Name: CVE-2021-20314: Out-of-bounds Write
Creator: Rapid7
Published: 2021-08-12T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2021-20314, CWE-787, CVSS 9.8, EPSS 0.00169

Stack buffer overflow in libspf2 versions below 1.2.11 when processing certain SPF macros can lead to Denial of service and potentially code execution via malicious crafted SPF explanation messages.

CVSS Details

CVSS 3.1 Base Score: 9.8
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alpine Linux	—	Upgrade libspf2	Mar 26, 2024	Aug 12, 2021
Debian	—	Upgrade libspf2	Aug 13, 2021	Aug 13, 2021
Gentoo Linux	—	Upgrade mail-filter/libspf2.	Jan 16, 2024	Aug 12, 2021
Suse	—	Upgrade libspf2-2Upgrade libspf2-develUpgrade libspf2-tools	Aug 26, 2021	Aug 12, 2021
Ubuntu	—	Upgrade libmail-spf-xs-perlUpgrade libspf2-dev (Ubuntu Pro)Upgrade libmail-spf-xs-perl (Ubuntu Pro)Upgrade spfquery (Ubuntu Pro)Upgrade spfqueryUpgrade libspf2-2 (Ubuntu Pro)Upgrade libspf2-devUpgrade libspf2-2	Jan 16, 2024	Aug 12, 2021

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CVSS Details

Covered by Rapid7

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