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CVE-2019-18408

Publication date 24 October 2019

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

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.

Status

Package Ubuntu Release Status
libarchive 19.10 eoan
Not affected
19.04 disco
Fixed 3.3.3-4ubuntu0.1
18.04 LTS bionic
Fixed 3.2.2-3.1ubuntu0.5
16.04 LTS xenial
Fixed 3.1.2-11ubuntu0.16.04.7
14.04 LTS trusty

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Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H