Vulnerability in Rarlab Winrar
CVE-2019-25677
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (34.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Rarlab Winrar
- Win-Rar Winrar — versions 5.61 32 Bit
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/46432 (Exploit, VDB Entry, exploit)
- win-rar.com/predownload.html (Product, product)
- www.vulncheck.com/advisories/winrar-denial-of-service-via-malformed-language-fi… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2019-25677?
- CVE-2019-25677 is a medium-severity vulnerability in Rarlab Winrar, classified under Creation of Temporary File in Directory with Insecure Permissions. CVSS score: 6.2/10. Published 2026-04-05.
- How severe is CVE-2019-25677?
- Medium severity. CVSS v3 base score is 6.2 out of 10.