Linux · 
Amazon Linux · Security advisory · July 20, 2026
Amazon Linux · Security advisory · July 20, 2026ALAS2023-2026-1966: Security update for 5 packages
ALAS2023-2026-1966, released July 20, 2026, fixes 2 CVEs across 5 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
2
None rated Critical
Exploited
0
None reported
Highest CVSS
7.5
Base score, 0 to 10
Highest EPSS
0.0044
38th percentile
Priority of the 2 CVEs
Patch now 0
Urgent 0
High 1
Routine 1
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| libssh2 | amzn 2023 | 1.10.0-1.amzn2023.0.5 |
| libssh2-debuginfo | amzn 2023 | 1.10.0-1.amzn2023.0.5 |
| libssh2-debugsource | amzn 2023 | 1.10.0-1.amzn2023.0.5 |
| libssh2-devel | amzn 2023 | 1.10.0-1.amzn2023.0.5 |
| libssh2-docs | amzn 2023 | 1.10.0-1.amzn2023.0.5 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-58050 | libssh2 - Integer Overflow in publickey Subsystem Attribute Allocation | 7.5 | 0.0044 | None reported |
| Routine | CVE-2026-58051 | libssh2: libssh2 through 1.11.1 grows its publickey list with SSH2_REALLOC but does not zero-initialize new entries before par... | n/a | 0.0028 | None reported |
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