CVE-2021-39539

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

An issue was discovered in pdftools through 20200714. A NULL pointer dereference exists in the function node::BDCNode::~BDCNode() located in bdcnode.cpp. 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-2021-395407.8An issue was discovered in pdftools through 20200714. A stack-buffer-overflow exists in the function Analyze::AnalyzePages() located in analCVE-2021-395415.5An issue was discovered in pdftools through 20200714. A NULL pointer dereference exists in the function Analyze::AnalyzeXref() located in anCVE-2021-395425.5An issue was discovered in pdftools through 20200714. A NULL pointer dereference exists in the function Font::Size() located in font.cpp. ItCVE-2021-395435.5An issue was discovered in pdftools through 20200714. A NULL pointer dereference exists in the function Analyze::AnalyzeRoot() located in anCVE-2021-395447.8An issue was discovered in sela through 20200412. file::WavFile::writeToFile() in wav_file.c has a heap-based buffer overflow.CVE-2021-395455.5An issue was discovered in sela through 20200412. A NULL pointer dereference exists in the function rice::RiceDecoder::process() located in CVE-2021-395467.8An issue was discovered in sela through 20200412. rice::RiceDecoder::process() in rice_decoder.cpp has a heap-based buffer overflow.CVE-2021-395475.5An issue was discovered in sela through 20200412. A NULL pointer dereference exists in the function lpc::SampleGenerator::process() located CVE-2021-395485.5An issue was discovered in sela through 20200412. A NULL pointer dereference exists in the function frame::FrameDecoder::process() located iCVE-2021-395495.5An issue was discovered in sela through 20200412. A NULL pointer dereference exists in the function file::WavFile::WavFile() located in wav_CVE-2021-395507.8An issue was discovered in sela through 20200412. file::SelaFile::readFromFile() in sela_file.cpp has a heap-based buffer overflow.CVE-2021-395517.8An issue was discovered in sela through 20200412. file::SelaFile::readFromFile() in sela_file.c has a heap-based buffer overflow.
CVE-2021-39539: Medium severity, CVSS 5.5 | Vulnix