Linux · 
Amazon Linux · Security advisory · August 31, 2026
Amazon Linux · Security advisory · August 31, 2026ALAS2023-2026-2128: Security update for 5 packages
ALAS2023-2026-2128, released August 31, 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
8.6
Base score, 0 to 10
Highest EPSS
0.0049
42nd percentile
Priority of the 2 CVEs
Patch now 0
Urgent 0
High 2
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| libevent | amzn 2023 | 2.1.12-3.amzn2023.0.4 |
| libevent-debuginfo | amzn 2023 | 2.1.12-3.amzn2023.0.4 |
| libevent-debugsource | amzn 2023 | 2.1.12-3.amzn2023.0.4 |
| libevent-devel | amzn 2023 | 2.1.12-3.amzn2023.0.4 |
| libevent-doc | amzn 2023 | 2.1.12-3.amzn2023.0.4 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-63383 | Libevent: decode_tag_internal() can lead to out-of-bounds read | 8.6 | 0.0049 | None reported |
| High | CVE-2026-63384 | Libevent: `evtag_unmarshal_header()` decodes a wire `uint32` length into a signed `int` return value. | 8.6 | 0.0049 | None reported |
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