CVE-2020-28018

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Source
https://cve.org/CVERecord?id=CVE-2020-28018
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-28018.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2020-28018
Downstream
Related
Published
2021-05-06T13:15:09.560Z
Modified
2026-06-18T04:05:40.849852311Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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

Affected packages

Git / github.com/exim/exim

Affected ranges

Type
GIT
Repo
https://github.com/exim/exim
Events
Introduced
d21bf202dbce10f259310dffcc6993f4d9886e56
Fixed
919111edac911ba9c15422eafd7c5bf14d416d26
Database specific 
{
    "extracted_events": [
        {
            "introduced": "4.90"
        },
        {
            "fixed": "4.94.2"
        }
    ],
    "cpe": "cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*",
    "source": "CPE_RANGE"
}

Affected versions

exim-4.*
exim-4.92
exim-4.92-RC1
exim-4.92-RC2
exim-4.92-RC3
exim-4.92-RC4
exim-4.92-RC5
exim-4.92-RC6
exim-4.92-jgh
exim-4.93
exim-4.93-RC0
exim-4.93-RC1
exim-4.93-RC2
exim-4.93-RC3
exim-4.93-RC4
exim-4.93-RC5
exim-4.93-RC6
exim-4.93-RC7
exim-4.94
exim-4.94-RC1
exim-4.94-RC2
exim-4.94.1
Other
exim-4_90
exim-4_90_RC4
exim-4_91
exim-4_91_RC1
exim-4_91_RC2
exim-4_91_RC3
exim-4_91_RC4
exim-4_94_RC0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-28018.json"