CVE-2019-13917

Critical

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).

SeverityCritical

CVSS9.8

Exploit probability—

Product

Exim

PublishedJul 25, 2019

First seenJul 25, 2019

How to fix

Vendor advisories

debian.org/security/2019/dsa-4488
security.gentoo.org/glsa/201909-06

Affected products

Product	Affected versions	Fixed in
exim exim	4.85 ≤ v ≤ 4.92	—
debian debian_linux	9.0, 10.0	—

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