CVE-2020-9308
8.8
HIGH
CVSS 3.1
EPSS 0.70%
Description
archive_read_support_format_rar5.c in libarchive before 3.4.2 attempts to unpack a RAR5 file with an invalid or corrupted header (such as a header size of zero), leading to a SIGSEGV or possibly unspecified other impact.
How to fix CVE-2020-9308
To remediate CVE-2020-9308, upgrade the affected package to a fixed version below.
- Alpine/libarchive—upgrade to 3.4.2-r0 or later
- Debian/libarchive—upgrade to 3.4.0-2 or later
Is CVE-2020-9308 being exploited?
Low — EPSS is 0.7%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 3.4.2-r0
- from 0, < 3.4.0-2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |