CVE-2020-35679: smtpd/table.c in OpenSMTPD before 6.8.0p1 lacks a certain regfree, which might allow attackers to trigger a "very significant" memory leak via messages to an…

PriorityP337high7.5CVSS 3.1

AVNACLPRNUINSUCNINAH

EPSS

2.83%

85.1th percentile

smtpd/table.c in OpenSMTPD before 6.8.0p1 lacks a certain regfree, which might allow attackers to trigger a "very significant" memory leak via messages to an instance that performs many regex lookups.

Affected

9 ranges

Vendor	Product	Version range	Fixed in
debian	opensmtpd	< opensmtpd 6.8.0p2-1 (bookworm)	opensmtpd 6.8.0p2-1 (bookworm)
fedoraproject	fedora	—	—
fedoraproject	fedora	—	—
opensmtpd	opensmtpd	< 6.8.0	6.8.0
opensmtpd	opensmtpd	—	—
opensmtpd	opensmtpd	>= 0 < 6.8.0p2-1	6.8.0p2-1
opensmtpd	opensmtpd	>= 0 < 6.8.0p2-1	6.8.0p2-1
opensmtpd	opensmtpd	>= 0 < 6.8.0p2-1	6.8.0p2-1
opensmtpd	opensmtpd	>= 0 < 6.8.0p2-1	6.8.0p2-1

CVSS provenance

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

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

osv7.5HIGH

vendor_debian7.5HIGH

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