CVE-2018-1000877

HIGH
8.8
CVSS Score
Published: December 20, 2018 at 05:00 PM UTC
Updated: June 17, 2026 at 01:33 AM UTC
7 products affected across 5 vendorsDebian LinuxFedoraUbuntu Linux

Using N/A by N/A?

Get instant alerts when new vulnerabilities affect N/A - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH8.8
Exploit prediction
EPSS 5%

Description

libarchive version commit 416694915449219d505531b1096384f3237dd6cc onwards (release v3.1.0 onwards) contains a CWE-415: Double Free vulnerability in RAR decoder - libarchive/archive_read_support_format_rar.c, parse_codes(), realloc(rar->lzss.window, new_size) with new_size = 0 that can result in Crash/DoS. This attack appear to be exploitable via the victim must open a specially crafted RAR archive.

Affected

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

3.1.0 ≤ v < 3.4.0
Affected range stops below 3.4.0, so it looks safe — our inference, not a vendor statement

References (15)

CVSS

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

Quick Info

StatusMODIFIED
CWE
CWE-415

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card