There is an infinite loop in Exiv2::Jp2Image::encodeJp2Header of jp2image.cpp in Exiv2 0.27-RC3. A crafted input will lead to a denial of service attack.

Upstream issue:

https://github.com/Exiv2/exiv2/issues/590

References:

https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206

There is a heap-based buffer over-read in Exiv2::Jp2Image::encodeJp2Header of jp2image.cpp in Exiv2 0.27-RC3. A crafted input will lead to a denial of service attack.

Upstream issue:

https://github.com/Exiv2/exiv2/issues/590

References:

https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206

There is a heap-based buffer over-read in the Exiv2::tEXtToDataBuf function of pngimage.cpp in Exiv2 0.27-RC3. A crafted input will lead to a denial of service attack.

Upstream issue:

https://github.com/Exiv2/exiv2/issues/590

References:

https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206