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CVE-2023-33202

Published: Nov 23, 2023Updated: Aug 18, 2025 Sources: CVE List NVD GHSA BDUCWE-400
5.5MEDIUM
NVD MITRE
EPSS Score
0.9%
Top 43.8%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
Patch Available
Self-Check
OpenVAS

Description

Bouncy Castle for Java before 1.73 contains a potential Denial of Service (DoS) issue within the Bouncy Castle org.bouncycastle.openssl.PEMParser class. This class parses OpenSSL PEM encoded streams containing X.509 certificates, PKCS8 encoded keys, and PKCS7 objects. Parsing a file that has crafted ASN.1 data through the PEMParser causes an OutOfMemoryError, which can enable a denial of service attack. (For users of the FIPS Java API: BC-FJA 1.0.2.3 and earlier are affected; BC-FJA 1.0.2.4 is fixed.)

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:NUI:RS:UC:NI:NA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-400

Affected Products

Maven
package-ecosystem
org.bouncycastle:bcprov-ext-jdk16
OSS Libraries
org.bouncycastle:bcprov-jdk14
OSS Libraries
org.bouncycastle:bcprov-jdk15
OSS Libraries
org.bouncycastle:bcprov-jdk15to18
OSS Libraries
org.bouncycastle:bcprov-jdk16
OSS Libraries
org.bouncycastle:bcprov-jdk15on
OSS Libraries
org.bouncycastle:bcpkix-jdk18on
OSS Libraries
org.bouncycastle:bcprov-ext-jdk15on
OSS Libraries
Legion of the Bouncy Castle Inc.
oss-projectaka bouncycastle, bouncy castle fips java api (bc-fja), bc-java
bouncy castle for javaLibrary
OSS Libraries / generic-library
fips java apiLibrary
OSS Libraries / generic-library
Bouncy CastleLibrary
Security Products / pki-crypto
Red Hat Inc.
commercial·USaka red hat
Red Hat Enterprise LinuxOn-premOS
Operating Systems / linux-distro
and 2 more affected products View all →

Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://bouncycastle.org
bouncycastle.org
https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902023%E2%80%9033202
github.com
https://github.com/bcgit/bc-java/wiki/CVE-2023-33202
github.com
and 9 more references View all →
News mentions
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