{"id":"USN-7543-1","summary":"libsoup3, libsoup2.4 vulnerabilities","details":"Jan Różański discovered that libsoup incorrectly handled certain headers\nwhen sending HTTP/2 requests over TLS. An attacker could possibly use this\nissue to cause a denial of service. This issue only affected libsoup3 in\nUbuntu 24.04 LTS, Ubuntu 24.10, and Ubuntu 25.04. (CVE-2025-32908)\n\nJan Różański discovered that libsoup incorrectly parsed certain response\nheaders. An attacker could possibly use this issue to cause a denial of\nservice. (CVE-2025-4476)","modified":"2026-04-27T17:47:20.340226902Z","published":"2025-05-28T14:27:53Z","related":["UBUNTU-CVE-2025-32908","UBUNTU-CVE-2025-4476"],"upstream":["CVE-2025-32908","CVE-2025-4476","UBUNTU-CVE-2025-32908","UBUNTU-CVE-2025-4476"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7543-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-4476"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-32908"}],"affected":[{"package":{"name":"libsoup2.4","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libsoup2.4@2.52.2-1ubuntu0.3+esm3?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.52.2-1ubuntu0.3+esm3"}]}],"versions":["2.50.0-2debian1","2.52.1-1","2.52.2-1","2.52.2-1ubuntu0.1","2.52.2-1ubuntu0.2","2.52.2-1ubuntu0.3","2.52.2-1ubuntu0.3+esm1","2.52.2-1ubuntu0.3+esm2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"gir1.2-soup-2.4","binary_version":"2.52.2-1ubuntu0.3+esm3"},{"binary_name":"libsoup-gnome2.4-1","binary_version":"2.52.2-1ubuntu0.3+esm3"},{"binary_name":"libsoup2.4-1","binary_version":"2.52.2-1ubuntu0.3+esm3"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2025-4476","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:Pro:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7543-1.json"}},{"package":{"name":"libsoup2.4","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/libsoup2.4@2.62.1-1ubuntu0.4+esm4?arch=source&distro=esm-infra/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.62.1-1ubuntu0.4+esm4"}]}],"versions":["2.60.1-1","2.60.2-1","2.60.2-2","2.60.3-1","2.61.90-1","2.62.0-1","2.62.1-1","2.62.1-1ubuntu0.1","2.62.1-1ubuntu0.3","2.62.1-1ubuntu0.4","2.62.1-1ubuntu0.4+esm1","2.62.1-1ubuntu0.4+esm2","2.62.1-1ubuntu0.4+esm3"],"ecosystem_specific":{"availability":"Available 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with Ubuntu Pro: 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