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Fix some CVEs 2026-08-17 - #2065

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Fix some CVEs 2026-08-17#2065
masap wants to merge 1 commit into
vmware-tanzu:mainfrom
masap:fix-2064

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@masap

@masap masap commented Aug 17, 2026

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What this PR does / why we need it:
Trivy reports following CVEs.

sonobuoy (gobinary)

Total: 8 (UNKNOWN: 0, LOW: 0, MEDIUM: 0, HIGH: 8, CRITICAL: 0)

┌─────────┬────────────────┬──────────┬────────┬───────────────────┬──────────────────────────────┬──────────────────────────────────────────────────────────────┐
│ Library │ Vulnerability  │ Severity │ Status │ Installed Version │        Fixed Version         │                            Title                             │
├─────────┼────────────────┼──────────┼────────┼───────────────────┼──────────────────────────────┼──────────────────────────────────────────────────────────────┤
│ stdlib  │ CVE-2026-33818 │ HIGH     │ fixed  │ v1.26.5           │ 1.25.13, 1.26.6, 1.27.0-rc.3 │ encoding/asn1: golang: Go encoding/asn1: Denial of Service   │
│         │                │          │        │                   │                              │ via excessive recursion in Unmarshal...                      │
│         │                │          │        │                   │                              │ https://avd.aquasec.com/nvd/cve-2026-33818                   │
│         ├────────────────┤          │        │                   │                              ├──────────────────────────────────────────────────────────────┤
│         │ CVE-2026-39821 │          │        │                   │                              │ golang.org/x/net/idna: golang: net/http:                     │
│         │                │          │        │                   │                              │ golang.org/x/net/idna: Privilege escalation via incorrect    │
│         │                │          │        │                   │                              │ Punycode label processing                                    │
│         │                │          │        │                   │                              │ https://avd.aquasec.com/nvd/cve-2026-39821                   │
│         ├────────────────┤          │        │                   ├──────────────────────────────┼──────────────────────────────────────────────────────────────┤
│         │ CVE-2026-46600 │          │        │                   │ 1.26.6, 1.27.0-rc.3          │ golang.org/x/net/dns/dnsmessage:                             │
│         │                │          │        │                   │                              │ golang.org/x/net/dns/dnsmessage: Denial of Service via       │
│         │                │          │        │                   │                              │ invalid DNS record parsing                                   │
│         │                │          │        │                   │                              │ https://avd.aquasec.com/nvd/cve-2026-46600                   │
│         ├────────────────┤          │        │                   ├──────────────────────────────┼──────────────────────────────────────────────────────────────┤
│         │ CVE-2026-56853 │          │        │                   │ 1.25.13, 1.26.6, 1.27.0-rc.3 │ net/http: golang: Go net/http: Unencrypted HTTP/2            │
│         │                │          │        │                   │                              │ connections vulnerable to Denial of Service...               │
│         │                │          │        │                   │                              │ https://avd.aquasec.com/nvd/cve-2026-56853                   │
│         ├────────────────┤          │        │                   │                              ├──────────────────────────────────────────────────────────────┤
│         │ CVE-2026-56858 │          │        │                   │                              │ html/template: golang: Go html/template: Cross-Site          │
│         │                │          │        │                   │                              │ Scripting via pathological input                             │
│         │                │          │        │                   │                              │ https://avd.aquasec.com/nvd/cve-2026-56858                   │
│         ├────────────────┤          │        │                   │                              ├──────────────────────────────────────────────────────────────┤
│         │ CVE-2026-56859 │          │        │                   │                              │ encoding/xml: golang: Go: Denial of Service via XML decoding │
│         │                │          │        │                   │                              │ recursion depth issue...                                     │
│         │                │          │        │                   │                              │ https://avd.aquasec.com/nvd/cve-2026-56859                   │
│         ├────────────────┤          │        │                   │                              ├──────────────────────────────────────────────────────────────┤
│         │ CVE-2026-56860 │          │        │                   │                              │ net/url: golang: golang net/url: Denial of Service from      │
│         │                │          │        │                   │                              │ quadratic complexity in path...                              │
│         │                │          │        │                   │                              │ https://avd.aquasec.com/nvd/cve-2026-56860                   │
│         ├────────────────┤          │        │                   │                              ├──────────────────────────────────────────────────────────────┤
│         │ CVE-2026-56862 │          │        │                   │                              │ crypto/tls: golang: Golang crypto/tls: Denial of Service via │
│         │                │          │        │                   │                              │ indefinite KeyUpdate messages                                │
│         │                │          │        │                   │                              │ https://avd.aquasec.com/nvd/cve-2026-56862                   │
└─────────┴────────────────┴──────────┴────────┴───────────────────┴──────────────────────────────┴──────────────────────────────────────────────────────────────┘

Which issue(s) this PR fixes

Special notes for your reviewer:

Release note:

release-note

Resolves vmware-tanzu#2064.

Signed-off-by: Masashi Honma <masashi.honma@gmail.com>
@masap

masap commented Aug 18, 2026

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@ShashankGirish Hello. Could you review this PR for new CVEs?

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Fix some CVEs 2026-08-17

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