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

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

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 11 Mar 2026
- **Updated:** 15 Jul 2026
- **Also known as:** GHSA-4p8g-m95v-ggv9

## 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 (Out-of-bounds Write)

## 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.

## Is CVE-2019-25477 being exploited?

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

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-25477 and fix it if it is affected.

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

Affected product: Top-Password RAR Password Recovery. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2019-25477/ (Markdown: https://insights.sbomify.com/CVE-2019-25477/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-25477
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-25477
- OSV: https://osv.dev/vulnerability/CVE-2019-25477

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-25477/
Summaries are generated and may contain mistakes; the official description above is the record.