CVE-2023-39914

BER/CER/DER decoder panics on invalid input

Description

NLnet Labs' bcder library up to and including version 0.7.2 panics while decoding certain invalid input data rather than rejecting the data with an error. This can affect both the actual decoding stage as well as accessing content of types that utilized delayed decoding.

Remediation

Solution:

  • This issue is fixed in 0.7.3 and all later versions.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.35%
Vendor Advisory nlnetlabs.nl
Affected: NLnet Labs bcder
Published at:
Updated at:

References

Link Tags
https://nlnetlabs.nl/downloads/bcder/CVE-2023-39914.txt vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-39914?
CVE-2023-39914 has been scored as a high severity vulnerability.
How to fix CVE-2023-39914?
To fix CVE-2023-39914: This issue is fixed in 0.7.3 and all later versions.
Is CVE-2023-39914 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-39914 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-39914?
CVE-2023-39914 affects NLnet Labs bcder.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.