CVE-2026-87875CWE-125

CVE-2026-87875

Medium · published September 9, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
32.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00392 · 32.2th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2026-09-09T21:17Z
References (7)
https://access.redhat.com/errata/RHSA-2026:66600 · [email protected]https://access.redhat.com/security/cve/CVE-2026-87875 · [email protected]https://bugzilla.redhat.com/show_bug.cgi?id=2530994 · [email protected]https://github.com/OpenPrinting/cups/commit/0c6842fc615e8afa284136a092da8178abf5f142 · [email protected]https://github.com/OpenPrinting/cups/commit/2b1dc178a2d2325135b855142e384f4e8c42d8e4 · [email protected]https://github.com/OpenPrinting/cups/security/advisories/GHSA-559w-7676-3xrq · [email protected]https://github.com/OpenPrinting/cups/security/advisories/GHSA-559w-7676-3xrq · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 11 SEP 03:19Z
    EPSS moved — → 0%
    epss
  • 09 SEP 16:06Z
    Cups: openprinting cups: heap out-of-bounds read in cupsutf32toutf8() via missing source-length bound
    cvelistv5