What’s Vulnerable › Vulnerabilities

CVE-2019-13917

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 8.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-07-25 · updated 2026-06-17
• Weakness: CWE-19

Description

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 attacker (e.g., $local_part or $domain).

Affected products

• Debian Linux: 9.0, 10.0
• Exim: from 4.85 through 4.92

References

• http://exim.org/static/doc/security/CVE-2019-13917.txt
• http://www.openwall.com/lists/oss-security/2019/07/26/5
• https://seclists.org/bugtraq/2019/Jul/51
• https://security.gentoo.org/glsa/201909-06
• https://www.debian.org/security/2019/dsa-4488
• http://exim.org/static/doc/security/CVE-2019-13917.txt
• http://www.openwall.com/lists/oss-security/2019/07/26/5
• https://seclists.org/bugtraq/2019/Jul/51
• https://security.gentoo.org/glsa/201909-06
• https://www.debian.org/security/2019/dsa-4488

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