HIGH · 7.5

CVE-2019-18408

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.

Vulnerability 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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
LibarchiveLibarchive< 3.4.0
LinuxLinux Kernel-
DebianDebian Linux8.0
CanonicalUbuntu Linux14.04

Related Weaknesses (CWE)

References

FAQ

What is CVE-2019-18408?

CVE-2019-18408 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 severe is CVE-2019-18408?

CVE-2019-18408 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-18408?

Check the references section above for vendor advisories and patch information. Affected products include: Libarchive Libarchive, Linux Linux Kernel, Debian Debian Linux, Canonical Ubuntu Linux.