{"schema_version":"1.7.2","id":"OESA-2026-2336","modified":"2026-05-15T14:02:26Z","published":"2026-05-15T14:02:26Z","upstream":["CVE-2026-7598"],"summary":"libssh2 security update","details":"libssh2 is a library implementing the SSH2 protocol as defined by Internet Drafts: SECSH-TRANS(22), SECSH-USERAUTH(25), SECSH-CONNECTION(23), SECSH-ARCH(20), SECSH-FILEXFER(06)*, SECSH-DHGEX(04), and SECSH-NUMBERS(10).\r\n\r\nSecurity Fix(es):\n\nA security vulnerability has been detected in libssh2 up to 1.11.1. The impacted element is the function userauth_password of the file src/userauth.c. Such manipulation of the argument username_len/password_len leads to integer overflow. The attack may be launched remotely. The name of the patch is 256d04b60d80bf1190e96b0ad1e91b2174d744b1. A patch should be applied to remediate this issue.(CVE-2026-7598)","affected":[{"package":{"ecosystem":"openEuler:22.03-LTS-SP4","name":"libssh2","purl":"pkg:rpm/openEuler/libssh2&distro=openEuler-22.03-LTS-SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10.0-8.oe2203sp4"}]}],"ecosystem_specific":{"aarch64":["libssh2-1.10.0-8.oe2203sp4.aarch64.rpm","libssh2-debuginfo-1.10.0-8.oe2203sp4.aarch64.rpm","libssh2-debugsource-1.10.0-8.oe2203sp4.aarch64.rpm","libssh2-devel-1.10.0-8.oe2203sp4.aarch64.rpm"],"noarch":["libssh2-help-1.10.0-8.oe2203sp4.noarch.rpm"],"src":["libssh2-1.10.0-8.oe2203sp4.src.rpm"],"x86_64":["libssh2-1.10.0-8.oe2203sp4.x86_64.rpm","libssh2-debuginfo-1.10.0-8.oe2203sp4.x86_64.rpm","libssh2-debugsource-1.10.0-8.oe2203sp4.x86_64.rpm","libssh2-devel-1.10.0-8.oe2203sp4.x86_64.rpm"]}},{"package":{"ecosystem":"openEuler:24.03-LTS","name":"libssh2","purl":"pkg:rpm/openEuler/libssh2&distro=openEuler-24.03-LTS"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.11.0-6.oe2403sp3"}]}],"ecosystem_specific":{"aarch64":["libssh2-1.11.0-6.oe2403.aarch64.rpm","libssh2-debuginfo-1.11.0-6.oe2403.aarch64.rpm","libssh2-debugsource-1.11.0-6.oe2403.aarch64.rpm","libssh2-devel-1.11.0-6.oe2403.aarch64.rpm","libssh2-1.11.0-6.oe2403sp1.aarch64.rpm","libssh2-debuginfo-1.11.0-6.oe2403sp1.aarch64.rpm","libssh2-debugsource-1.11.0-6.oe2403sp1.aarch64.rpm","libssh2-devel-1.11.0-6.oe2403sp1.aarch64.rpm","libssh2-1.11.0-6.oe2403sp3.aarch64.rpm","libssh2-debuginfo-1.11.0-6.oe2403sp3.aarch64.rpm","libssh2-debugsource-1.11.0-6.oe2403sp3.aarch64.rpm","libssh2-devel-1.11.0-6.oe2403sp3.aarch64.rpm"],"noarch":["libssh2-help-1.11.0-6.oe2403.noarch.rpm","libssh2-help-1.11.0-6.oe2403sp1.noarch.rpm","libssh2-help-1.11.0-6.oe2403sp3.noarch.rpm"],"src":["libssh2-1.11.0-6.oe2403.src.rpm","libssh2-1.11.0-6.oe2403sp1.src.rpm","libssh2-1.11.0-6.oe2403sp3.src.rpm"],"x86_64":["libssh2-1.11.0-6.oe2403.x86_64.rpm","libssh2-debuginfo-1.11.0-6.oe2403.x86_64.rpm","libssh2-debugsource-1.11.0-6.oe2403.x86_64.rpm","libssh2-devel-1.11.0-6.oe2403.x86_64.rpm","libssh2-1.11.0-6.oe2403sp1.x86_64.rpm","libssh2-debuginfo-1.11.0-6.oe2403sp1.x86_64.rpm","libssh2-debugsource-1.11.0-6.oe2403sp1.x86_64.rpm","libssh2-devel-1.11.0-6.oe2403sp1.x86_64.rpm","libssh2-1.11.0-6.oe2403sp3.x86_64.rpm","libssh2-debuginfo-1.11.0-6.oe2403sp3.x86_64.rpm","libssh2-debugsource-1.11.0-6.oe2403sp3.x86_64.rpm","libssh2-devel-1.11.0-6.oe2403sp3.x86_64.rpm"]}},{"package":{"ecosystem":"openEuler:24.03-LTS-SP1","name":"libssh2","purl":"pkg:rpm/openEuler/libssh2&distro=openEuler-24.03-LTS-SP1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.11.0-6.oe2403sp1"}]}],"ecosystem_specific":{"aarch64":["libssh2-1.11.0-6.oe2403sp1.aarch64.rpm","libssh2-debuginfo-1.11.0-6.oe2403sp1.aarch64.rpm","libssh2-debugsource-1.11.0-6.oe2403sp1.aarch64.rpm","libssh2-devel-1.11.0-6.oe2403sp1.aarch64.rpm"],"noarch":["libssh2-help-1.11.0-6.oe2403sp1.noarch.rpm"],"src":["libssh2-1.11.0-6.oe2403sp1.src.rpm"],"x86_64":["libssh2-1.11.0-6.oe2403sp1.x86_64.rpm","libssh2-debuginfo-1.11.0-6.oe2403sp1.x86_64.rpm","libssh2-debugsource-1.11.0-6.oe2403sp1.x86_64.rpm","libssh2-devel-1.11.0-6.oe2403sp1.x86_64.rpm"]}},{"package":{"ecosystem":"openEuler:24.03-LTS-SP3","name":"libssh2","purl":"pkg:rpm/openEuler/libssh2&distro=openEuler-24.03-LTS-SP3"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.11.0-6.oe2403sp3"}]}],"ecosystem_specific":{"aarch64":["libssh2-1.11.0-6.oe2403sp3.aarch64.rpm","libssh2-debuginfo-1.11.0-6.oe2403sp3.aarch64.rpm","libssh2-debugsource-1.11.0-6.oe2403sp3.aarch64.rpm","libssh2-devel-1.11.0-6.oe2403sp3.aarch64.rpm"],"noarch":["libssh2-help-1.11.0-6.oe2403sp3.noarch.rpm"],"src":["libssh2-1.11.0-6.oe2403sp3.src.rpm"],"x86_64":["libssh2-1.11.0-6.oe2403sp3.x86_64.rpm","libssh2-debuginfo-1.11.0-6.oe2403sp3.x86_64.rpm","libssh2-debugsource-1.11.0-6.oe2403sp3.x86_64.rpm","libssh2-devel-1.11.0-6.oe2403sp3.x86_64.rpm"]}},{"package":{"ecosystem":"openEuler:20.03-LTS-SP4","name":"libssh2","purl":"pkg:rpm/openEuler/libssh2&distro=openEuler-20.03-LTS-SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.0-10.oe2003sp4"}]}],"ecosystem_specific":{"aarch64":["libssh2-1.9.0-10.oe2003sp4.aarch64.rpm","libssh2-debuginfo-1.9.0-10.oe2003sp4.aarch64.rpm","libssh2-debugsource-1.9.0-10.oe2003sp4.aarch64.rpm","libssh2-devel-1.9.0-10.oe2003sp4.aarch64.rpm"],"noarch":["libssh2-help-1.9.0-10.oe2003sp4.noarch.rpm"],"src":["libssh2-1.9.0-10.oe2003sp4.src.rpm"],"x86_64":["libssh2-1.9.0-10.oe2003sp4.x86_64.rpm","libssh2-debuginfo-1.9.0-10.oe2003sp4.x86_64.rpm","libssh2-debugsource-1.9.0-10.oe2003sp4.x86_64.rpm","libssh2-devel-1.9.0-10.oe2003sp4.x86_64.rpm"]}}],"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2336"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-7598"}],"database_specific":{"severity":"High"}}