CVE-2019-18408

HIGH
7.5
CVSS Score
Published: October 24, 2019 at 01:37 PM UTC
Updated: June 17, 2026 at 02:24 AM UTC
3 products affected across 3 vendorsDebian LinuxUbuntu LinuxLibarchive· also runs on 1 platform

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Severity
HIGH7.5
Exploit prediction
EPSS 4%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 3.4.0
Affected range stops below 3.4.0, so it looks safe — our inference, not a vendor statement
linux-linux-kernel (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-416

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