Linux · 
Amazon Linux · Security advisory · February 16, 2026
Amazon Linux · Security advisory · February 16, 2026ALAS2023-2026-1444: Security update for 9 packages
ALAS2023-2026-1444, released February 16, 2026, fixes 5 CVEs across 9 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
5
None rated Critical
Exploited
0
None reported
Highest CVSS
8.1
Base score, 0 to 10
Highest EPSS
0.0062
49th percentile
Priority of the 5 CVEs
Patch now 0
Urgent 0
High 4
Routine 1
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| python3.12 | amzn 2023 | 3.12.12-2.amzn2023.0.4 |
| python3.12-debug | amzn 2023 | 3.12.12-2.amzn2023.0.4 |
| python3.12-debuginfo | amzn 2023 | 3.12.12-2.amzn2023.0.4 |
| python3.12-debugsource | amzn 2023 | 3.12.12-2.amzn2023.0.4 |
| python3.12-devel | amzn 2023 | 3.12.12-2.amzn2023.0.4 |
| python3.12-idle | amzn 2023 | 3.12.12-2.amzn2023.0.4 |
| python3.12-libs | amzn 2023 | 3.12.12-2.amzn2023.0.4 |
| python3.12-test | amzn 2023 | 3.12.12-2.amzn2023.0.4 |
| python3.12-tkinter | amzn 2023 | 3.12.12-2.amzn2023.0.4 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-1299 | email BytesGenerator header injection due to unquoted newlines | 7.1 | 0.0057 | None reported |
| High | CVE-2026-0865 | wsgiref.headers.Headers allows header newline injection | 8.1 | 0.0055 | None reported |
| High | CVE-2025-15282 | Header injection via newlines in data URL mediatype | 8.1 | 0.0054 | None reported |
| High | CVE-2026-0672 | Header injection in http.cookies.Morsel | 8.1 | 0.0048 | None reported |
| Routine | CVE-2025-11468 | Folding email comments of unfoldable characters doesn't preserve parenthesis | 5.7 | 0.0062 | None reported |
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