{"id":"OESA-2026-3441","summary":"libsoup3 security update","details":"Libsoup is an HTTP library implementation in C. It was originally part of a SOAP (Simple Object Access Protocol) implementation called Soup, but the SOAP and non-SOAP parts have now been split into separate packages.\r\n\r\nSecurity Fix(es):\n\nThe fix for CVE-2026-0716 (commit 6ff7ef0, libsoup 3.6.6) placed the integer overflow guard inside the if (masked) block, leaving unmasked server-to-client frames unprotected. A malicious WebSocket server can send a crafted unmasked frame with a payload length near UINT64_MAX to trigger an OOB read in a libsoup-based client when max_incoming_payload_size is set to 0.(CVE-2026-12478)","modified":"2026-08-20T10:15:08.975097089Z","published":"2026-08-20T09:58:12Z","upstream":["CVE-2026-12478"],"database_specific":{"severity":"Medium"},"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3441"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-12478"}],"affected":[{"package":{"name":"libsoup3","ecosystem":"openEuler:24.03-LTS-SP3","purl":"pkg:rpm/openEuler/libsoup3&distro=openEuler-24.03-LTS-SP3"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.5-21.oe2403sp3"}]}],"ecosystem_specific":{"x86_64":["libsoup3-3.4.5-21.oe2403sp3.x86_64.rpm","libsoup3-debuginfo-3.4.5-21.oe2403sp3.x86_64.rpm","libsoup3-debugsource-3.4.5-21.oe2403sp3.x86_64.rpm","libsoup3-devel-3.4.5-21.oe2403sp3.x86_64.rpm"],"aarch64":["libsoup3-3.4.5-21.oe2403sp3.aarch64.rpm","libsoup3-debuginfo-3.4.5-21.oe2403sp3.aarch64.rpm","libsoup3-debugsource-3.4.5-21.oe2403sp3.aarch64.rpm","libsoup3-devel-3.4.5-21.oe2403sp3.aarch64.rpm"],"noarch":["libsoup3-help-3.4.5-21.oe2403sp3.noarch.rpm"],"src":["libsoup3-3.4.5-21.oe2403sp3.src.rpm"]},"database_specific":{"source":"https://repo.openeuler.org/security/data/osv/OESA-2026-3441.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L"}]}