CVE-2020-28018 (CRITICAL 9.8) · Watchpost

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CVE-2020-28018

CRITICAL 9.8CVE-2020-28018 · Published 06/05/2021 · updated 17/06/2026

Package	Affected versions	Patched versions
exim exim	`≥ 4.90, < 4.94.2`	`4.94.2`

Description

Exim 4 before 4.94.2 allows Use After Free in smtp_reset in certain situations that may be common for builds with OpenSSL.

References

openwall.com/lists/oss-security/2021/05/11/14 · Mailing List
openwall.com/lists/oss-security/2021/05/11/15 · Mailing List
openwall.com/lists/oss-security/2021/05/11/17 · Mailing List
openwall.com/lists/oss-security/2021/05/11/5 · Mailing List
openwall.com/lists/oss-security/2021/05/11/6 · Mailing List
openwall.com/lists/oss-security/2021/05/12/2 · Mailing List
openwall.com/lists/oss-security/2021/05/12/3 · Mailing List
exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28018-OCORK.txt · Vendor Advisory

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