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.
History

Thu, 10 Sep 2026 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Moderate


Wed, 09 Sep 2026 22:30:00 +0000


Wed, 09 Sep 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 09 Sep 2026 16:30:00 +0000

Type Values Removed Values Added
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.
Title Cups: openprinting cups: heap out-of-bounds read in cupsutf32toutf8() via missing source-length bound
First Time appeared Redhat
Redhat enterprise Linux
Redhat hummingbird
Redhat openshift
Weaknesses CWE-125
CPEs cpe:/a:redhat:hummingbird:1
cpe:/a:redhat:openshift:4
cpe:/o:redhat:enterprise_linux:10
cpe:/o:redhat:enterprise_linux:6
cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux
Redhat hummingbird
Redhat openshift
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2026-09-09T16:06:27.371Z

Updated: 2026-09-09T22:26:03.505Z

Reserved: 2026-09-09T13:58:00.395Z

Link: CVE-2026-87875

cve-icon Vulnrichment

Updated: 2026-09-09T17:57:36.184Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-09T17:17:53.240

Modified: 2026-09-09T23:16:56.120

Link: CVE-2026-87875

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-09-09T00:00:00Z

Links: CVE-2026-87875 - Bugzilla