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CVE-2023-39914

BER/CER/DER decoder panics on invalid input

HIGH
7.5
CVSS Score
Published: September 13, 2023 at 02:17 PM UTC
Updated: June 17, 2026 at 06:12 AM UTC
1 product affected across 1 vendorBcder

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Severity
HIGH7.5
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

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.

Affected

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

Bcder· Nlnetlabs
95%
v < 0.7.3
Vendor states this is fixed in 0.7.3 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://nlnetlabs.nl/downloads/bcder/CVE-2023-39914.txt

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHNLnet Labs
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-232CWE-240NVD-CWE-noinfo

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