What’s Vulnerable › Vulnerabilities

CVE-2019-15846

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 35.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-09-06 · updated 2026-06-17

Description

Exim before 4.92.2 allows remote attackers to execute arbitrary code as root via a trailing backslash.

Affected products

• Debian Linux: 8.0, 9.0, 10.0
• Exim: before 4.92.2 — fixed in 4.92.2

How to fix

Upgrade to a fixed version: Exim 4.92.2. Check the vendor advisory for mitigations.

References

• http://exim.org/static/doc/security/CVE-2019-15846.txt
• http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00024.html
• http://www.openwall.com/lists/oss-security/2019/09/06/2
• http://www.openwall.com/lists/oss-security/2019/09/06/4
• http://www.openwall.com/lists/oss-security/2019/09/06/5
• http://www.openwall.com/lists/oss-security/2019/09/06/6
• http://www.openwall.com/lists/oss-security/2019/09/06/8
• http://www.openwall.com/lists/oss-security/2019/09/07/1
• http://www.openwall.com/lists/oss-security/2019/09/07/2
• http://www.openwall.com/lists/oss-security/2019/09/08/1
• http://www.openwall.com/lists/oss-security/2019/09/09/1
• https://exim.org/static/doc/security/CVE-2019-15846.txt

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