USN-8523-1: libsoup vulnerabilities — USN-8523-1

Summary

Eric Su and Samuel Dainard discovered that libsoup incorrectly handled content with zero-length resources. An attacker could possibly use this issue to trigger a buffer over-read, resulting in information disclosure or a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 25.10, and Ubuntu 26.04 LTS. (CVE-2026-2369) Kona Arctic discovered that…

Timeline

Published by source

2026-07-09

Risk context

• Reported severity or threat level: medium.
• Review exposure for the affected product or family: Ubuntu.

Product

Ubuntu

What to do

General, cautious steps (verify details in the official source):

• Review exposure and plan remediation based on risk and environment.
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

• Read the official source
• CVE Record
• NVD

Evidence and provenance

Canonical advisory ID

USN-8523-1

Source

Ubuntu

Vendor

Ubuntu

Published by source

2026-07-09

Last source activity

2026-07-09

Additional identifiers

CVE-2026-2369

Curated by

hlukh.ch

Related advisories and connections

These advisories are connected by shared CVE, product, vendor, source, or time signals.