Linux · 
Amazon Linux · Security advisory · August 3, 2026
Amazon Linux · Security advisory · August 3, 2026ALAS2023-2026-2026: Security update for 4 packages
ALAS2023-2026-2026, released August 3, 2026, fixes 3 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
3
None rated Critical
Exploited
0
None reported
Highest CVSS
5.7
Base score, 0 to 10
Highest EPSS
0.0064
50th percentile
Priority of the 3 CVEs
Patch now 0
Urgent 0
High 1
Routine 2
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| python-dulwich-debugsource | amzn 2023 | 0.20.18-1.amzn2023.0.3 |
| python-dulwich-doc | amzn 2023 | 0.20.18-1.amzn2023.0.3 |
| python3-dulwich | amzn 2023 | 0.20.18-1.amzn2023.0.3 |
| python3-dulwich-debuginfo | amzn 2023 | 0.20.18-1.amzn2023.0.3 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-42305 | python3-dulwich: Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2026-47734: An uncon... | n/a | 0.0064 | None reported |
| Routine | CVE-2026-38974 | python3-dulwich: This update for python3-dulwich fixes the following issue - CVE-2026-38974: Dulwich through 1.1.0 was found to be mi... | 5.3 | 0.0033 | None reported |
| Routine | CVE-2026-47734 | dulwich: Dulwich is a pure-Python implementation of the Git file formats and protocols | 5.7 | 0.0019 | None reported |
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