CVE-2019-18408
libarchive - security update
7.5
HIGH
CVSS 3.1
EPSS 4.6%
Description
archive_read_format_rar_read_data in archive_read_support_format_rar.c in libarchive before 3.4.0 has a use-after-free in a certain ARCHIVE_FAILED situation, related to Ppmd7_DecodeSymbol.
How to fix CVE-2019-18408
To remediate CVE-2019-18408, upgrade the affected package to a fixed version below.
- Alpine/libarchive—upgrade to 3.3.3-r1 or later
- —upgrade to 3.4.0-1 or later
- —upgrade to 3.1.2-11+deb8u8 or later
- —upgrade to 3.2.2-2+deb9u2 or later
Is CVE-2019-18408 being exploited?
Low — EPSS is 4.6%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 3.3.3-r1
- from 0, < 3.4.0-1
- from 0, < 3.1.2-11+deb8u8
- from 0, < 3.2.2-2+deb9u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |