Linux · 
Amazon Linux · Security advisory · August 17, 2026
Amazon Linux · Security advisory · August 17, 2026ALAS2023-2026-2064: Security update for 3 packages
ALAS2023-2026-2064, released August 17, 2026, fixes 7 CVEs across 3 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
7
None rated Critical
Exploited
0
None reported
Highest CVSS
8.8
Base score, 0 to 10
Highest EPSS
0.0058
48th percentile
Priority of the 7 CVEs
Patch now 0
Urgent 0
High 5
Routine 2
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| cargo-c | amzn 2023 | 0.10.21-1.amzn2023.0.1 |
| cargo-c-debuginfo | amzn 2023 | 0.10.21-1.amzn2023.0.1 |
| rust-cargo-c-debugsource | amzn 2023 | 0.10.21-1.amzn2023.0.1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-66033 | libssh2 Integer Underflow DoS via AES-GCM Cipher Negotiation | 7.5 | 0.0058 | None reported |
| High | CVE-2026-66035 | libssh2 Heap Buffer Overflow via ETM Cipher Negotiation | 7.5 | 0.0047 | None reported |
| High | CVE-2026-53587 | libgit2: libgit2 is a portable C implementation of the Git core methods provided as a linkable library with a solid API, allow... | 7.5 | 0.0047 | None reported |
| High | CVE-2026-66032 | libssh2 Double-Free Heap Corruption via sftp_open() | 8.8 | 0.0045 | None reported |
| High | CVE-2026-66034 | libssh2 Heap Out-of-Bounds Read via publickey subsystem | 7.5 | 0.0040 | None reported |
| Routine | CVE-2026-53585 | libgit2: libgit2 is a portable C implementation of the Git core methods provided as a linkable library with a solid API, allow... | 5.3 | 0.0040 | None reported |
| Routine | CVE-2026-53584 | libgit2: Submodule path traversal | 4.3 | 0.0033 | None reported |
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