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TI-2019-15730 Aliases CVE-2019-25677GHSA-wqh9-pjhr-mh8q

WinRAR 5.61 Denial of Service via Malformed Language File

Priority MEDIUM 64CWE-379Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

WinRAR 5.61 contains a denial of service vulnerability that allows local attackers to crash the application by placing a malformed winrar.lng language file in the installation directory. Attackers can trigger the crash by opening an archive and pressing the test button, causing an access violation at memory address 004F1DB8 when the application attempts to read invalid data.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00443 38th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Win-RarWinRAR5.61 32 Bit—No fix listedCNA
  • WinRAR VendorWin-Rar Affected 5.61 32 Bit Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:rarlab:winrar:*:*:*:*:*:*:x86:*up to 5.61VulnerableRARLAB
  • cpe:2.3:a:rarlab:winrar:*:*:*:*:*:*:x86:* Versions up to 5.61 Vulnerable ·RARLAB

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-25677
  2. 2026-10-03 Alias added: GHSA-wqh9-pjhr-mh8q

References

  • TI-2025-07400 Path traversal vulnerability in WinRAR KEVCVSS 4.0HIGH 8.4
  • TI-2025-05626 Path traversal in RARLAB WinRAR KEVCVSS 3.0HIGH 7.8
  • TI-2023-20115 RARLAB WinRAR before 6.23 allows attackers to execute arbitrary code when a user attempts… KEVCVSS 3.1HIGH 7.8
  • TI-2018-14356 Path traversal in Check Point Software Technologies Ltd. WinRAR KEVCVSS 3.1HIGH 7.8
  • TI-2024-23905 RARLAB WinRAR before 7.00, on Windows, allows attackers to spoof the screen output via… CVSS 3.1HIGH 7.5
  • TI-2024-22371 RARLAB WinRAR before 7.00, on Linux and UNIX platforms, allows attackers to spoof the… CVSS 3.1HIGH 7.1
See all 27 →

Sources