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CVE-2026-87875VulnerabilityPublished Updated

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Affects Red Hat cupsSource GCVE Database

0
Authoritative record:CVE-2026-87875· Medium 4.3

Not known to be exploited · CVSS 4.3 Medium.

Data as of 28 Oct 2026, 05:12 UTC

CVSS 3.1 base score
4.3Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 33% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 9 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Ubuntu 26.10cupspkg:deb/ubuntu/cups?arch=source&distro=stonkingOther threatsAffected
  • =2.4.16-1ubuntu1
  • =2.4.16-1ubuntu3
Fixed in–
Ubuntu 26.04 LTScupspkg:deb/ubuntu/cups?arch=source&distro=resoluteOther threatsAffected
  • 2.4.12-0ubuntu3 – 2.4.16-1ubuntu1.3
5 affected builds
Fixed in–
Ubuntu 24.04 LTScupspkg:deb/ubuntu/cups?arch=source&distro=nobleOther threatsAffected
  • 2.4.6-0ubuntu3 – 2.4.7-1.2ubuntu7.14
12 affected builds
Fixed in–
Ubuntu 22.04 LTScupspkg:deb/ubuntu/cups?arch=source&distro=jammyOther threatsAffected
  • 2.3.3op2-7ubuntu2 – 2.4.1op1-1ubuntu4.21
19 affected builds
Fixed in–
Ubuntu Pro 20.04 LTScupspkg:deb/ubuntu/cups?arch=source&distro=esm-infra/focalOther threatsAffected
  • 2.2.12-2ubuntu1 – 2.3.1-9ubuntu1.9+esm4
21 affected builds
Fixed in–
Ubuntu Pro 18.04 LTScupspkg:deb/ubuntu/cups?arch=source&distro=esm-infra/bionicOther threatsAffected
  • 2.2.4-7ubuntu2 – 2.2.7-1ubuntu2.10+esm10
27 affected builds
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

A security update is available from Red Hat for affected Hardened Images RPMs, including cups version 2.4.19-4.1.hum1 and related packages. Users should apply these official updates to remediate the vulnerability. No additional mitigation steps are indicated by the vendor advisory.

Description

A heap out-of-bounds read vulnerability exists in the cupsUTF32ToUTF8() function of the CUPS printing system due to missing source-length bounds during SNMP supply-description parsing. This vulnerability is tracked as CVE-2026-87875 and affects multiple versions of CUPS included in Red Hat Hardened Images. A security update has been issued by Red Hat to address this issue.

References

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