CVE-2026-43903Disclosure

LOW

Signal is active with 1 mentions in latest observed window

Immediate actions

Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

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0.5/ 10 priority

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Threat summary

Patch or workaround signal is available
1 mentions across 1 observed day

What's happening

Patch or workaround mentioned in 1 signal
Technical details provided in 1 signal
Disclosure: 1 classified signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Disclosure

1100.0%

Referenced assets1 URL

By indicator

https://threatcluster.io/cluster/openimageio-vulnerabilities-affect-multiple-ubuntu-releases-9971f868

Full discourse1 post

ThreatCluster@threatcluster92d
Disclosure
OpenImageIO vulnerabilities CVE-2026-43903, CVE-2026-43904 and CVE-2026-43906 allow denial of service or code execution on Ubuntu 16.04, 18.04, 20.04, 24.04 and 26.04 LTS, Ubuntu said in security notice USN-8438-1. https://threatcluster.io/cluster/openimageio-vulnerabilities-affect-multiple-ubuntu-releases-9971f868
Post summary
The post announces the disclosure of three OpenImageIO CVEs affecting multiple Ubuntu releases, highlights the denial of service or code execution impact, and references a vendor security notice that includes a patch.
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