CVE Tools
Sign in

CVE-2023-2617

OpenCV wechat_qrcode Module decoded_bit_stream_parser.cpp decodeByteSegment null pointer dereference

Published: May 10, 2023Updated: Jan 27, 2025 Sources: CVE List NVDCWE-476
NVD MITRE
5.3CVSSMEDIUM
EPSS Score
1.4%
Top 32.0%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

Description

A vulnerability classified as problematic was found in OpenCV wechat_qrcode Module up to 4.7.0. Affected by this vulnerability is the function DecodedBitStreamParser::decodeByteSegment of the file qrcode/decoder/decoded_bit_stream_parser.cpp. The manipulation leads to null pointer dereference. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-228547.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:LAvailability
Low
Open in CVSS calculator →

Weaknesses

CWE-476

Affected Products

opencvopencv
Library
OSS Libraries / generic-library
wechat_qrcode ModuleOpenCV
Library
OSS Libraries / generic-library
opencvoss-projectOSS Librariesaka opencv, opencv-python, wechat_qrcode module

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

2 techniques
Impact
Initial Access
View detailed technique mapping

References

https://gist.github.com/GZTimeWalker/3ca70a8af2f5830711e9cccc73fb5270
gist.github.com
https://github.com/opencv/opencv_contrib/pull/3480
github.com
https://vuldb.com/?ctiid.228547
vuldb.com
and 1 more references View all →

Timeline

Published
May 10, 2023
Last Updated
Jan 27, 2025

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2023-2617 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows