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TI-2023-02446 Aliases CVE-2023-2617GHSA-3r96-chfr-mwjp

OpenCV wechat_qrcode Module decoded_bit_stream_parser.cpp decodeByteSegment null pointer dereference

Priority HIGH 72CWE-476Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Will not fix Red Hat: no fix planned

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-476.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01356 71st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Will not fix Red Hat: no fix planned

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
OpenCVwechat_qrcode Module4.0; 4.1; 4.2; 4.3; 4.4; 4.5; 4.6; 4.7—No fix listedCNA
  • wechat_qrcode Module VendorOpenCV Affected 4.0; 4.1; 4.2; 4.3; 4.4; 4.5; 4.6; 4.7 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:opencv:opencv:*:*:*:*:*:*:*:*4.5.2 – 4.7.0VulnerableOpenCV
  • cpe:2.3:a:opencv:opencv:*:*:*:*:*:*:*:* Versions 4.5.2 – 4.7.0 Vulnerable ·OpenCV

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat JBoss Enterprise Application Platform 6AffectedNo fix planned: Out of support scope
Not affected: 4 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Single Sign-On 7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-2617
  2. 2026-10-03 Alias added: GHSA-3r96-chfr-mwjp

References

Exploit 1

Patch 1

  • TI-2018-05558 The validateInputImageSize function in modules/imgcodecs/src/loadsave.cpp in OpenCV 3.4.1… CVSS 3.1HIGH 7.5
  • TI-2019-03524 Buffer overflow in OpenCV CVSS 3.1HIGH 8.8
  • TI-2019-03525 Buffer overflow in OpenCV CVSS 3.1HIGH 8.8
  • TI-2017-14661 In opencv/modules/imgcodecs/src/utils.cpp, functions FillUniColor and FillUniGray do not… CVSS 3.1HIGH 8.8
  • TI-2017-09525 In modules/imgcodecs/src/grfmt_pxm.cpp, the length of buffer AutoBuffer _src is small… CVSS 3.1HIGH 8.8
  • TI-2017-09527 In opencv/modules/imgcodecs/src/grfmt_pxm.cpp, function ReadNumber did not checkout the… CVSS 3.1HIGH 8.8
See all 34 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences