Multiple integer overflows in the (1) curl_escape, (2) curl_easy_escape, (3) curl_unescape, and (4) curl_easy_unescape functions in libcurl before 7.50.3 allow attackers to have unspecified impact via a string of length 0xffffffff, which triggers a heap-based buffer overflow.
www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
www.securityfocus.com/bid/92975
www.securitytracker.com/id/1036813
www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.538632
access.redhat.com/errata/RHSA-2017:2016
access.redhat.com/errata/RHSA-2018:2486
access.redhat.com/errata/RHSA-2018:3558
curl.haxx.se/docs/adv_20160914.html
lists.debian.org/debian-lts-announce/2018/11/msg00005.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B3IU2FRXQNU6UJIQT4NGLWWTP2GJQXO7/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LTH54DFOS4TSYPG5XKJDGAG4XPAR4T7M/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZMRWVISG7VUCYRMF23A2UHMYD72VQWAK/
security.gentoo.org/glsa/201701-47