CVE-2019-25477 RAR Password Recovery 1.80 Denial of Service Buffer Overflow

Medium 6.9 Published Updated

Local attackers can crash the RAR Password Recovery application by inputting oversized data into registration fields, causing a buffer overflow.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2019-25477?

CVE-2019-25477 is a medium-severity memory corruption vulnerability in Top-Password RAR Password Recovery, published on 11 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

RAR Password Recovery 1.80 contains a buffer overflow vulnerability that allows local attackers to crash the application by supplying an oversized payload in the registration dialog. Attackers can craft a malicious input string exceeding 6000 bytes and paste it into the User Name and Registration Code field to trigger an application crash.

Weakness: CWE-787

Which versions are affected by CVE-2019-25477?

How do I fix CVE-2019-25477?

No fix has been published for CVE-2019-25477 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2019-25477 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25477 exists.

Sources

Also known as GHSA-4p8g-m95v-ggv9.

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