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Ubuntu Security NoticesUSN-8780-1

USN-8780-1: libsoup vulnerabilities

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)

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Scope

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  1. Published by Ubuntu

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  2. Added to SecurityAlert

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  3. Confirmed at the source

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Vulnerabilities

CVEs named in this advisory

CVE-2026-1467View CVSS, KEV, EPSS, and threat contextCVE-2026-1539View CVSS, KEV, EPSS, and threat contextCVE-2026-1801View CVSS, KEV, EPSS, and threat context
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