# CVE-2026-87875

## Summary

- **CVE ID:** CVE-2026-87875
- **Severity:** MEDIUM
- **CVSS Score:** 4.3 (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
- **CWE:** CWE-125
- **Published:** Sep 9, 2026
- **Last Modified:** Sep 10, 2026

## Description

The cupsUTF32ToUTF8() function in CUPS's cups/transcode.c lacks a source-length bound and can read past the end of the source buffer, resulting in a heap out-of-bounds read. This is reachable via SNMP supply-description parsing in backend/snmp-supplies.c with attacker-controlled content.

## Affected Products

No affected products listed.

## References

- [CNA](https://access.redhat.com/security/cve/CVE-2026-87875)
- [CNA](https://bugzilla.redhat.com/show_bug.cgi?id=2530994)
- [CNA](https://github.com/OpenPrinting/cups/security/advisories/GHSA-559w-7676-3xrq)
- [CNA](https://github.com/OpenPrinting/cups/commit/0c6842fc615e8afa284136a092da8178abf5f142)
- [CNA](https://github.com/OpenPrinting/cups/commit/2b1dc178a2d2325135b855142e384f4e8c42d8e4)

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._