The regcomp function in the GNU C library version from 2.4 to 2.41 is subject to a double free if some previous allocation fails. It can be accomplished either by a malloc failure or by using an interposed malloc that injects random malloc failures. The double free can allow buffer manipulation depending of how the regex is constructed. This issue affects all architectures and ABIs supported by the GNU C library.
{
"availability": "No subscription required",
"binaries": [
{
"binary_version": "2.35-0ubuntu3.11",
"binary_name": "glibc-source"
},
{
"binary_version": "2.35-0ubuntu3.11",
"binary_name": "libc-bin"
},
{
"binary_version": "2.35-0ubuntu3.11",
"binary_name": "libc-dev-bin"
},
{
"binary_version": "2.35-0ubuntu3.11",
"binary_name": "libc-devtools"
},
{
"binary_version": "2.35-0ubuntu3.11",
"binary_name": "libc6"
},
{
"binary_version": "2.35-0ubuntu3.11",
"binary_name": "libc6-amd64"
},
{
"binary_version": "2.35-0ubuntu3.11",
"binary_name": "libc6-dev"
},
{
"binary_version": "2.35-0ubuntu3.11",
"binary_name": "libc6-dev-amd64"
},
{
"binary_version": "2.35-0ubuntu3.11",
"binary_name": "libc6-dev-i386"
},
{
"binary_version": "2.35-0ubuntu3.11",
"binary_name": "libc6-dev-s390"
},
{
"binary_version": "2.35-0ubuntu3.11",
"binary_name": "libc6-dev-x32"
},
{
"binary_version": "2.35-0ubuntu3.11",
"binary_name": "libc6-i386"
},
{
"binary_version": "2.35-0ubuntu3.11",
"binary_name": "libc6-prof"
},
{
"binary_version": "2.35-0ubuntu3.11",
"binary_name": "libc6-s390"
},
{
"binary_version": "2.35-0ubuntu3.11",
"binary_name": "libc6-x32"
},
{
"binary_version": "2.35-0ubuntu3.11",
"binary_name": "locales"
},
{
"binary_version": "2.35-0ubuntu3.11",
"binary_name": "locales-all"
},
{
"binary_version": "2.35-0ubuntu3.11",
"binary_name": "nscd"
}
]
}{
"availability": "No subscription required",
"binaries": [
{
"binary_version": "2.39-0ubuntu8.6",
"binary_name": "glibc-source"
},
{
"binary_version": "2.39-0ubuntu8.6",
"binary_name": "libc-bin"
},
{
"binary_version": "2.39-0ubuntu8.6",
"binary_name": "libc-dev-bin"
},
{
"binary_version": "2.39-0ubuntu8.6",
"binary_name": "libc-devtools"
},
{
"binary_version": "2.39-0ubuntu8.6",
"binary_name": "libc6"
},
{
"binary_version": "2.39-0ubuntu8.6",
"binary_name": "libc6-amd64"
},
{
"binary_version": "2.39-0ubuntu8.6",
"binary_name": "libc6-dev"
},
{
"binary_version": "2.39-0ubuntu8.6",
"binary_name": "libc6-dev-amd64"
},
{
"binary_version": "2.39-0ubuntu8.6",
"binary_name": "libc6-dev-i386"
},
{
"binary_version": "2.39-0ubuntu8.6",
"binary_name": "libc6-dev-s390"
},
{
"binary_version": "2.39-0ubuntu8.6",
"binary_name": "libc6-dev-x32"
},
{
"binary_version": "2.39-0ubuntu8.6",
"binary_name": "libc6-i386"
},
{
"binary_version": "2.39-0ubuntu8.6",
"binary_name": "libc6-s390"
},
{
"binary_version": "2.39-0ubuntu8.6",
"binary_name": "libc6-x32"
},
{
"binary_version": "2.39-0ubuntu8.6",
"binary_name": "locales"
},
{
"binary_version": "2.39-0ubuntu8.6",
"binary_name": "locales-all"
},
{
"binary_version": "2.39-0ubuntu8.6",
"binary_name": "nscd"
}
]
}{
"binaries": [
{
"binary_version": "2.19-0ubuntu6.15+esm4",
"binary_name": "eglibc-source"
},
{
"binary_version": "2.19-0ubuntu6.15+esm4",
"binary_name": "libc-bin"
},
{
"binary_version": "2.19-0ubuntu6.15+esm4",
"binary_name": "libc-dev-bin"
},
{
"binary_version": "2.19-0ubuntu6.15+esm4",
"binary_name": "libc6"
},
{
"binary_version": "2.19-0ubuntu6.15+esm4",
"binary_name": "libc6-amd64"
},
{
"binary_version": "2.19-0ubuntu6.15+esm4",
"binary_name": "libc6-armel"
},
{
"binary_version": "2.19-0ubuntu6.15+esm4",
"binary_name": "libc6-dev"
},
{
"binary_version": "2.19-0ubuntu6.15+esm4",
"binary_name": "libc6-dev-amd64"
},
{
"binary_version": "2.19-0ubuntu6.15+esm4",
"binary_name": "libc6-dev-armel"
},
{
"binary_version": "2.19-0ubuntu6.15+esm4",
"binary_name": "libc6-dev-i386"
},
{
"binary_version": "2.19-0ubuntu6.15+esm4",
"binary_name": "libc6-dev-x32"
},
{
"binary_version": "2.19-0ubuntu6.15+esm4",
"binary_name": "libc6-i386"
},
{
"binary_version": "2.19-0ubuntu6.15+esm4",
"binary_name": "libc6-pic"
},
{
"binary_version": "2.19-0ubuntu6.15+esm4",
"binary_name": "libc6-prof"
},
{
"binary_version": "2.19-0ubuntu6.15+esm4",
"binary_name": "libc6-x32"
},
{
"binary_version": "2.19-0ubuntu6.15+esm4",
"binary_name": "multiarch-support"
},
{
"binary_version": "2.19-0ubuntu6.15+esm4",
"binary_name": "nscd"
}
]
}{
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_version": "2.23-0ubuntu11.3+esm9",
"binary_name": "glibc-source"
},
{
"binary_version": "2.23-0ubuntu11.3+esm9",
"binary_name": "libc-bin"
},
{
"binary_version": "2.23-0ubuntu11.3+esm9",
"binary_name": "libc-dev-bin"
},
{
"binary_version": "2.23-0ubuntu11.3+esm9",
"binary_name": "libc6"
},
{
"binary_version": "2.23-0ubuntu11.3+esm9",
"binary_name": "libc6-amd64"
},
{
"binary_version": "2.23-0ubuntu11.3+esm9",
"binary_name": "libc6-armel"
},
{
"binary_version": "2.23-0ubuntu11.3+esm9",
"binary_name": "libc6-dev"
},
{
"binary_version": "2.23-0ubuntu11.3+esm9",
"binary_name": "libc6-dev-amd64"
},
{
"binary_version": "2.23-0ubuntu11.3+esm9",
"binary_name": "libc6-dev-armel"
},
{
"binary_version": "2.23-0ubuntu11.3+esm9",
"binary_name": "libc6-dev-i386"
},
{
"binary_version": "2.23-0ubuntu11.3+esm9",
"binary_name": "libc6-dev-s390"
},
{
"binary_version": "2.23-0ubuntu11.3+esm9",
"binary_name": "libc6-dev-x32"
},
{
"binary_version": "2.23-0ubuntu11.3+esm9",
"binary_name": "libc6-i386"
},
{
"binary_version": "2.23-0ubuntu11.3+esm9",
"binary_name": "libc6-pic"
},
{
"binary_version": "2.23-0ubuntu11.3+esm9",
"binary_name": "libc6-s390"
},
{
"binary_version": "2.23-0ubuntu11.3+esm9",
"binary_name": "libc6-x32"
},
{
"binary_version": "2.23-0ubuntu11.3+esm9",
"binary_name": "locales"
},
{
"binary_version": "2.23-0ubuntu11.3+esm9",
"binary_name": "locales-all"
},
{
"binary_version": "2.23-0ubuntu11.3+esm9",
"binary_name": "multiarch-support"
},
{
"binary_version": "2.23-0ubuntu11.3+esm9",
"binary_name": "nscd"
}
]
}{
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_version": "2.27-3ubuntu1.6+esm6",
"binary_name": "glibc-source"
},
{
"binary_version": "2.27-3ubuntu1.6+esm6",
"binary_name": "libc-bin"
},
{
"binary_version": "2.27-3ubuntu1.6+esm6",
"binary_name": "libc-dev-bin"
},
{
"binary_version": "2.27-3ubuntu1.6+esm6",
"binary_name": "libc6"
},
{
"binary_version": "2.27-3ubuntu1.6+esm6",
"binary_name": "libc6-amd64"
},
{
"binary_version": "2.27-3ubuntu1.6+esm6",
"binary_name": "libc6-armel"
},
{
"binary_version": "2.27-3ubuntu1.6+esm6",
"binary_name": "libc6-dev"
},
{
"binary_version": "2.27-3ubuntu1.6+esm6",
"binary_name": "libc6-dev-amd64"
},
{
"binary_version": "2.27-3ubuntu1.6+esm6",
"binary_name": "libc6-dev-armel"
},
{
"binary_version": "2.27-3ubuntu1.6+esm6",
"binary_name": "libc6-dev-i386"
},
{
"binary_version": "2.27-3ubuntu1.6+esm6",
"binary_name": "libc6-dev-s390"
},
{
"binary_version": "2.27-3ubuntu1.6+esm6",
"binary_name": "libc6-dev-x32"
},
{
"binary_version": "2.27-3ubuntu1.6+esm6",
"binary_name": "libc6-i386"
},
{
"binary_version": "2.27-3ubuntu1.6+esm6",
"binary_name": "libc6-lse"
},
{
"binary_version": "2.27-3ubuntu1.6+esm6",
"binary_name": "libc6-pic"
},
{
"binary_version": "2.27-3ubuntu1.6+esm6",
"binary_name": "libc6-s390"
},
{
"binary_version": "2.27-3ubuntu1.6+esm6",
"binary_name": "libc6-x32"
},
{
"binary_version": "2.27-3ubuntu1.6+esm6",
"binary_name": "locales"
},
{
"binary_version": "2.27-3ubuntu1.6+esm6",
"binary_name": "locales-all"
},
{
"binary_version": "2.27-3ubuntu1.6+esm6",
"binary_name": "multiarch-support"
},
{
"binary_version": "2.27-3ubuntu1.6+esm6",
"binary_name": "nscd"
}
]
}{
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_version": "2.31-0ubuntu9.18+esm1",
"binary_name": "glibc-source"
},
{
"binary_version": "2.31-0ubuntu9.18+esm1",
"binary_name": "libc-bin"
},
{
"binary_version": "2.31-0ubuntu9.18+esm1",
"binary_name": "libc-dev-bin"
},
{
"binary_version": "2.31-0ubuntu9.18+esm1",
"binary_name": "libc6"
},
{
"binary_version": "2.31-0ubuntu9.18+esm1",
"binary_name": "libc6-amd64"
},
{
"binary_version": "2.31-0ubuntu9.18+esm1",
"binary_name": "libc6-armel"
},
{
"binary_version": "2.31-0ubuntu9.18+esm1",
"binary_name": "libc6-dev"
},
{
"binary_version": "2.31-0ubuntu9.18+esm1",
"binary_name": "libc6-dev-amd64"
},
{
"binary_version": "2.31-0ubuntu9.18+esm1",
"binary_name": "libc6-dev-armel"
},
{
"binary_version": "2.31-0ubuntu9.18+esm1",
"binary_name": "libc6-dev-i386"
},
{
"binary_version": "2.31-0ubuntu9.18+esm1",
"binary_name": "libc6-dev-s390"
},
{
"binary_version": "2.31-0ubuntu9.18+esm1",
"binary_name": "libc6-dev-x32"
},
{
"binary_version": "2.31-0ubuntu9.18+esm1",
"binary_name": "libc6-i386"
},
{
"binary_version": "2.31-0ubuntu9.18+esm1",
"binary_name": "libc6-lse"
},
{
"binary_version": "2.31-0ubuntu9.18+esm1",
"binary_name": "libc6-pic"
},
{
"binary_version": "2.31-0ubuntu9.18+esm1",
"binary_name": "libc6-prof"
},
{
"binary_version": "2.31-0ubuntu9.18+esm1",
"binary_name": "libc6-s390"
},
{
"binary_version": "2.31-0ubuntu9.18+esm1",
"binary_name": "libc6-x32"
},
{
"binary_version": "2.31-0ubuntu9.18+esm1",
"binary_name": "locales"
},
{
"binary_version": "2.31-0ubuntu9.18+esm1",
"binary_name": "locales-all"
},
{
"binary_version": "2.31-0ubuntu9.18+esm1",
"binary_name": "nscd"
}
]
}