CVE-2019-15145

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CVE-2019-15145

Summary:

Details: DjVuLibre 3.5.27 allows attackers to cause a denial-of-service attack (application crash via an out-of-bounds read) by crafting a corrupted JB2 image file that is mishandled in JB2Dict::JB2Codec::get_direct_context in libdjvu/JB2Image.h because of a missing zero-bytes check in libdjvu/GBitmap.h.

References: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JO65AWU7LEWNF6DDCZPRFTR2ZPP5XK6L/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M7F7544WASYMOTFDR2WUEOQLN3ZEXNU4/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QUEME45HVGTMDOYODAZYQOGWSZ2CEFWZ/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FPMG3VY33XGMIKE6QDYIUVS6A7GNTHTK/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RYZTGKWY3NAKMIMTFYGN4ZO5XEQWPYRL/, https://security.gentoo.org/glsa/202007-36, https://usn.ubuntu.com/4198-1/, http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00086.html, https://www.debian.org/security/2021/dsa-5032, http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00087.html, https://lists.debian.org/debian-lts-announce/2019/08/msg00036.html, https://lists.debian.org/debian-lts-announce/2021/05/msg00022.html, https://sourceforge.net/p/djvu/djvulibre-git/ci/9658b01431cd7ff6344d7787f855179e73fe81a7/, https://sourceforge.net/p/djvu/bugs/298/