Unbounded allocation for old GNU sparse in archive/tar
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.5epss 0.3%
exploitation probability
0.3%top 78% of all CVEs
observed exploitation
nono source reports it
tar.Reader can allocate an unbounded amount of memory when reading a maliciously-crafted archive containing a large number of sparse regions encoded in the "old GNU sparse map" format.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected products
Go standard library · archive/tar