CVE-2017-14502

HIGHEPSS 88th pctl

7.5

CVSS v3

Description

read_header in archive_read_support_format_rar.c in libarchive 3.3.2 suffers from an off-by-one error for UTF-16 names in RAR archives, leading to an out-of-bounds read in archive_read_format_rar_read_header.

CWE-125Out-of-bounds Read CWE-193

How to fix

Remediation Available

libarchiveDebian

Fixed in:3.2.2-4.1CVE-2017-14502

libarchiveUbuntu

Fixed in:3.1.2-7ubuntu2.7USN-3859-1

Fixed in:3.1.2-11ubuntu0.16.04.5USN-3859-1

Fixed in:3.2.2-3.1ubuntu0.2USN-3859-1

libarchive13Ubuntu

Fixed in:3.1.2-7ubuntu2.7USN-3859-1

Fixed in:3.1.2-11ubuntu0.16.04.5USN-3859-1

Fixed in:3.2.2-3.1ubuntu0.2USN-3859-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

3.37%probability of exploitation in 30 days

88thpercentile

Elevated risk: more likely to be exploited than 88% of all known CVEs.

References

Third-Party Advisory3

Other references4

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0160	High	7.5	100%	KEV	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2021-4034	High	7.8	95%	KEV	Fix
CVE-2020-8794	Critical	9.8	89%	-	Fix
CVE-2023-49285	High	8.6	89%	-	Fix
CVE-2023-21769	High	7.5	89%	-	Fix

Common questions

How do I fix CVE-2017-14502?

Published advisories record a fix for 3 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2017-14502 being actively exploited?

Not that we know of. CVE-2017-14502 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 3.4% is the estimated probability that it will be exploited in the next 30 days. That is higher than 88% of all scored CVEs.

How severe is CVE-2017-14502?

CVE-2017-14502 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2017-14502 affect?

Published advisories record a fix for libarchive (Debian), libarchive (Ubuntu), libarchive13 (Ubuntu). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.