Endless recursion exists in xkbcomp/expr.c in xkbcommon and libxkbcommon before 0.8.1, which could be used by local attackers to crash xkbcommon users by supplying a crafted keymap file that triggers boolean negation.
{
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*"
],
"source": "CPE_FIELD",
"vendor_product": "canonical:ubuntu_linux",
"extracted_events": [
{
"last_affected": "14.04"
},
{
"last_affected": "16.04"
},
{
"last_affected": "18.04"
}
]
},
{
"cpes": [
"cpe:2.3:a:xkbcommon:xkbcommon:*:*:*:*:*:*:*:*"
],
"source": "CPE_FIELD",
"vendor_product": "xkbcommon:xkbcommon",
"extracted_events": [
{
"fixed": "0.8.1"
}
]
}
]
}