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Tue, 04 Aug 2026 13:10:05 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/242753 Fix four CVEs in libssh2 1.11.1 by backporting upstream fixes: - CVE-2026-66032: dangling pointer in sftp_open after free - CVE-2026-66033: potential OOB read/write with AES-GCM in ssh2_cipher_crypt() - CVE-2026-66034: potential OOB read in libssh2_publickey_list_fetch() - CVE-2026-66035: potential heap overflow on ETM decrypt Backport adaptations: - CVE-2026-66032: upstream uses SSH2_FREE() renamed from LIBSSH2_FREE() in newer libssh2. Context adjusted for 1.11.1. - CVE-2026-66034: upstream uses ssh2_err() which is not available in 1.11.1, replaced with _libssh2_error(). - CVE-2026-66035: upstream uses SSH2_SAFEFREE() (not in 1.11.1), replaced with LIBSSH2_FREE() + NULL reset. Also upstream renames decrypt() to transport_decrypt(), retained original name. Changes since v1: - Added CVE-2026-66032 fix libssh2 ptest results (qemux86-64): before: PASSED: 1 FAILED: 0 SKIPPED: 0 after: PASSED: 1 FAILED: 0 SKIPPED: 0 Jaipaul Cheernam (4): libssh2: fix CVE-2026-66032 libssh2: fix CVE-2026-66033 libssh2: fix CVE-2026-66034 libssh2: fix CVE-2026-66035 .../libssh2/libssh2/CVE-2026-66032.patch | 36 ++++++++++++ .../libssh2/libssh2/CVE-2026-66033.patch | 45 +++++++++++++++ .../libssh2/libssh2/CVE-2026-66034.patch | 40 +++++++++++++ .../libssh2/libssh2/CVE-2026-66035.patch | 56 +++++++++++++++++++ .../recipes-support/libssh2/libssh2_1.11.1.bb | 4 ++ 5 files changed, 181 insertions(+) create mode 100644 meta/recipes-support/libssh2/libssh2/CVE-2026-66032.patch create mode 100644 meta/recipes-support/libssh2/libssh2/CVE-2026-66033.patch create mode 100644 meta/recipes-support/libssh2/libssh2/CVE-2026-66034.patch create mode 100644 meta/recipes-support/libssh2/libssh2/CVE-2026-66035.patch