Linux · 
Ubuntu · Package update · November 14, 2026
Ubuntu · Package update · November 14, 2026python-pyasn1 0.4.2-3ubuntu0.18.04.1~esm2: python-pyasn1 0.4.2-3ubuntu0.18.04.1~esm2 for Ubuntu 18.04.6 LTS (bionic)
python-pyasn1 0.4.2-3ubuntu0.18.04.1~esm2, released November 14, 2026, fixes 6 CVEs in python-pyasn1. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.
HighUnsupported product
CVEs closed
6
None rated Critical
Exploited
0
None reported
Highest CVSS
7.5
Base score, 0 to 10
Highest EPSS
0.0062
50th percentile
Priority of the 6 CVEs
Patch now 0
Urgent 0
High 6
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| python-pyasn1 | Ubuntu 18.04.6 LTS (bionic) | 0.4.2-3ubuntu0.18.04.1~esm2 |
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 |
| High | CVE-2026-119194 | pyasn1: Quadratic CPU use in schemaless BER/CER/DER container decoding | 7.5 | 0.0043 | None reported |
| High | CVE-2026-119196 | pyasn1: Quadratic CPU consumption in constructed BIT STRING decoding | 7.5 | 0.0043 | None reported |
| High | CVE-2026-119197 | pyasn1: Quadratic-complexity denial of service in binary REAL decoding | 7.5 | 0.0043 | None reported |
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