CVE-2023-2618

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    CVE-2023-2618

    Published: 10 May 2023Last Modified: 12 Aug 2026

    Summary: OpenCV wechat_qrcode Module decoded_bit_stream_parser.cpp decodeHanziSegment memory leak

    Details: 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.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/2xxx/CVE-2023-2618.json, https://nvd.nist.gov/vuln/detail/CVE-2023-2618, https://vuldb.com/?id.228548, https://github.com/opencv/opencv_contrib/pull/3484, https://vuldb.com/?ctiid.228548, https://github.com/opencv/opencv_contrib/pull/3484/commits/2b62ff6181163eea029ed1cab11363b4996e9cd6

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 898c639f6ab195b81a1d3e9b2470a3f03123dd03
    Fixed -f9a59f2592993d3dcc080e495f4f5e02dd8ec7ef

    Affected versions

    4.0
    4.0.1
    4.0.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2023-2618 | CVE-DB