CVE-2021-39559

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

An issue was discovered in swftools through 20200710. A NULL pointer dereference exists in the function GString::~GString() located in GString.cc. It allows an attacker to cause Denial of Service.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

No affected versions have been published.

Timeline

Published
Sep 20, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-39565.3A read-only authentication bypass vulnerability was reported in the Third Quarter 2021 release of Lenovo XClarity Controller (XCC) firmware CVE-2021-395617.8An issue was discovered in swftools through 20200710. A stack-buffer-overflow exists in the function Gfx::opSetFillColorN() located in Gfx.cCVE-2021-395625.5An issue was discovered in swftools through 20200710. A NULL pointer dereference exists in the function FileStream::makeSubStream() located CVE-2021-395635.5An issue was discovered in swftools through 20200710. A NULL pointer dereference exists in the function swf_DumpActions() located in swfactiCVE-2021-395647.8An issue was discovered in swftools through 20200710. A heap-buffer-overflow exists in the function swf_DumpActions() located in swfaction.cCVE-2021-395697.8An issue was discovered in swftools through 20200710. A heap-buffer-overflow exists in the function OpAdvance() located in swfaction.c. It aCVE-2021-39574.3kimai2 is vulnerable to Cross-Site Request Forgery (CSRF)CVE-2021-395747.8An issue was discovered in swftools through 20200710. A heap-buffer-overflow exists in the function pool_read() located in pool.c. It allowsCVE-2021-395755.5An issue was discovered in swftools through 20200710. A NULL pointer dereference exists in the function dump_method() located in abc.c. It aCVE-2021-395777.8An issue was discovered in swftools through 20200710. A heap-buffer-overflow exists in the function main() located in swfdump.c. It allows aCVE-2021-395797.8An issue was discovered in swftools through 20200710. A heap-buffer-overflow exists in the function string_hash() located in q.c. It allows CVE-2021-39589.8Improper Handling of Parameters vulnerability in Ipack Automation Systems Ipack SCADA Software allows : Blind SQL Injection.This issue affec
CVE-2021-39559: Medium severity, CVSS 5.5 | Vulnix