Is CVE-2017-14121 actively exploited?

CVE-2017-14121 has no public evidence of in-the-wild exploitation as of 2025-04-20.

What is the CVSS score for CVE-2017-14121?

CVE-2017-14121 has a CVSS score of 5.5 (MEDIUM severity). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

How do I patch CVE-2017-14121?

Patch guidance is available from rarlab security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2017-14121.

Which products are affected by CVE-2017-14121?

2 products: rarlab unrar, debian debian linux.

CVE-2017-14121 - remediation guidance & executive summary

Description

The DecodeNumber function in unrarlib.c in unrar 0.0.1 (aka unrar-free or unrar-gpl) suffers from a NULL pointer dereference flaw triggered by a crafted RAR archive. NOTE: this may be the same as one of the several test cases in the CVE-2017-11189 references.

CVSS Metrics

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector: local
Complexity: low
Privileges: none
User Action: required
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-476 · NULL Pointer Dereference

Metadata

Primary Vendor: RARLAB
Published: 9/3/2017
Last Modified: 4/20/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2017-14121

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary