CVE-2023-51766

Description

References

• openwall.com/lists/oss-security/2023/12/24/1 · Mailing List
• openwall.com/lists/oss-security/2023/12/25/1 · Mailing List
• openwall.com/lists/oss-security/2023/12/29/2 · Mailing List
• openwall.com/lists/oss-security/2024/01/01/1 · Mailing List
• openwall.com/lists/oss-security/2024/01/01/2 · Mailing List
• openwall.com/lists/oss-security/2024/01/01/3 · Mailing List
• bugs.exim.org/show_bug.cgi · Issue Tracking
• bugzilla.redhat.com/show_bug.cgi · Issue Tracking
• exim.org/static/doc/security/CVE-2023-51766.txt · Broken Link
• fahrplan.events.ccc.de/congress/2023/fahrplan/events/11782.html · Technical Description
• git.exim.org/exim.git/commit/5bb786d5ad568a88d50d15452aacc8404047e5ca · Patch

More vulnerabilities in exim

• CVE-2026-94057MEDIUM 5.3Exim before 4.100.1 allows SMTP smuggling in which the received message does not match any sent message, and instead depends on crafted data…
• CVE-2026-94056HIGH 7.5Exim before 4.100.1, when Proxy-Protocol is used with an attacker-controlled proxy, allows attackers to read certain uninitialized data from…
• CVE-2026-94055MEDIUM 5.3Exim before 4.100.1, when certain non-default TLS settings are used with GnuTLS, has a use-after-free.
• CVE-2026-94054MEDIUM 5.3Exim before 4.100.1, when Proxy-Protocol is used with an attacker-controlled proxy, has an out-of-bounds write.
• CVE-2026-66141HIGH 7.8Exim before 4.99.5 allows .forward privilege escalation because force_command for a pipe transport is mishandled.