title: Libdwarf: crashes randomly on fuzzed object
description: A double-free vulnerability was found in libdwarf. In a multiply-corrupted DWARF object, libdwarf may try to dealloc(free) an allocation twice, potentially causing unpredictable and various results.
problem types: Double Free
affected:
{
product: libdwarf
vendor: n/a
defaultStatus: affected
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 7
collectionURL: https://access.redhat.com/downloads/content/package-browser/
packageName: libdwarf
defaultStatus: unknown
cpes: cpe:/o:redhat:enterprise_linux:7
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 8
collectionURL: https://access.redhat.com/downloads/content/package-browser/
packageName: libdwarf
defaultStatus: unknown
cpes: cpe:/o:redhat:enterprise_linux:8
}
{
product: Fedora
vendor: Fedora
collectionURL: https://packages.fedoraproject.org/
packageName: libdwarf
defaultStatus: affected
}
metrics:
other: [
content: {'value': 'Moderate', 'namespace': 'https://access.redhat.com/security/updates/classification/'}
type: Red Hat severity rating
]