Known vulnerabilities in Unbound

Vendor: NLnet Labs
Software: Unbound
Software CPE: cpe:2.3:a:unbound_net:unbound:*:*:*:*:*:*:*:*
Total vulnerabilities: 81
Public exploits: 2
Known exploited (KEV): 0

Breakdown by Severity Chart

Severity distribution of vulnerabilities affecting Unbound Unbound is affected by 81 known vulnerabilities: 11 high, 61 medium, 9 low Critical High Medium Low

Vulnerabilities (81)

Vulnerability CWE-ID CSH Severity Public Exploit KEV First fixed release Published Bulletins
#VU150196 - Inefficient Algorithmic Complexity
CVE-2026-85501
CWE-407 Medium
No
No
1.26.1 16.09.2026 SB2026091646
SB2026091655
SB2026091656
and 2 more
#VU150195 - Use After Free
CVE-2026-82720
CWE-416 Medium
No
No
1.26.1 16.09.2026 SB2026091646
SB2026091655
SB2026091656
and 2 more
#VU150194 - Heap-based Buffer Overflow
CVE-2026-82717
CWE-122 High
No
No
1.26.1 16.09.2026 SB2026091646
SB2026091655
SB2026091656
and 10 more
#VU150193 - Out-of-bounds write
CVE-2026-81642
CWE-787 High
No
No
1.26.1 16.09.2026 SB2026091646
SB2026091655
SB2026091656
and 13 more
#VU150192 - Heap-based Buffer Overflow
CVE-2026-81634
CWE-122 Low
No
No
1.26.1 16.09.2026 SB2026091646
SB2026091655
SB2026091656
and 10 more
#VU150191 - Resource exhaustion
CVE-2026-80225
CWE-400 Medium
No
No
1.26.1 16.09.2026 SB2026091646
SB2026091655
SB2026091656
and 6 more
#VU150190 - Use After Free
CVE-2026-78227
CWE-416 Medium
No
No
1.26.1 16.09.2026 SB2026091646
SB2026091655
SB2026091656
and 2 more
#VU150189 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2026-77955
CWE-362 Low
No
No
1.26.1 16.09.2026 SB2026091646
SB2026091655
SB2026091656
and 2 more
#VU150188 - Incorrect Calculation
CVE-2026-77860
CWE-682 Medium
No
No
1.26.1 16.09.2026 SB2026091646
SB2026091655
SB2026091656
and 2 more
#VU139240 - Improper input validation
CVE-2026-32665
CWE-20 Medium
No
No
1.25.2 23.07.2026 SB2026072350
SB20260727391
SB2026092007
#VU139239 - Heap-based Buffer Overflow
CVE-2026-40691
CWE-122 Medium
No
No
1.25.2 23.07.2026 SB2026072350
SB20260727391
SB2026081456
and 5 more
#VU139238 - Resource exhaustion
CVE-2026-41637
CWE-400 Low
No
No
1.25.2 23.07.2026 SB2026072350
SB20260727391
SB2026092007
#VU139237 - Improper control of a resource through its lifetime
CVE-2026-42955
CWE-664 Low
No
No
1.25.2 23.07.2026 SB2026072350
SB20260727391
SB2026082050
and 7 more
#VU139236 - Improper Access Control
CVE-2026-44621
CWE-284 Medium
No
No
1.25.2 23.07.2026 SB2026072350
SB20260727391
SB2026081455
and 8 more
#VU139235 - Off-by-one Error
CVE-2026-44687
CWE-193 Medium
No
No
1.25.2 23.07.2026 SB2026072350
SB20260727391
SB2026082050
and 7 more
#VU139233 - Insufficient Verification of Data Authenticity
CVE-2026-46582
CWE-345 Medium
No
No
1.25.2 23.07.2026 SB2026072350
SB20260727391
SB2026081455
and 7 more
#VU139220 - Type conversion
CVE-2026-55991
CWE-704 Medium
No
No
1.25.2 23.07.2026 SB2026072350
SB20260727391
SB2026092007
#VU139219 - Heap-based Buffer Overflow
CVE-2026-56416
CWE-122 Medium
No
No
1.25.2 23.07.2026 SB2026072350
SB20260727391
SB2026081218
and 8 more
#VU139218 - Improper control of a resource through its lifetime
CVE-2026-56444
CWE-664 Medium
No
No
1.25.2 23.07.2026 SB2026072350
SB20260727391
SB2026082050
and 7 more
#VU139217 - Insufficient Verification of Data Authenticity
CVE-2026-50248
CWE-345 Medium
No
No
1.25.2 23.07.2026 SB2026072350
SB20260727391
SB2026081455
and 7 more


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