BZ2_decompress in decompress.c in bzip2 through 1.0.6 has an out-of-bounds write when there are many selectors.Referenceshttps://lists.debian.org/debian-lts-announce/2019/06/msg00021.htmlhttps://usn.ubuntu.com/4038-2/https://usn.ubuntu.com/4038-1/https://seclists.org/bugtraq/2019/Jul/22https://lists.debian.org/debian-lts-announce/2019/07/msg00014.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-07/msg00040.htmlhttps://security.FreeBSD.org/advisories/FreeBSD-SA-19:18.bzip2.aschttps://seclists.org/bugtraq/2019/Aug/4http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00050.htmlhttps://usn.ubuntu.com/4146-1/https://usn.ubuntu.com/4146-2/https://lists.debian.org/debian-lts-announce/2019/10/msg00012.htmlhttps://lists.debian.org/debian-lts-announce/2019/10/msg00018.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-11/msg00078.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-12/msg00000.htmlhttps://lists.apache.org/thread.html/ra0adb9653c7de9539b93cc8434143b655f753b9f60580ff260becb2b%40%3Cusers.kafka.apache.org%3Ehttps://www.oracle.com/security-alerts/cpuoct2020.htmlhttp://packetstormsecurity.com/files/153644/Slackware-Security-Advisory-bzip2-Updates.htmlhttp://packetstormsecurity.com/files/153957/FreeBSD-Security-Advisory-FreeBSD-SA-19-18.bzip2.htmlhttps://gitlab.com/federicomenaquintero/bzip2/commit/74de1e2e6ffc9d51ef9824db71a8ffee5962cdbchttps://support.f5.com/csp/article/K68713584?utm_source=f5support&%3Butm_medium=RSShttps://lists.apache.org/thread.html/rda98305669476c4d90cc8527c4deda7e449019dd1fe9936b56671dd4%40%3Cuser.flink.apache.org%3Ehttps://lists.apache.org/thread.html/rce8cd8c30f60604b580ea01bebda8a671a25c9a1629f409fc24e7774%40%3Cuser.flink.apache.org%3E