CVE-2026-58051
libssh2_org: uninitialized pointer freed when malformed responses are sent by an SSH server (bsc#1269567).
CVE-2026-58051 is fixed in 8 products on 1 platform, first by DEBIAN-CVE-2026-58051, released June 28, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0028
20th percentile
uninitialized pointer freed when malformed responses are sent by an SSH server (bsc#1269567).
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libssh2 · Debian 12.15 (bookworm) | 1.10.0-3+deb12u1 | DEBIAN-CVE-2026-58051 | Jun 28, 2026 |
| libssh2 · Debian 13.5 (trixie) | 1.11.1-1+deb13u2 | DEBIAN-CVE-2026-58051 | Jun 28, 2026 |
| libssh2 · Debian 14 | 1.11.1-6 | DEBIAN-CVE-2026-58051 | Jun 28, 2026 |
| libssh2 · amzn 2023 | 1.10.0-1.amzn2023.0.5 | ALAS2023-2026-1966 | Jul 20, 2026 |
| libssh2-1 · Ubuntu 18.04.6 LTS (bionic) | 1.8.0-1ubuntu0.1+esm1 | libssh2-1 1.8.0-1ubuntu0.1+esm1 | Jul 24, 2026 |
| libssh2-1 · Ubuntu 20.04 LTS (focal) | 1.8.0-2.1ubuntu0.1+esm1 | libssh2-1 1.8.0-2.1ubuntu0.1+esm1 | Jul 24, 2026 |
| libssh2-1 · Ubuntu 22.04.1 LTS (jammy) | 1.10.0-3ubuntu0.1 | libssh2-1 1.10.0-3ubuntu0.1 | Jul 24, 2026 |
| libssh2-1t64 · Ubuntu 24.04.5 LTS (noble) | 1.11.0-4.1ubuntu0.24.04.3 | libssh2-1t64 1.11.0-4.1ubuntu0.24.04.3 | Jul 14, 2026 |
| libssh2-1t64 · Ubuntu 26.04.1 LTS (resolute) | 1.11.1-1ubuntu0.26.04.3 | libssh2-1t64 1.11.1-1ubuntu0.26.04.3 | Jul 24, 2026 |
| libssh2-debuginfo · amzn 2023 | 1.10.0-1.amzn2023.0.5 | ALAS2023-2026-1966 | Jul 20, 2026 |
| libssh2-debugsource · amzn 2023 | 1.10.0-1.amzn2023.0.5 | ALAS2023-2026-1966 | Jul 20, 2026 |
| libssh2-devel · amzn 2023 | 1.10.0-1.amzn2023.0.5 | ALAS2023-2026-1966 | Jul 20, 2026 |
| libssh2-docs · amzn 2023 | 1.10.0-1.amzn2023.0.5 | ALAS2023-2026-1966 | Jul 20, 2026 |
| libssh2_org · opensuse-leap 16.0 | 1.11.1-160000.5.1 | OPENSUSE-SU-2026:21549-1 | Aug 10, 2026 |
| libssh2_org · sles 15.6 | 1.11.0-150600.20.6.1 | SUSE-SU-2026:3541-1 | Aug 10, 2026 |
| libssh2_org · sles 15.7 | 1.11.0-150600.20.6.1 | SUSE-SU-2026:3541-1 | Aug 10, 2026 |
| libssh2_org · sles 16.0 | 1.11.1-160000.5.1 | SUSE-SU-2026:23225-1 | Aug 10, 2026 |
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