CVE-2019-12420
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
02 Description
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
03 Exploitation and scoring
- 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
- Equal to or higher than the score of 94.2% 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.
04 Metadata
- 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
- Data version
- 5.1
- Document digest
- fd81f5d5d8fb2831edad1659a301b17e8f548b6177ef00bb39819fedc9c56f70
05 Affected products
06 References
- 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%3E
- 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%3E
- 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%3E
- www.openwall.com[oss-security] 20191212 Apache SpamAssassin v3.4.3 released with fix for CVE-2019-12420http://www.openwall.com/lists/oss-security/2019/12/12/2
- 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%3E
- svn.apache.orghttps://svn.apache.org/repos/asf/spamassassin/branches/3.4/build/announcements/3.4.3.txt
- bz.apache.orghttps://bz.apache.org/SpamAssassin/show_bug.cgi?id=7747
- www.debian.orgDSA-4584https://www.debian.org/security/2019/dsa-4584
- seclists.org20191216 [SECURITY] [DSA 4584-1] spamassassin security updatehttps://seclists.org/bugtraq/2019/Dec/27
- lists.debian.org[debian-lts-announce] 20191216 [SECURITY] [DLA 2037-1] spamassassin security updatehttps://lists.debian.org/debian-lts-announce/2019/12/msg00019.html
- usn.ubuntu.comUSN-4237-1https://usn.ubuntu.com/4237-1/
- usn.ubuntu.comUSN-4237-2https://usn.ubuntu.com/4237-2/
- 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%3E
- 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%3E
07 Fixed in
Arch Linux
- spamassassin Fixed in 3.4.3-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
Debian 12
- spamassassin Fixed in 3.4.3~rc6-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- spamassassin Fixed in 3.4.3~rc6-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- spamassassin Fixed in 3.4.3~rc6-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- spamassassin Fixed in 3.4.2-0ubuntu0.16.04.2
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- spamassassin Fixed in 3.4.2-0ubuntu0.18.04.2
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 14.04 LTS
- spamassassin Fixed in 3.4.2-0ubuntu0.14.04.1+esm1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.