# CVE-2025-5031: Ackites KillWxapkg wxapkg File Decompression resource consumption

> Remote attackers can cause resource exhaustion in the KillWxapkg library via crafted wxapkg files, leading to denial of service.

- **Severity:** Low 2.3 (`CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** Yes
- **Published:** 21 May 2025
- **Updated:** 21 May 2025
- **Also known as:** GHSA-pqqp-7cp8-vxvf, GO-2025-3703

## What is CVE-2025-5031?

CVE-2025-5031 is a low-severity denial of service vulnerability in Ackites KillWxapkg, published on 21 May 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

A vulnerability was found in Ackites KillWxapkg up to 2.4.1. It has been rated as problematic. This issue affects some unknown processing of the component wxapkg File Decompression Handler. The manipulation leads to resource consumption. The attack may be initiated remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used.

Weakness: CWE-404 (Improper Resource Shutdown or Release), CWE-400 (Uncontrolled Resource Consumption)

## Which versions are affected by CVE-2025-5031?

3 open source packages ship an affected version, including github.com/Ackites/KillWxapkg.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `github.com/Ackites/KillWxapkg` | Go | All versions | None |
| `github.com/Ackites/KillWxapkg` | Go | All versions to 2.4.1 | None |
| `github.com/Ackites/KillWxapkg` | Go | All versions to 2.4.1 | None |

## How do I fix CVE-2025-5031?

Upgrade to a fixed version.

## Is CVE-2025-5031 being exploited?

There is no known exploitation of CVE-2025-5031 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-5031 and fix it if it is affected.

What it is: CVE-2025-5031 is a low-severity denial of service vulnerability in Ackites KillWxapkg, published on 21 May 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2025-5031 in the wild and no public exploit code.

Affected packages and fixed versions:
- github.com/Ackites/KillWxapkg (Go): affected all versions; no fix listed
- github.com/Ackites/KillWxapkg (Go): affected all versions up to 2.4.1; no fix listed
- github.com/Ackites/KillWxapkg (Go): affected all versions up to 2.4.1; no fix listed

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-2025-5031/ (Markdown: https://insights.sbomify.com/CVE-2025-5031/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-5031
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-5031
- OSV: https://osv.dev/vulnerability/CVE-2025-5031

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-5031/
Summaries are generated and may contain mistakes; the official description above is the record.