Linux · 
Amazon Linux · Security advisory · August 18, 2025
Amazon Linux · Security advisory · August 18, 2025ALAS2023-2025-1155: Security update for 5 packages
ALAS2023-2025-1155, released August 18, 2025, fixes 4 CVEs across 5 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
4
None rated Critical
Exploited
0
None reported
Highest CVSS
8.1
Base score, 0 to 10
Highest EPSS
0.0189
79th percentile
Priority of the 4 CVEs
Patch now 0
Urgent 0
High 1
Routine 3
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| libssh | amzn 2023 | 0.10.6-1.amzn2023.0.2 |
| libssh-config | amzn 2023 | 0.10.6-1.amzn2023.0.2 |
| libssh-debuginfo | amzn 2023 | 0.10.6-1.amzn2023.0.2 |
| libssh-debugsource | amzn 2023 | 0.10.6-1.amzn2023.0.2 |
| libssh-devel | amzn 2023 | 0.10.6-1.amzn2023.0.2 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2025-5987 | Libssh: invalid return code for chacha20 poly1305 with openssl backend | 8.1 | 0.0173 | None reported |
| Routine | CVE-2025-5318 | Libssh: out-of-bounds read in sftp_handle() | 5.4 | 0.0189 | None reported |
| Routine | CVE-2025-5351 | Libssh: double free vulnerability in libssh key export functions | 6.5 | 0.0063 | None reported |
| Routine | CVE-2025-4878 | Libssh: use of uninitialized variable in privatekey_from_file() | 6.5 | 0.0023 | None reported |
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