Vulnerability DatabaseCVE-2019-12420
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CVE-2019-12420
Published:December 12, 2019
Updated:May 17, 2026
In Apache SpamAssassin before 3.4.3, a message can be crafted in a way to use excessive resources. Upgrading to SA 3.4.3 as soon as possible is the recommended fix but details will not be shared publicly.
Related Resources (24)
https://lists.apache.org/thread.html/5ef362d6da12126fafc81443309ca95d872d1bfd011fe4b2699f0fe9%40%3Cusers.spamassassin.apache.org%3E
https://lists.apache.org/thread.html/5863d6c42fc9595a29566732f12348cde0ca0e41bda91695c62041de%40%3Cannounce.apache.org%3E
https://lists.apache.org/thread.html/r3d32ebf97b1245b8237763444e911c4595d2ad5e34a1641840d8146f%40%3Cusers.spamassassin.apache.org%3E
https://lists.apache.org/thread.html/5863d6c42fc9595a29566732f12348cde0ca0e41bda91695c62041de@%3Cannounce.apache.org%3E
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-12420
https://usn.ubuntu.com/4237-2/
https://bz.apache.org/SpamAssassin/show_bug.cgi?id=7747
https://lists.apache.org/thread.html/e3c2367351286b77a74a082e2b66b793cceefa7b6ea9dcd162db4c4b@%3Cdev.spamassassin.apache.org%3E
https://access.redhat.com/security/cve/CVE-2019-12420
https://lists.apache.org/thread.html/64cf76749956dd08f7d5b86ec9f3321f382cfd7fe717ccd1be940c92%40%3Cannounce.spamassassin.apache.org%3E
https://lists.apache.org/thread.html/e3c2367351286b77a74a082e2b66b793cceefa7b6ea9dcd162db4c4b%40%3Cdev.spamassassin.apache.org%3E
http://www.openwall.com/lists/oss-security/2019/12/12/2
https://lists.apache.org/thread.html/r2578c486552637bfedbe624940cc60d6463bd90044c887bdebb75e74@%3Cusers.spamassassin.apache.org%3E
https://seclists.org/bugtraq/2019/Dec/27
https://lists.apache.org/thread.html/5ef362d6da12126fafc81443309ca95d872d1bfd011fe4b2699f0fe9@%3Cusers.spamassassin.apache.org%3E
https://usn.ubuntu.com/4237-1/
https://lists.apache.org/thread.html/64cf76749956dd08f7d5b86ec9f3321f382cfd7fe717ccd1be940c92@%3Cannounce.spamassassin.apache.org%3E
https://lists.debian.org/debian-lts-announce/2019/12/msg00019.html
https://svn.apache.org/repos/asf/spamassassin/branches/3.4/build/announcements/3.4.3.txt
https://security.alpinelinux.org/vuln/CVE-2019-12420
https://security-tracker.debian.org/tracker/CVE-2019-12420
https://lists.apache.org/thread.html/r3d32ebf97b1245b8237763444e911c4595d2ad5e34a1641840d8146f@%3Cusers.spamassassin.apache.org%3E
https://www.debian.org/security/2019/dsa-4584
https://lists.apache.org/thread.html/r2578c486552637bfedbe624940cc60d6463bd90044c887bdebb75e74%40%3Cusers.spamassassin.apache.org%3E
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Uncontrolled Resource Consumption
CWE-400
EPSS
Base Score:
13.68