CVE-2020-23911

5.5 mediumEPSS 0.3%

Medium (5.5) in asn1c project asn1c. EPSS 0.3% chance of exploitation in the next 30 days.

An issue was discovered in asn1c through v0.9.28. A NULL pointer dereference exists in the function _default_error_logger() located in asn1fix.c. It allows an attacker to cause Denial of Service.

Severity

CVSS 3.1

5.5 medium

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 22% of CVEs (scores of 2026-10-31)
CWE: CWE-476
Published: 2023-07-18
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

asn1c_project:asn1c

References

https://github.com/vlm/asn1c/issues/394
https://github.com/vlm/asn1c/issues/394

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