CVE-2026-87875
Fixed in a distro release EPSS <1%CVSS 4.3
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.
Products: Red Hat Hardened Images, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | cups | no fix |
| Debian 13 | cups | no fix |
| Debian 14 | cups | no fix |
| Red Hat hummingbird 1 | cups | 0:2.4.19-4.1.hum1 |
| Red Hat hummingbird 1 | cups-client | 0:2.4.19-4.1.hum1 |
| Red Hat hummingbird 1 | cups-devel | 0:2.4.19-4.1.hum1 |
| Red Hat hummingbird 1 | cups-filesystem | 0:2.4.19-4.1.hum1 |
| Red Hat hummingbird 1 | cups-ipptool | 0:2.4.19-4.1.hum1 |
| Red Hat hummingbird 1 | cups-libs | 0:2.4.19-4.1.hum1 |
| Red Hat hummingbird 1 | cups-lpd | 0:2.4.19-4.1.hum1 |
| Red Hat hummingbird 1 | cups-printerapp | 0:2.4.19-4.1.hum1 |
| SUSE Linux Enterprise Micro 5.3 | cups | 2.2.7-150000.3.96.1 |
| SUSE Linux Enterprise Micro 5.4 | cups | 2.2.7-150000.3.96.1 |
| SUSE Linux Enterprise Micro 5.5 | cups | 2.2.7-150000.3.96.1 |
| SUSE Linux Enterprise Module for Basesystem 15 SP7 | cups | 2.2.7-150000.3.96.1 |
| SUSE Linux Enterprise Module for Desktop Applications 15 SP7 | cups | 2.2.7-150000.3.96.1 |
| SUSE Linux Enterprise Module for Development Tools 15 SP7 | cups | 2.2.7-150000.3.96.1 |
| SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 | cups | 1.7.5-20.70.1 |
| SUSE Linux Micro 6.0 | cups | 2.4.19-2.1 |
| SUSE Linux Micro 6.1 | cups | 2.4.19-slfo.1.1_2.1 |
| Ubuntu 22.04 LTS | cups | no fix |
| Ubuntu 24.04 LTS | cups | no fix |
| Ubuntu 26.04 LTS | cups | no fix |
| Ubuntu 26.10 | cups | no fix |
| Ubuntu Pro 16.04 LTS | cups | no fix |
| Ubuntu Pro 18.04 LTS | cups | no fix |
| Ubuntu Pro 20.04 LTS | cups | no fix |
| openSUSE Leap 16.0 | cups | 2.4.19-160000.2.1 |
| openSUSE Tumbleweed | cups | 2.4.19-3.1 |