CVE-2020-8244

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

A buffer over-read vulnerability exists in bl <4.0.3, <3.0.1, <2.2.1, and <1.2.3 which could allow an attacker to supply user input (even typed) that if it ends up in consume() argument and can become negative, the BufferList state can be corrupted, tricking it into exposing uninitialized memory via regular .slice() calls.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

Weakness enumeration

CWE-126CWE-125

Affected software

VendorProductVersions
n/ablFixed in 4.0.3, 3.0.1, 2.2.1, and 1.2.3

References

Timeline

Published
Aug 30, 2020
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

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