Linux · 
Amazon Linux · Security advisory · August 3, 2026
Amazon Linux · Security advisory · August 3, 2026ALAS2023-2026-2000: Security update for 3 packages
ALAS2023-2026-2000, released August 3, 2026, fixes 3 CVEs across 3 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
7.5
Base score, 0 to 10
Highest EPSS
0.0062
49th percentile
Priority of the 3 CVEs
Patch now 0
Urgent 0
High 3
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| python-pyasn1-doc | amzn 2023 | 0.4.8-4.amzn2023.0.5 |
| python3-pyasn1 | amzn 2023 | 0.4.8-4.amzn2023.0.5 |
| python3-pyasn1-modules | amzn 2023 | 0.4.8-4.amzn2023.0.5 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-59884 | pyasn1 BER/CER/DER decoder denial of service via unbounded long-form tag IDs | 7.5 | 0.0062 | None reported |
| High | CVE-2026-59885 | pyasn1: Quadratic complexity in OBJECT IDENTIFIER and RELATIVE-OID processing allows denial of service | 7.5 | 0.0062 | None reported |
| High | CVE-2026-59886 | pyasn1: Uncontrolled resource consumption when converting decoded REAL values | 7.5 | 0.0044 | None reported |
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