An attacker who submits a crafted tar file with size in header struct being 0 may be able to trigger an calling of malloc(0) for a variable gnu_longlink, causing an out-of-bounds read.
[
{
"vendor": "n/a",
"product": "libtar",
"versions": [
{
"version": "<1.2.21",
"status": "affected"
}
]
}
]
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