USN-8337-1: QtSvg vulnerabilities

It was discovered that QtSvg incorrectly handled certain SVG images. An
attacker could possibly use this issue to cause QtSvg to crash, resulting in
a denial of service. This issue only affected Ubuntu 16.04 LTS.
(CVE-2018-19869)

It was discovered that QtSvg incorrectly handled certain SVG images. An
attacker could use this issue to cause QtSvg to crash, resulting in a
denial of service, or possibly execute arbitrary code. This issue only
affected Ubuntu 16.04 LTS and Ubuntu 20.04 LTS. (CVE-2021-3481,
CVE-2021-28025, CVE-2021-45930)

It was discovered that QtSvg incorrectly handled certain SVG images. An
attacker could use this issue to cause QtSvg to crash, resulting in a
denial of service, or possibly execute arbitrary code. (CVE-2023-32573)

nmap -sV --script vuln -p- <target-network>

tail -f /var/log/suricata/fast.log | grep <cve>

Check Vendor Security Advisory Bulletin

title: Detect Exploitation - USN-8337-1: QtSvg vulnerabilities
id: 6a37eb25-2243-4a9b-b0ef-19f37c0f4c77
status: experimental
description: Automatisch generierte SIEM-Erkennungsregel basierend auf CTI Intelligence
references:
  - https://tsecurity.de/
author: iShareStuff CTI Automated Detection Engine
date: 2026-09-24
logsource:
  category: network_connection
  product: any
detection:
  selection:
      CommandLine|contains:
        - 'exploit'
  condition: selection
falsepositives:
  - Legitime administrative Zugriffe oder Penetrationstests
level: high
tags:
  - attack.initial_access

rule CTI_Threat_Indicator {
    meta:
        author = "iShareStuff CTI Automated Detection Engine"
        date = "2026-09-24"
        description = "YARA Signature for "
    strings:
        $str = "USN-8337-1: QtSvg vulnerabilit" ascii wide
    condition:
        any of them
}