read_header in archive_read_support_format_rar.c in libarchive 3.3.2 suffers from an…
Priority LOW 39CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 2 fixed, 2 without a fix
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-125 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.03367 88th percentileScored 2026-11-07
Fix Partial Red Hat: 2 fixed, 2 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:libarchive:libarchive:3.3.2:*:*:*:*:*:*:* | 3.3.2 | Vulnerable | libarchive |
- cpe:2.3:a:libarchive:libarchive:3.3.2:*:*:*:*:*:*:* Versions 3.3.2 Vulnerable ·libarchive
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
| Red Hat CodeReady Linux Builder (v. 8) | Fixed | — |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | — |
Timeline
- 2026-10-02 Threatist record created from CVE-2017-14502
- 2026-10-03 Alias added: GHSA-w2pg-4hrq-9q8x
References
Advisory 6
More Libarchive vulnerabilities
- TI-2024-17342 Libarchive Remote Code Execution Vulnerability CVSS 3.1HIGH 7.8
- TI-2024-24911 Libarchive before 3.7.4 allows name out-of-bounds access when a ZIP archive has an… CVSS 3.1CRITICAL 9.1
- TI-2025-05340 Libarchive: double free at archive_read_format_rar_seek_data() in archive_read_support_format_rar.c CVSS 3.1HIGH 7.8
- TI-2024-32437 Null Pointer Dereference vulnerability in libarchive 3.7.6 and earlier when running… CVSS 3.1HIGH 7.5
- TI-2025-37810 An issue was discovered in libarchive bsdtar before version 3.8.1 in function… CVSS 3.1MEDIUM 5.5
- TI-2025-01402 libarchive bsdunzip.c list null pointer dereference CVSS 4.0MEDIUM 4.8
Sources
- CVE-2017-14502 · CVE Program
- CVE-2017-14502 · NVD
- FIRST EPSS
- GHSA-w2pg-4hrq-9q8x · GitHub Advisory Database · CC BY 4.0
- CVE-2017-14502 · Red Hat security data · CC BY 4.0
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