# CVE-2025-2263: Santesoft Sante PACS Server Stack-based Buffer Overflow

> Unauthenticated remote attackers can trigger a stack-based buffer overflow during login, potentially leading to code execution or denial of service.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 13 Mar 2025
- **Updated:** 14 Mar 2025
- **Also known as:** GHSA-37r4-ppph-4wwq

## What is CVE-2025-2263?

CVE-2025-2263 is a critical memory corruption vulnerability in Santesoft Sante PACS Server, published on 13 Mar 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

During login to the web server in "Sante PACS Server.exe", OpenSSL function EVP_DecryptUpdate is called to decrypt the username and password. A fixed 0x80-byte stack-based buffer is passed to the function as the output buffer. A stack-based buffer overflow exists if a long encrypted username or password is supplied by an unauthenticated remote attacker.

Weakness: CWE-787 (Out-of-bounds Write), CWE-121 (Stack-based Buffer Overflow)

## Which versions are affected by CVE-2025-2263?

It affects 1 product.


Products: Santesoft Sante Pacs Server.

## How do I fix CVE-2025-2263?

No fix has been published for CVE-2025-2263 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-2263 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-2263 exists.

## Other vulnerabilities in Santesoft Sante PACS Server

- [CVE-2023-51637](https://insights.sbomify.com/CVE-2023-51637/): Sante PACS Server PG Patient Query SQL Injection Remote Code Execution Vulnerability (critical 9.8)
- [CVE-2024-1863](https://insights.sbomify.com/CVE-2024-1863/): Sante PACS Server Token Endpoint SQL Injection Remote Code Execution Vulnerability (critical 9.8)
- [CVE-2022-2272](https://insights.sbomify.com/CVE-2022-2272/): SQL injection in PACS Server (critical 9.8)
- [CVE-2025-54156](https://insights.sbomify.com/CVE-2025-54156/): Santesoft Sante PACS Server Cleartext Transmission of Sensitive Information (critical 9.1)
- [CVE-2025-53948](https://insights.sbomify.com/CVE-2025-53948/): Santesoft Sante PACS Server Double Free (high 8.7)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-2263 and fix it if it is affected.

What it is: CVE-2025-2263 is a critical memory corruption vulnerability in Santesoft Sante PACS Server, published on 13 Mar 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-2263 exists.

Affected product: Santesoft Sante PACS Server. 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-2025-2263/ (Markdown: https://insights.sbomify.com/CVE-2025-2263/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-2263
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-2263
- OSV: https://osv.dev/vulnerability/CVE-2025-2263

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-2263/
Summaries are generated and may contain mistakes; the official description above is the record.