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CVE-2021-4213

HIGH
7.5
CVSS Score
Published: August 24, 2022 at 03:07 PM UTC
Updated: June 17, 2026 at 04:19 AM UTC
4 products affected across 3 vendorsDebian LinuxEnterprise LinuxNetwork Security Services for Java

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Severity
HIGH7.5
Exploit prediction
EPSS 2%

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 the invocation of an out-of-memory process, causing a denial of service.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Debian Linux· Debiandrupal
95%
10.011.0
Network Security Services for Java· Dogtagpki
95%
v < 4.9.35.0.0 ≤ v < 5.1.0
Affected range stops below 4.9.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.1.0, so it looks safe — our inference, not a vendor statement
Enterprise Linux· Red Hatrpm
95%
8.0
JSS· Red Hat
60%
All versions
Vendor states this is fixed in 5.2.0-beta1 (unaffected)

References (5)

x_refsource_MISCThird Party Advisory
Source: [email protected]
https://access.redhat.com/security/cve/CVE-2021-4213
x_refsource_MISCIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=2042900
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/dogtagpki/jss/commit/3aabe0e9d59b0a42e68ac8cd0468f9c5179967d2
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/dogtagpki/jss/commit/5922560a78d0dee61af8a33cc9cfbf4cfa291448
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://security-tracker.debian.org/tracker/CVE-2021-4213

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-401

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