CVE-2026-41079 — Out-of-Bounds $1

CVE-2026-41079 — Out-of-Bounds $1

CVE-2026-41079 — OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. Prior to 2.4.17, a network-adjacent attacker can send a crafted SNMP response to the CUPS SNMP backend that causes an out-of-bounds read of up to 176 bytes past a stack buffer. The l

What This Means For You

  • If your environment is affected by CWE-125, CWE-200, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-41079 updates and patches.
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Related ATT&CK Techniques

🛡️ Detection Rules

2 rules · 6 SIEM formats

2 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.

medium T1190 Initial Access

Out-of-Bounds Read via Crafted SNMP Response - CVE-2026-41079

Sigma YAML — free preview
title: Out-of-Bounds Read via Crafted SNMP Response - CVE-2026-41079
id: scw-2026-04-24-ai-1
status: experimental
level: medium
description: |
  Detects potential exploitation of CVE-2026-41079 by looking for IPP Get-Printer-Attributes responses that include 'supply' in the query parameters, indicating an attempt to retrieve printer supply descriptions which could contain leaked memory from an out-of-bounds read. This targets the information disclosure aspect of the vulnerability.
author: SCW Feed Engine (AI-generated)
date: 2026-04-24
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-41079/
tags:
  - attack.initial_access
  - attack.t1190
logsource:
    category: webserver
detection:
  selection:
      cs-uri|contains:
          - '/printers/'
      cs-uri-query|contains:
          - 'supply'
      sc-status:
          - 200
  condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse

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Indicators of Compromise

IDTypeIndicator
CVE-2026-41079 vulnerability CVE-2026-41079
CWE-125 weakness CWE-125
CWE-200 weakness CWE-200
Source & Attribution
Source PlatformNVD
ChannelNational Vulnerability Database
PublishedApril 24, 2026 at 20:16 UTC

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