UN
Product
Unbound
by Nlnetlabs · last CVE Sep 16, 2026
73
CVEs
0
On KEV
10.0
Max CVSS
0
New 30D
Severity mix
Critical 12High 23Medium 25Low 8
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-42960
10.0
0%
May 20
Possible cache poisoning via promiscuous records for the authority section
Affected: before 1.25.1
CVE-2026-82717
9.8
1%
Sep 16
CNAME synthesis could lead to heap corruption
Affected: before 1.26.1
CVE-2026-81642
9.8
1%
Sep 16
Heap buffer overflow and possible Remote Code Execution when digesting DNSKEY
Affected: before 1.26.1
CVE-2026-33278
9.8
1%
May 20
Possible arbitrary code execution during DNSSEC validation
Affected: 1.19.1 before 1.25.1
CVE-2019-25042
9.8
3%
Apr 27
Unbound before 1.9.5 allows an out-of-bounds write via a compressed name in rdata_copy
Affected: before 1.9.5
CVE-2019-25039
9.8
3%
Apr 27
Unbound before 1.9.5 allows an integer overflow in a size calculation in respip/respip.c
Affected: before 1.9.5
CVE-2019-25038
9.8
3%
Apr 27
Unbound before 1.9.5 allows an integer overflow in a size calculation in dnscrypt/dnscrypt.c
Affected: before 1.9.5
CVE-2019-25035
9.8
3%
Apr 27
Unbound before 1.9.5 allows an out-of-bounds write in sldns_bget_token_par
Affected: before 1.9.5
CVE-2019-25034
9.8
3%
Apr 27
Unbound before 1.9.5 allows an integer overflow in sldns_str2wire_dname_buf_origin, leading to an out-of-bounds write
Affected: before 1.9.5
CVE-2019-25033
9.8
2%
Apr 27
Unbound before 1.9.5 allows an integer overflow in the regional allocator via the ALIGN_UP macro
Affected: before 1.9.5
CVE-2019-25032
9.8
3%
Apr 27
Unbound before 1.9.5 allows an integer overflow in the regional allocator via regional_alloc
Affected: before 1.9.5
CVE-2026-50252
9.3
0%
Jul 22
Possible cache poisoning attack by mapping source port population per thread
Affected: 1.4.22 before 1.25.2
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