CVE-2020-23856

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

Use-after-Free vulnerability in cflow 1.6 in the void call(char *name, int line) function at src/parser.c, which could cause a denial of service via the pointer variable caller->callee.

Metrics

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

Weakness enumeration

CWE-416

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

Timeline

Published: May 18, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2020

CVE-2020-238615.5A heap-based buffer overflow vulnerability exists in LibreDWG 0.10.1 via the read_system_page function at libredwg-0.10.1/src/decode_r2007.c CVE-2020-238647.8An issue exits in IOBit Malware Fighter version 8.0.2.547. Local escalation of privileges is possible by dropping a malicious DLL file into CVE-2020-238685.4NeDi 1.9C allows inc/rt-popup.php d XSS.CVE-2020-238727.5A NULL pointer dereference in the function TextPage::restoreState of pdf2xml v2.0 allows attackers to cause a denial of service (DoS).CVE-2020-238739.8pdf2xml v2.0 was discovered to contain a heap-buffer overflow in the function TextPage::dump.CVE-2020-238749.8pdf2xml v2.0 was discovered to contain a heap-buffer overflow in the function TextPage::addAttributsNode.CVE-2020-238767.5pdf2xml v2.0 was discovered to contain a memory leak in the function TextPage::testLinkedText.CVE-2020-238779.8pdf2xml v2.0 was discovered to contain a stack buffer overflow in the component getObjectStream.CVE-2020-238789.8pdf2json v0.71 was discovered to contain a stack buffer overflow in the component XRef::fetch.CVE-2020-238797.5pdf2json v0.71 was discovered to contain a NULL pointer dereference in the component ObjectStream::getObject.CVE-2020-238845.5A buffer overflow in Nomacs v3.15.0 allows attackers to cause a denial of service (DoS) via a crafted MNG file.CVE-2020-238865.5XnView MP v0.96.4 was discovered to contain a heap overflow which allows attackers to cause a denial of service (DoS) via a crafted pict fil