Linux · 
Ubuntu · Package update · September 16, 2026
Ubuntu · Package update · September 16, 2026python3-unbound 1.13.1-1ubuntu5.17: python3-unbound 1.13.1-1ubuntu5.17 for Ubuntu 22.04.1 LTS (jammy)
python3-unbound 1.13.1-1ubuntu5.17, released September 16, 2026, fixes 6 CVEs in python3-unbound. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
6
None rated Critical
Exploited
0
None reported
Highest CVSS
9.8
Base score, 0 to 10
Highest EPSS
0.0048
42nd percentile
Priority of the 6 CVEs
Patch now 0
Urgent 0
High 6
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| python3-unbound | Ubuntu 22.04.1 LTS (jammy) | 1.13.1-1ubuntu5.17 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-80225 | Possible degradation of service from continuous queries on the same TCP/DoT connection | 7.5 | 0.0048 | None reported |
| High | CVE-2026-85501 | Retrap: Novel Vulnerabilities to launch Algorithmic Complexity Attacks on DNSSEC | 7.5 | 0.0048 | None reported |
| High | CVE-2026-81634 | Possible heap buffer overflow during DNSSEC canonicalization | 9.8 | 0.0048 | None reported |
| High | CVE-2026-40691 | Packet of death for DNSCrypt over TCP | 7.5 | 0.0029 | None reported |
| High | CVE-2026-50252 | Possible cache poisoning attack by mapping source port population per thread | 9.3 | 0.0017 | None reported |
| High | CVE-2026-44690 | Cross-zone wildcard cache poisoning via RRSIG.labels manipulation | 8.6 | 0.0015 | None reported |
Showing 1 to 6 of 6
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