Summary
[1.24.2-15]
- Fix CVE-2026-42534: Jostle logic bypass degrades resolution performance
[1.24.2-14]
- Fix CVE-2026-41292: DoS via excessive EDNS options
[1.24.2-13]
- Add upstream unit test for CVE-2026-40622
[1.24.2-12]
- Fix CVE-2026-44390: DoS with large RRsets
[1.24.2-11]
- Fix CVE-2026-40622: cache manipulation via 'ghost domain names' attack
[1.24.2-10]
- Fix CVE-2026-42959
[1.24.2-9]
- Fix CVE-2026-42944
[1.24.2-8]
- Fix CVE-2026-33278
Fixed packages 7
| Release | Package | Fixed in |
|---|---|---|
| Oracle Linux · 10 | python3-unbound | 0:1.24.2-7.el10_2.2 |
| Oracle Linux · 10 | unbound | 0:1.24.2-7.el10_2.2 |
| Oracle Linux · 10 | unbound-anchor | 0:1.24.2-7.el10_2.2 |
| Oracle Linux · 10 | unbound-devel | 0:1.24.2-7.el10_2.2 |
| Oracle Linux · 10 | unbound-dracut | 0:1.24.2-7.el10_2.2 |
| Oracle Linux · 10 | unbound-libs | 0:1.24.2-7.el10_2.2 |
| Oracle Linux · 10 | unbound-utils | 0:1.24.2-7.el10_2.2 |
Vulnerabilities 3
-
Critical 9.1
Possible arbitrary code execution during DNSSEC validation
NLnet Labs Unbound 1.19.1 up to and including version 1.25.0 has a vulnerability in the DNSSEC validator that enables denial of service and possible remote code execution as a result of deep copying a data structure and erroneously overwriting a destination p…
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High 8.7
Heap overflow with multiple NSID, COOKIE, PADDING EDNS options
NLnet Labs Unbound 1.14.0 up to and including version 1.25.0 has a vulnerability that results in heap overflow when encoding multiple NSID and/or DNS Cookie EDNS and/or EDNS Padding options in the reply packet. The relevant options ('nsid', 'answer-cookie', '…
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High 8.7
Crash during DNSSEC validation of malicious content
NLnet Labs Unbound up to and including version 1.25.0 has a denial of service vulnerability in the DNSSEC validator that can lead to a crash given malicious upstream replies. When Unbound constructs chase-reply messages for validation, the code uses the wrong…