UBUNTU-CVE-2020-28020
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UBUNTU-CVE-2020-28020
Published: 4 May 2021Last Modified: 22 Apr 2026
Upstream:
Aliases:
Summary:
Details: Exim 4 before 4.92 allows Integer Overflow to Buffer Overflow, in which an unauthenticated remote attacker can execute arbitrary code by leveraging the mishandling of continuation lines during header-length restriction.
References: https://ubuntu.com/security/CVE-2020-28020, https://ubuntu.com/security/notices/USN-4934-1, https://ubuntu.com/security/notices/USN-4934-2, https://www.cve.org/CVERecord?id=CVE-2020-28020
Affected packages
Package
Name: exim4
Purl: pkg:deb/ubuntu/[email protected]+esm3?arch=source&distro=trusty/esm
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -4.82-3ubuntu2.4+esm3
Affected versions
4.80-7ubuntu3
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
