CVE-2023-2618

Name	CVE-2023-2618
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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	1035954

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
opencv (PTS)	bullseye	4.5.1+dfsg-5	fixed
	bookworm	4.6.0+dfsg-12	fixed
	sid, trixie	4.6.0+dfsg-14	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Debian Bugs
opencv	source	buster	(not affected)
opencv	source	bullseye	(not affected)
opencv	source	(unstable)	4.6.0+dfsg-12	1035954

Notes

[bullseye] - opencv <not-affected> (Vulnerable code not present)
[buster] - opencv <not-affected> (Vulnerable code not present)
https://github.com/opencv/opencv_contrib/pull/3484
https://github.com/opencv/opencv_contrib/commit/2b62ff6181163eea029ed1cab11363b4996e9cd6