Fix oss-fuzz bugs 391934081 and 392318892#26854
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asmorkalov merged 2 commits intoopencv:4.xfrom Jan 31, 2025
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asmorkalov
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Jan 29, 2025
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I also switched the alpha to no be transparent: it does not matter anyway as it is not included in the spec (it is a background color) but we might as well have the color be usable. |
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Actually, I switched back to having alpha == 0: this is more consistent with the |
- fix a potential overflow in x0+w0 - use the proper function to deal with background color to deal with all cases of the spec
asmorkalov
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Jan 31, 2025
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Fix oss-fuzz bugs 391934081 and 392318892 opencv#26854 - fix a potential overflow in x0+w0 - use the proper function to deal with background color to deal with all cases of the spec - use BGR layout for APNG background color ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [x] I agree to contribute to the project under Apache 2 License. - [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV - [x] The PR is proposed to the proper branch - [x] There is a reference to the original bug report and related work - [ ] There is accuracy test, performance test and test data in opencv_extra repository, if applicable Patch to opencv_extra has the same branch name. - [ ] The feature is well documented and sample code can be built with the project CMake
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Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
Patch to opencv_extra has the same branch name.