CVE-2023-2618

Name: CVE-2023-2618
Creator: NVD / NIST
Published: 2023-05-10T06:15:17.577+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.30%

Last modified Jun 17, 2026

CVE-2023-2618 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 1.30% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.30%

66.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-401

Affected Software

Vendor	Product	Versions
Opencv	Opencv	>= 4.5.2, < 4.8.0

References

https://github.com/opencv/opencv_contrib/pull/3484Patch
https://github.com/opencv/opencv_contrib/pull/3484/commits/2b62ff6181163eea029ed1cab11363b4996e9cd6Patch
https://vuldb.com/?ctiid.228548Permissions Required
https://vuldb.com/?id.228548Third Party Advisory
https://github.com/opencv/opencv_contrib/pull/3484Patch
https://github.com/opencv/opencv_contrib/pull/3484/commits/2b62ff6181163eea029ed1cab11363b4996e9cd6Patch
https://vuldb.com/?ctiid.228548Permissions Required
https://vuldb.com/?id.228548Third Party Advisory

Timeline

Published: May 10, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-2618?

How severe is CVE-2023-2618?

CVE-2023-2618 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.30% probability of exploitation in the next 30 days.

How do I fix CVE-2023-2618?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-2618?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST