CVE-2020-23921

HIGH

fast_ber <v0.4 - Buffer Overflow

Title source: llm
STIX 2.1

Description

An issue was discovered in fast_ber through v0.4. yy::yylex() in asn_compiler.hpp has a heap-based buffer over-read.

References (2)

Core 2
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/Samuel-Tyler/fast_ber/issues/30
Technical Description x_refsource_misc
https://cwe.mitre.org/data/definitions/126.html

Scores

CVSS v3 7.1
EPSS 0.0025
EPSS Percentile 48.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

Details

CWE
CWE-125
Status published
Products (1)
fast_ber_project/fast_ber < 0.4
Published Apr 21, 2021
Tracked Since Feb 18, 2026