CVE-2019-12420

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

7.23% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 93.8% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2019-12-12 22:16Z6 YR AGO

Last updated

2024-08-04 23:17Z2 YR AGO

Reserved

2019-05-28

Assigning CNA

apache

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-400Uncontrolled Resource ConsumptionClass
• CWE-1333Inefficient Regular Expression ComplexityBase

Data version

5.1

Document digest

fd81f5d5d8fb2831edad1659a301b17e8f548b6177ef00bb39819fedc9c56f70

• lists.apache.org[spamassassin-announce] 20191212 [SECURITY] Apache SpamAssassin v3.4.3 released with fix for CVE-2019-12420https://lists.apache.org/thread.html/64cf76749956dd08f7d5b86ec9f3321f382cfd7fe717ccd1be940c92%40%3Cannounce.spamassassin.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[spamassassin-dev] 20191212 [SECURITY] Apache SpamAssassin v3.4.3 released with fix for CVE-2019-12420https://lists.apache.org/thread.html/e3c2367351286b77a74a082e2b66b793cceefa7b6ea9dcd162db4c4b%40%3Cdev.spamassassin.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[spamassassin-users] 20191212 [SECURITY] Apache SpamAssassin v3.4.3 released with fix for CVE-2019-12420https://lists.apache.org/thread.html/5ef362d6da12126fafc81443309ca95d872d1bfd011fe4b2699f0fe9%40%3Cusers.spamassassin.apache.org%3Emailing-listx_refsource_MLIST
• www.openwall.com[oss-security] 20191212 Apache SpamAssassin v3.4.3 released with fix for CVE-2019-12420http://www.openwall.com/lists/oss-security/2019/12/12/2mailing-listx_refsource_MLIST
• lists.apache.org[announce] 20191212 [SECURITY] Apache SpamAssassin v3.4.3 released with fix for CVE-2019-12420https://lists.apache.org/thread.html/5863d6c42fc9595a29566732f12348cde0ca0e41bda91695c62041de%40%3Cannounce.apache.org%3Emailing-listx_refsource_MLIST
• svn.apache.orghttps://svn.apache.org/repos/asf/spamassassin/branches/3.4/build/announcements/3.4.3.txtx_refsource_CONFIRM
• bz.apache.orghttps://bz.apache.org/SpamAssassin/show_bug.cgi?id=7747x_refsource_MISC
• www.debian.orgDSA-4584https://www.debian.org/security/2019/dsa-4584vendor-advisoryx_refsource_DEBIAN
• seclists.org20191216 [SECURITY] [DSA 4584-1] spamassassin security updatehttps://seclists.org/bugtraq/2019/Dec/27mailing-listx_refsource_BUGTRAQ
• lists.debian.org[debian-lts-announce] 20191216 [SECURITY] [DLA 2037-1] spamassassin security updatehttps://lists.debian.org/debian-lts-announce/2019/12/msg00019.htmlmailing-listx_refsource_MLIST
• usn.ubuntu.comUSN-4237-1https://usn.ubuntu.com/4237-1/vendor-advisoryx_refsource_UBUNTU
• usn.ubuntu.comUSN-4237-2https://usn.ubuntu.com/4237-2/vendor-advisoryx_refsource_UBUNTU
• lists.apache.org[spamassassin-users] 20200130 Re: ANNOUNCE: Apache SpamAssassin 3.4.4 availablehttps://lists.apache.org/thread.html/r2578c486552637bfedbe624940cc60d6463bd90044c887bdebb75e74%40%3Cusers.spamassassin.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[spamassassin-users] 20200131 Re: ANNOUNCE: Apache SpamAssassin 3.4.4 availablehttps://lists.apache.org/thread.html/r3d32ebf97b1245b8237763444e911c4595d2ad5e34a1641840d8146f%40%3Cusers.spamassassin.apache.org%3Emailing-listx_refsource_MLIST