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-126 CWE-125

Affected software

No affected versions have been published.

Timeline

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

Related CVEs from 2020

CVE-2020-82456.1Improper Input Validation on Citrix ADC and Citrix Gateway 13.0 before 13.0-64.35, Citrix ADC and NetScaler Gateway 12.1 before 12.1-58.15, CVE-2020-82467.5Citrix ADC and Citrix Gateway 13.0 before 13.0-64.35, Citrix ADC and NetScaler Gateway 12.1 before 12.1-58.15, Citrix ADC 12.1-FIPS before 1 CVE-2020-82478.8Citrix ADC and Citrix Gateway 13.0 before 13.0-64.35, Citrix ADC and NetScaler Gateway 12.1 before 12.1-58.15, Citrix ADC 12.1-FIPS before 1 CVE-2020-82487.8A vulnerability in the Pulse Secure Desktop Client (Linux) < 9.1R9 could allow local attackers to escalate privilege.CVE-2020-82497.8A vulnerability in the Pulse Secure Desktop Client (Linux) < 9.1R9 could allow local attackers to perform buffer overflow.CVE-2020-82507.8A vulnerability in the Pulse Secure Desktop Client (Linux) < 9.1R9 could allow local attackers to escalate privilege.CVE-2020-82517.5Node.js < 14.11.0 is vulnerable to HTTP denial of service (DoS) attacks based on delayed requests submission which can make the server unabl CVE-2020-82527.8The implementation of realpath in libuv < 10.22.1, < 12.18.4, and < 14.9.0 used within Node.js incorrectly determined the buffer size which CVE-2020-82537.5Improper authentication in Citrix XenMobile Server 10.12 before RP2, Citrix XenMobile Server 10.11 before RP4, Citrix XenMobile Server 10.10 CVE-2020-82548.8A vulnerability in the Pulse Secure Desktop Client < 9.1R9 has Remote Code Execution (RCE) if users can be convinced to connect to a malicio CVE-2020-82554.9A vulnerability in the Pulse Connect Secure < 9.1R9 admin web interface could allow an authenticated attacker to perform an arbitrary file r CVE-2020-82564.9A vulnerability in the Pulse Connect Secure < 9.1R8.2 admin web interface could allow an authenticated attacker to gain arbitrary file readi