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Ubuntu Security NoticesUSN-8780-1

USN-8780-1: libsoup vulnerabilities

Severity not listed 3 CVEs Published Sep 17, 2026 at 4:27 PM UTC

Summary

It was discovered that libsoup incorrectly handled certain URLs when using an HTTP proxy. A remote attacker could possibly use this issue to inject arbitrary HTTP headers. (CVE-2026-1467)

It was discovered that libsoup did not remove proxy authentication credentials when following HTTP redirects. A remote attacker could possibly use this issue to obtain sensitive information. (CVE-2026-1539) Ahmed Lekssays discovered that libsoup incorrectly parsed certain HTTP requests. A remote attacker could possibly use this issue to obtain sensitive information. (CVE-2026-1801)

Products covered

A separate affected-products list was not included in the collected bulletin.

Remediation

Separate remediation guidance was not included in the collected bulletin.

CVEs in this advisory 3

Updates

  1. Published by Ubuntu

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Confirmed at the source

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