CVE-2022-4132: A flaw was found in JSS

Q: How do I fix CVE-2022-4132?

network security services for java: upgrade to 5.5.0; enterprise linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2022-4132 being exploited?

CVE-2022-4132 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-4132 affect?

CVE-2022-4132 affects network security services for java, enterprise linux. Severity is medium (CVSS 5.9). A flaw was found in JSS. A memory leak in JSS requires non-standard configuration but is a low-effort DoS vector if configured that way (repeatedly hitting the login page).

Q: How urgent is CVE-2022-4132?

Priority 44/100. Remotely exploitable, no login, no user action; On your watchlist

This month

MEDIUM 5.9REMOTEWATCHLISTUPGRADEMITIGATE

CVE-2022-4132 is a medium-severity flaw (CVSS 5.9) affecting network security services for java, enterprise linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A flaw was found in JSS. A memory leak in JSS requires non-standard configuration but is a low-effort DoS vector if configured that way (repeatedly hitting the login page).

Why this priority

Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	5.9 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.7% (top 47%)
CISA exploited list	No
Weakness	CWE-401
Published	2023-10-04
Last modified	2026-06-17

Publisher (CNA): Red Hat, Inc. · Vendor: dogtagpki · redhat

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-10-04 12:15 UTCPublished CVE record published
2026-06-17 05:20 UTCUpdated Record last modified

dogtagpki network security services for java UPGRADE

Affected: < 5.5.0

Fixed in: 5.5.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy network-security-services-for-java || rpm -q network-security-services-for-java || network-security-services-for-java --version

2. UPGRADE to 5.5.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade network-security-services-for-java

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade network-security-services-for-java

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

redhat enterprise linux MITIGATE

Affected: 8.0 · 9.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-4132?

network security services for java: upgrade to 5.5.0; enterprise linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-4132 being exploited?

CVE-2022-4132 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-4132 affect?

CVE-2022-4132 affects network security services for java, enterprise linux. Severity is medium (CVSS 5.9). A flaw was found in JSS. A memory leak in JSS requires non-standard configuration but is a low-effort DoS vector if configured that way (repeatedly hitting the login page).

How urgent is CVE-2022-4132?

Priority 44/100. Remotely exploitable, no login, no user action; On your watchlist

Software pages

Java vulnerabilities

Related CVEs

CVE-2021-4213 HIGH 7.5 UPGRADE MITIGATE A flaw was found in JSS, where it did not properly free up all memory

References

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