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Cumulative CVE fix: bump Go to 1.26.9, x/net and x/text - #330

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salv-orlando merged 1 commit into
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salv-orlando:release_9.1.2_cve
Oct 15, 2026
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salv-orlando merged 1 commit into
vmware:mainfrom
salv-orlando:release_9.1.2_cve

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Fix vulnerabilities: bump Go to 1.26.9, x/net and x/text

Go 1.26.9 (Dockerfile and go.mod):

- CVE-2026-39822: os.Root follows symlink with trailing slash out of the root
- CVE-2026-56858 (BDSA-2026-26379): html/template JS regexp context XSS
- CVE-2026-39821 (BDSA-2026-33687): idna accepts unsafe Punycode labels

golang.org/x/text v0.37.0 -> v0.43.0 (also pulls x/sync v0.24.0):

- CVE-2026-39821 (BDSA-2026-33687): idna Punycode validation
- CVE-2026-56852: infinite loop on invalid input in unicode/norm
- CVE-2026-56851: panic on crafted input in secure/precis

golang.org/x/net v0.55.0 -> v0.60.0 (also pulls x/sys, x/term), reachable via client-go and the NSX SDK:

- CVE-2026-78659: HTTP/2 server memory exhaustion via Trailer headers
- CVE-2026-78660: HTTP/2 transport accepts malformed framing headers
- CVE-2026-78669: excessive CPU from repeated initial window changes
- CVE-2026-78663: double flow control refund on HTTP/2 server streams
- CVE-2026-97032: HTTP/2 server crash due to HPACK encoder race

Resolved by rebuilding on the current ubi9/ubi-minimal:latest, no file change (curl-minimal 40.el9_8.8, glibc 283.el9_8, libxml2 14.el9_8.5, openssl-libs 3.5.8-2.el9_8):

- CVE-2026-11856: curl leaks Digest Authorization header across origins
- CVE-2026-8924: curl cookie super-cookies bypass Public Suffix List
- CVE-2026-19542: glibc tdelete() stack buffer overflow
- CVE-2026-18374: glibc fopen() heap overflow with empty ,ccs=
- CVE-2026-86138: libxml2 xmlDictAddQString integer/heap overflow
- CVE-2026-86140: libxml2 xmlSnprintfElements stack overflow
- CVE-2026-86142: libxml2 xmlXPtrEvalXPtrPart heap overflow
- CVE-2026-86143: libxml2 xmlIO negative length to write callbacks
- CVE-2026-86144: libxml2 xinclude does not propagate parseFlags
- CVE-2026-74860: libxml2 Python bindings double free (BDSA-2026-31923)
- CVE-2026-84782: OpenSSL DTLS handshake retransmission out-of-bounds read

AI-Tool-Used: Claude Code
AI-Tool-Use-Level: high
AI-Code-Category: production
Co-Authored-By: Claude Sonnet 5.5 noreply@anthropic.com

@salv-orlando
salv-orlando force-pushed the release_9.1.2_cve branch 3 times, most recently from 6166bff to 9d400bb Compare October 12, 2026 20:21
Go 1.26.9 (Dockerfile and go.mod):
- CVE-2026-39822: os.Root follows symlink with trailing slash out of the root
- CVE-2026-56858 (BDSA-2026-26379): html/template JS regexp context XSS
- CVE-2026-39821 (BDSA-2026-33687): idna accepts unsafe Punycode labels

golang.org/x/text v0.37.0 -> v0.43.0 (also pulls x/sync v0.24.0):
- CVE-2026-39821 (BDSA-2026-33687): idna Punycode validation
- CVE-2026-56852: infinite loop on invalid input in unicode/norm
- CVE-2026-56851: panic on crafted input in secure/precis

golang.org/x/net v0.55.0 -> v0.60.0 (also pulls x/sys, x/term), reachable
via client-go and the NSX SDK:
- CVE-2026-78659: HTTP/2 server memory exhaustion via Trailer headers
- CVE-2026-78660: HTTP/2 transport accepts malformed framing headers
- CVE-2026-78669: excessive CPU from repeated initial window changes
- CVE-2026-78663: double flow control refund on HTTP/2 server streams
- CVE-2026-97032: HTTP/2 server crash due to HPACK encoder race

Resolved by rebuilding on the current ubi9/ubi-minimal:latest, no file change
(curl-minimal 40.el9_8.8, glibc 283.el9_8, libxml2 14.el9_8.5,
openssl-libs 3.5.8-2.el9_8):
- CVE-2026-11856: curl leaks Digest Authorization header across origins
- CVE-2026-8924: curl cookie super-cookies bypass Public Suffix List
- CVE-2026-19542: glibc tdelete() stack buffer overflow
- CVE-2026-18374: glibc fopen() heap overflow with empty ,ccs=
- CVE-2026-86138: libxml2 xmlDictAddQString integer/heap overflow
- CVE-2026-86140: libxml2 xmlSnprintfElements stack overflow
- CVE-2026-86142: libxml2 xmlXPtrEvalXPtrPart heap overflow
- CVE-2026-86143: libxml2 xmlIO negative length to write callbacks
- CVE-2026-86144: libxml2 xinclude does not propagate parseFlags
- CVE-2026-74860: libxml2 Python bindings double free (BDSA-2026-31923)
- CVE-2026-84782: OpenSSL DTLS handshake retransmission out-of-bounds read

Not fixed, no fixed RHEL 9 openssl package published yet:
- CVE-2026-42772: OpenSSL QUIC stream reassembly (BDSA-2026-35489)
- CVE-2026-72897: OpenSSL TLS 1.3 signature_algorithms OOB write
  (BDSA-2026-35764)

AI-Tool-Used: Claude Code
AI-Tool-Use-Level: high
AI-Code-Category: production
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
@salv-orlando
salv-orlando merged commit afd1d1a into vmware:main Oct 15, 2026
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3 participants