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01 Record

CVE-2021-4213

A flaw was found in JSS, where it did not properly free up all memory. Over time, the wasted memory builds up in the server memory, saturating the server’s RAM. This flaw allows an attacker to force

UnratedPUBLISHEDCNA: redhat
CNA base scoreUnratedNo CNA CVSS vector

02 Description

A flaw was found in JSS, where it did not properly free up all memory. Over time, the wasted memory builds up in the server memory, saturating the server’s RAM. This flaw allows an attacker to force

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
1.73% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 77.3% 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
2022-08-24 15:07Z4 YR AGO
Last updated
2024-08-03 17:16Z2 YR AGO
Reserved
2022-01-25
Assigning CNA
redhat
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-401Missing Release of Memory after Effective LifetimeVariant
Data version
5.1
Document digest
d0d5e6a1d16c7bd6ceb1ffef6a2725983a58f5d79358de9914bff970543c6ffc

05 Affected products

VendorProductVersionsPlatforms
n/aJSSFixed in v5.2.0-beta1—

06 References

07 Fixed in

AlmaLinux 8

  • jss
    Fixed in 4.9.3-1.module_el8.6.0+2764+9fc58d50
  • jss-javadoc
    Fixed in 4.9.3-1.module_el8.6.0+2764+9fc58d50
  • ldapjdk
    Fixed in 4.23.0-1.module_el8.6.0+2764+9fc58d50
  • ldapjdk-javadoc
    Fixed in 4.23.0-1.module_el8.6.0+2764+9fc58d50
  • pki-acme
    Fixed in 10.12.0-2.module_el8.6.0+2764+9fc58d50
  • pki-base
    Fixed in 10.12.0-2.module_el8.6.0+2764+9fc58d50
  • pki-base-java
    Fixed in 10.12.0-2.module_el8.6.0+2764+9fc58d50
  • pki-ca
    Fixed in 10.12.0-2.module_el8.6.0+2764+9fc58d50
  • pki-kra
    Fixed in 10.12.0-2.module_el8.6.0+2764+9fc58d50
  • pki-server
    Fixed in 10.12.0-2.module_el8.6.0+2764+9fc58d50
  • pki-symkey
    Fixed in 10.12.0-2.module_el8.6.0+2764+9fc58d50
  • pki-tools
    Fixed in 10.12.0-2.module_el8.6.0+2764+9fc58d50
  • python3-pki
    Fixed in 10.12.0-2.module_el8.6.0+2764+9fc58d50
  • tomcatjss
    Fixed in 7.7.1-1.module_el8.6.0+2764+9fc58d50

Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

CloudLinux 8

  • jss
    Fixed in 4.9.3-1.module_el8.6.0+2764+9fc58d50
  • jss-javadoc
    Fixed in 4.9.3-1.module_el8.6.0+2764+9fc58d50
  • ldapjdk
    Fixed in 4.23.0-1.module_el8.6.0+2764+9fc58d50
  • ldapjdk-javadoc
    Fixed in 4.23.0-1.module_el8.6.0+2764+9fc58d50
  • pki-acme
    Fixed in 10.12.0-2.module_el8.6.0+2764+9fc58d50
  • pki-base
    Fixed in 10.12.0-2.module_el8.6.0+2764+9fc58d50
  • pki-base-java
    Fixed in 10.12.0-2.module_el8.6.0+2764+9fc58d50
  • pki-ca
    Fixed in 10.12.0-2.module_el8.6.0+2764+9fc58d50
  • pki-kra
    Fixed in 10.12.0-2.module_el8.6.0+2764+9fc58d50
  • pki-server
    Fixed in 10.12.0-2.module_el8.6.0+2764+9fc58d50
  • pki-symkey
    Fixed in 10.12.0-2.module_el8.6.0+2764+9fc58d50
  • pki-tools
    Fixed in 10.12.0-2.module_el8.6.0+2764+9fc58d50
  • python3-pki
    Fixed in 10.12.0-2.module_el8.6.0+2764+9fc58d50
  • tomcatjss
    Fixed in 7.7.1-1.module_el8.6.0+2764+9fc58d50

Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.

Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

Debian 12

  • jss
    Fixed in 5.2.0-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

  • jss
    Fixed in 5.2.0-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 16.04 LTS

  • jss
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 18.04 LTS

  • jss
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 20.04 LTS

  • jss
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 22.04 LTS

  • jss
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 24.04 LTS

  • jss
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 25.10

  • jss
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 26.04 LTS

  • jss
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 26.10

  • jss
    No fix yet

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.