CVE-2023-2618

OpenCV wechat_qrcode Module decoded_bit_stream_parser.cpp decodeHanziSegment memory leak

HIGH
7.5
CVSS Score
Published: May 10, 2023 at 05:31 AM UTC
Updated: June 17, 2026 at 05:53 AM UTC
1 product affected across 1 vendorOpenCV

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Severity
HIGH7.5
Exploit prediction
EPSS 1%

Description

A vulnerability, which was classified as problematic, has been found in OpenCV wechat_qrcode Module up to 4.7.0. Affected by this issue is the function DecodedBitStreamParser::decodeHanziSegment of the file qrcode/decoder/decoded_bit_stream_parser.cpp. The manipulation leads to memory leak. The attack may be launched remotely. The name of the patch is 2b62ff6181163eea029ed1cab11363b4996e9cd6. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-228548.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

4.5.2 ≤ v < 4.8.04.04.14.24.34.44.54.64.7
Affected range stops below 4.8.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-401

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