CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS
Percentile
36.6%
In pkgconf through 1.9.3, variable duplication can cause unbounded string
expansion due to incorrect checks in
libpkgconf/tuple.c:pkgconf_tuple_parse. For example, a .pc file containing
a few hundred bytes can expand to one billion bytes.