CVE-2020-28023: Exim 4 before 4.94.2 allows Out-of-bounds Read. smtp_setup_msg may disclose sensitive information from process memory to an unauthenticated SMTP client.

PriorityP340high7.5CVSS 3.1

AVNACLPRNUINSUCHINAN

EPSS

2.56%

83.1th percentile

Exim 4 before 4.94.2 allows Out-of-bounds Read. smtp_setup_msg may disclose sensitive information from process memory to an unauthenticated SMTP client.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
debian	exim4	< exim4 4.94.2-1 (bookworm)	exim4 4.94.2-1 (bookworm)
exim	exim	>= 4.00 < 4.94.2	4.94.2

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N

osv7.5HIGH

vendor_debian7.5HIGH

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