The wordexp function in the GNU C Library (aka glibc) through 2.33 may crash or read arbitrary memory in parse_param (in posix/wordexp.c) when called with an untrusted, crafted pattern, potentially resulting in a denial of service or disclosure of information. This occurs because atoi was used but strtoul should have been used to ensure correct calculations.
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "ubuntu_priority": "low", "binaries": [ { "libc6-s390-dbgsym": "2.23-0ubuntu11.3+esm2", "libc6-dev": "2.23-0ubuntu11.3+esm2", "libc6-udeb-dbgsym": "2.23-0ubuntu11.3+esm2", "multiarch-support": "2.23-0ubuntu11.3+esm2", "libc6-dev-s390": "2.23-0ubuntu11.3+esm2", "libc6-dev-i386": "2.23-0ubuntu11.3+esm2", "locales-all": "2.23-0ubuntu11.3+esm2", "libc6-amd64-dbgsym": "2.23-0ubuntu11.3+esm2", "glibc-source": "2.23-0ubuntu11.3+esm2", "libc6-dev-amd64": "2.23-0ubuntu11.3+esm2", "libc6-pic": "2.23-0ubuntu11.3+esm2", "nscd-dbgsym": "2.23-0ubuntu11.3+esm2", "nscd": "2.23-0ubuntu11.3+esm2", "glibc-doc": "2.23-0ubuntu11.3+esm2", "libc6-armel": "2.23-0ubuntu11.3+esm2", "libc6-dbg": "2.23-0ubuntu11.3+esm2", "libc6": "2.23-0ubuntu11.3+esm2", "libc6-armel-dbgsym": "2.23-0ubuntu11.3+esm2", "libc-bin": "2.23-0ubuntu11.3+esm2", "libc6-i386": "2.23-0ubuntu11.3+esm2", "libc6-udeb": "2.23-0ubuntu11.3+esm2", "libc6-dev-x32": "2.23-0ubuntu11.3+esm2", "libc-bin-dbgsym": "2.23-0ubuntu11.3+esm2", "libc-dev-bin": "2.23-0ubuntu11.3+esm2", "libc6-amd64": "2.23-0ubuntu11.3+esm2", "libc6-x32": "2.23-0ubuntu11.3+esm2", "libc6-dbgsym": "2.23-0ubuntu11.3+esm2", "libc6-s390": "2.23-0ubuntu11.3+esm2", "libc6-dev-armel": "2.23-0ubuntu11.3+esm2", "libc6-i386-dbgsym": "2.23-0ubuntu11.3+esm2", "locales": "2.23-0ubuntu11.3+esm2", "libc-dev-bin-dbgsym": "2.23-0ubuntu11.3+esm2", "libc6-x32-dbgsym": "2.23-0ubuntu11.3+esm2" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "low", "binaries": [ { "libc6-s390-dbgsym": "2.27-3ubuntu1.5", "libc6-dev": "2.27-3ubuntu1.5", "multiarch-support": "2.27-3ubuntu1.5", "libc6-dev-s390": "2.27-3ubuntu1.5", "libc6-dev-i386": "2.27-3ubuntu1.5", "locales-all": "2.27-3ubuntu1.5", "libc6-amd64-dbgsym": "2.27-3ubuntu1.5", "libc6-pic": "2.27-3ubuntu1.5", "glibc-source": "2.27-3ubuntu1.5", "libc6-dev-amd64": "2.27-3ubuntu1.5", "nscd-dbgsym": "2.27-3ubuntu1.5", "nscd": "2.27-3ubuntu1.5", "glibc-doc": "2.27-3ubuntu1.5", "libc6-armel": "2.27-3ubuntu1.5", "libc6-armel-dbgsym": "2.27-3ubuntu1.5", "libc6": "2.27-3ubuntu1.5", "libc6-dbg": "2.27-3ubuntu1.5", "libc-bin": "2.27-3ubuntu1.5", "libc6-i386": "2.27-3ubuntu1.5", "libc6-udeb": "2.27-3ubuntu1.5", "libc6-dev-x32": "2.27-3ubuntu1.5", "libc-bin-dbgsym": "2.27-3ubuntu1.5", "libc-dev-bin": "2.27-3ubuntu1.5", "libc6-amd64": "2.27-3ubuntu1.5", "libc6-x32": "2.27-3ubuntu1.5", "libc6-s390": "2.27-3ubuntu1.5", "libc6-dev-armel": "2.27-3ubuntu1.5", "libc6-i386-dbgsym": "2.27-3ubuntu1.5", "locales": "2.27-3ubuntu1.5", "libc6-lse": "2.27-3ubuntu1.5", "libc-dev-bin-dbgsym": "2.27-3ubuntu1.5", "libc6-x32-dbgsym": "2.27-3ubuntu1.5" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "low", "binaries": [ { "libc6-s390-dbgsym": "2.31-0ubuntu9.7", "libc6-dev": "2.31-0ubuntu9.7", "libc6-dev-s390": "2.31-0ubuntu9.7", "libc6-dev-i386": "2.31-0ubuntu9.7", "locales-all": "2.31-0ubuntu9.7", "libc6-amd64-dbgsym": "2.31-0ubuntu9.7", "libc6-pic": "2.31-0ubuntu9.7", "glibc-source": "2.31-0ubuntu9.7", "libc6-dev-amd64": "2.31-0ubuntu9.7", "nscd-dbgsym": "2.31-0ubuntu9.7", "nscd": "2.31-0ubuntu9.7", "glibc-doc": "2.31-0ubuntu9.7", "libc6-armel": "2.31-0ubuntu9.7", "libc6-armel-dbgsym": "2.31-0ubuntu9.7", "libc6": "2.31-0ubuntu9.7", "libc6-dbg": "2.31-0ubuntu9.7", "libc-bin": "2.31-0ubuntu9.7", "libc6-i386": "2.31-0ubuntu9.7", "libc6-udeb": "2.31-0ubuntu9.7", "libc6-dev-x32": "2.31-0ubuntu9.7", "libc-bin-dbgsym": "2.31-0ubuntu9.7", "libc-dev-bin": "2.31-0ubuntu9.7", "libc6-amd64": "2.31-0ubuntu9.7", "libc6-x32": "2.31-0ubuntu9.7", "libc6-prof": "2.31-0ubuntu9.7", "libc6-s390": "2.31-0ubuntu9.7", "libc6-dev-armel": "2.31-0ubuntu9.7", "libc6-i386-dbgsym": "2.31-0ubuntu9.7", "locales": "2.31-0ubuntu9.7", "libc6-lse": "2.31-0ubuntu9.7", "libc-dev-bin-dbgsym": "2.31-0ubuntu9.7", "libc6-x32-dbgsym": "2.31-0ubuntu9.7" } ] }