.99.5 allows .forward privilege escalation because force_command for a pipe transport is mishandled Affected: 4.82 before 4.99.5 |
| CVE-2026-66140 | 7.8 | Jul 24 | Exim before 4.99.5 allows directory traversal to access files outside of the spool area, and consequently gain privileges, because arguments related to queue-name are mishandled Affected: 4.88 before 4.99.5 |
| CVE-2025-30232 | 7.8 | Mar 28 | A use-after-free in Exim 4.96 through 4.98.1 could allow users (with command-line access) to escalate privileges Affected: 4.96 through 4.98.1 |
| CVE-2020-28016 | 7.8 | May 6 | Exim 4 before 4.94.2 allows an off-by-two Out-of-bounds Write because "-F ''" is mishandled by parse_fix_phrase Affected: 4.00 before 4.94.2 |
| CVE-2020-28015 | 7.8 | May 6 | Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters Affected: 4.00 before 4.94.2 |
| CVE-2020-28013 | 7.8 | May 6 | Exim 4 before 4.94.2 allows Heap-based Buffer Overflow because it mishandles "-F '.('" on the command line, and thus may allow privilege escalation from any user to root Affected: 4.00 before 4.94.2 |
| CVE-2020-28012 | 7.8 | May 6 | Exim 4 before 4.94.2 allows Exposure of File Descriptor to Unintended Control Sphere because rda_interpret uses a privileged pipe that lacks a close-on-exec flag Affected: 4.00 before 4.94.2 |
| CVE-2020-28011 | 7.8 | May 6 | Exim 4 before 4.94.2 allows Heap-based Buffer Overflow in queue_run via two sender options: -R and -S Affected: 4.00 before 4.94.2 |
| CVE-2020-28010 | 7.8 | May 6 | Exim 4 before 4.94.2 allows Out-of-bounds Write because the main function, while setuid root, copies the current working directory pathname into a buffer that is too small (on… Affected: 4.00 before 4.94.2 |
| CVE-2020-28009 | 7.8 | May 6 | Exim 4 before 4.94.2 allows Integer Overflow to Buffer Overflow because get_stdinput allows unbounded reads that are accompanied by unbounded increases in a certain size variable Affected: 4.00 before 4.94.2 |
| CVE-2020-28008 | 7.8 | May 6 | Exim 4 before 4.94.2 allows Execution with Unnecessary Privileges Affected: 4.00 before 4.94.2 |
| CVE-2020-28007 | 7.8 | May 6 | Exim 4 before 4.94.2 allows Execution with Unnecessary Privileges Affected: 4.00 before 4.94.2 |
| CVE-2020-8015 | 7.8 | Apr 2 | A UNIX Symbolic Link (Symlink) Following vulnerability in the packaging of exim in openSUSE Factory allows local attackers to escalate from user mail to root Affected: before 4.93.0.4-3.1 |
| CVE-2026-94056 | 7.5 | Sep 19 | Exim before 4.100.1, when Proxy-Protocol is used with an attacker-controlled proxy, allows attackers to read certain uninitialized data from stack memory Affected: 4.83 before 4.100.1 |
| CVE-2026-40684 | 7.5 | Apr 30 | In Exim before 4.99.2, on systems using musl libc (not glibc), an attacker can crash the connection instance when malformed DNS data is present in PTR records Affected: before 4.99.2 |
| CVE-2022-3559 | 7.5 | Oct 17 | Exim Regex use after free Affected: before 4.97 |
| CVE-2022-37451 | 7.5 | Aug 6 | Exim before 4.96 has an invalid free in pam_converse in auths/call_pam.c because store_free is not used after store_malloc Affected: before 4.96 |
| CVE-2021-38371 | 7.5 | Aug 10 | The STARTTLS feature in Exim through 4.94.2 allows response injection (buffering) during MTA SMTP sending Affected: through 4.94.2 |
| CVE-2020-28025 | 7.5 | May 6 | Exim 4 before 4.94.2 allows Out-of-bounds Read because pdkim_finish_bodyhash does not validate the relationship between sig->bodyhash.len and b->bh.len; thus, a crafted… Affected: 4.00 before 4.94.2 |
| CVE-2020-28023 | 7.5 | May 6 | Exim 4 before 4.94.2 allows Out-of-bounds Read Affected: 4.00 before 4.94.2 |
| CVE-2020-28019 | 7.5 | May 6 | Exim 4 before 4.94.2 has Improper Initialization that can lead to recursion-based stack consumption or other consequences Affected: 4.88 before 4.94.2 |
| CVE-2020-12783 | 7.5 | May 11 | Exim through 4.93 has an out-of-bounds read in the SPA authenticator that could result in SPA/NTLM authentication bypass in auths/spa.c and auths/auth-spa.c Affected: through 4.93 |
| CVE-2017-16944 | 7.5 | Nov 25 | The receive_msg 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… Affected: 4.88; 4.89 |
| CVE-2016-1531 | 7.0 | Apr 7 | Exim before 4.86.2, when installed setuid root, allows local users to gain privileges via the perl_startup argument Affected: through 4.86 |
| CVE-2021-27216 | 6.3 | May 6 | Exim 4 before 4.94.2 has Execution with Unnecessary Privileges Affected: before 4.94.2 |
