synced 12 MIN AGO
01 Record

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

UnratedPUBLISHEDCNA: apache
CNA base scoreUnratedNo CNA CVSS vector

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
  • CWE-400Uncontrolled Resource ConsumptionClass
  • CWE-1333Inefficient Regular Expression ComplexityBase
Data version
5.1
Document digest
fd81f5d5d8fb2831edad1659a301b17e8f548b6177ef00bb39819fedc9c56f70

05 Affected products

VendorProductVersionsPlatforms
ApacheApache SpamAssassinApache SpamAssassin prior to 3.4.3—

06 References

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+esm1
    Available 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.