HOMEVULNERABILITIESCVE-2023-2618
HIGH

CVE-2023-2618

CWE-401Published: May 10, 2023· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2023-2618 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

opencv1 product(s)
opencv
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/opencv/opencv_contrib/pull/3484
PATCHhttps://github.com/opencv/opencv_contrib/pull/3484/commits/2b62ff6181163eea029ed1cab11363b4996e9cd6
PATCHhttps://github.com/opencv/opencv_contrib/pull/3484
PATCHhttps://github.com/opencv/opencv_contrib/pull/3484/commits/2b62ff6181163eea029ed1cab11363b4996e9cd6
ADVISORYhttps://vuldb.com/?id.228548
ADVISORYhttps://vuldb.com/?id.228548

All References (8)

→
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

Quick Facts

CVE IDCVE-2023-2618
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-401
CISA KEVNo
Affected1 vendor(s)
PublishedMay 10, 2023

Related CVEs (CWE-401)

CVE-2019-6128
8.8
CVE-2019-17340
8.8
CVE-2023-33718
8.8
CVE-2021-40633
8.8
CVE-2026-0646
8.7
CVE-2025-20239
8.6

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-2618 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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