The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21705-1 advisory.

    Update to version 1.26.7 cut from the go1.25-fips-release branch at the revision tagged     go1.26.7-1-openssl-fips.

    Security issues fixed:

    - CVE-2026-33818: encoding/asn1: stack exhaustion when parsing deeply-nested, recursive structures can     lead to denial       of service (bsc#1275034).
    - CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for     validation       bypass and privilege escalation (bsc#1266609).
    - CVE-2026-56853: net/http: first header read timeout not being applied when a server is configured to     support       unencrypted HTTP/2 allows for denial of service (bsc#1275028).
    - CVE-2026-56858: html/template: wrong JavaScript regexp context tracking after top-level `{` can lead to     XSS       (bsc#1275033).
    - CVE-2026-56859: encoding/xml: stack exhaustion due to recursion depth guard bypass during decoding     operations can       lead to denial of service (bsc#1275026).
    - CVE-2026-56860: net/url: quadratic complexity in `resolvePath` when processing backtrack path elements     can lead to       denial of service (bsc#1275029).
    - CVE-2026-56862: crypto/tls: handshake messages can bypass non-advancing record limit in TLS 1.3, which     can lead to       a denial of service (bsc#1275032).
    - CVE-2026-56864: x/mod/sumdb: a malicious `GOSUMDB` is capable of serving arbitrary module content not     contained       within the transparency log (bsc#1275025).
    - CVE-2026-56865: x/mod/sumdb/tlog: a malicious `GOPROXY` is capable of forging sumdb tiles, which allows     for bypass of       the `GOSUMDB` check and persistence of attacker-controlled module contents to a local Go module cache     (bsc#1275024).

    Other updates and bugfixes:

    - Update to version 1.26.7 cut from the go1.25-fips-release branch at the revision tagged     go1.26.7-1-openssl-fips:
      (jsc#SLE-18320).
      * Rebase to 1.26.7
      * Support `strictfipsruntime` with `no_openssl`
      * Fix multiple `no_openssl` build tag issues
    - go1.26.7 (released 2026-08-19, boo#1255111):
      * go#80927 net/http: `ReadHeaderTimeout` remains active after unencrypted `HTTP/2` handoff
    - go1.26.6 (released 2026-08-13):
      * includes security fixes to the `go` command, and the `crypto/tls`, `encoding/asn1`, `encoding/xml`,         `html/template`, `net`, `net/http`, and `net/url` packages, as well as bug fixes to the compiler, the     linker, the         runtime, and the `crypto/tls` and `os` packages.
      * go#79876 cmd/compile: `prove` misscompilation in `slicemask` folding leaves garbage in the upper bits
      * go#80099 cmd/compile: internal compiler error invalid heap allocated var without `Heapaddr`
      * go#80131 cmd/link: `peCreateExportFile` generates invalid `.def` file when output name has trailing     dot (`c-shared`         on Windows)
      * go#80365 os: `Root`'s `MkdirAll` can't create paths ending in forward slashes
      * go#80367 os: `TestRootMultiReadFile` fails on `netbsd/arm64` after CL 797880
      * go#80369 os: `TestRootConsistencyRemoveAll` fails on Plan 9 after CL 797880
      * go#80394 runtime: `arm64` found pointer to free object with safe code
      * go#80441 runtime: uninitialized register due to wrong ABI in `mach_vm_region_trampoline` leads to     `libc` following         garbage stack data as a pointer
      * go#80478 cmd/compile: `riscv64` miscompiles struct copy, corrupting a `[]byte` slice field
      * go#80499 runtime: js/wasm: found bad pointer in Go heap -- link-layout-constant value recorded as a     pointer in         the write-barrier buffer
      * go#80579 cmd/compile: `regalloc` uses unreliable type data (like `v.Type.IsSigned()`) to choose the     restore of         spills
      * go#80606 crypto/tls: escape hatch for FIPS 140-3 mode Extended Master Secret enforcement
      * go#80609 net, x/net/dns/dnsmessage: panic when parsing invalid `SVCB` record
      * go#80615 cmd/compile: `mips64le` misscompile `OffPtr` by a const which doesn't fit 32bits resulting in     panic
      * go#80617 cmd/compile: `mips`/`mips64`, multiply/divide results spilled from `HI`/`LO` corrupted w/ big     stack frames
      * go#80619 cmd/compile: `prove` bug causes invalid indirect call
      * go#80715 runtime: `fpTracebackPartialExpand` `SIGSEGV` under high panic load
    - Update to version 1.26.5 cut from the go1.25-fips-release branch at the revision tagged     go1.26.5-2-openssl-fips:
      * Limit `openssl` `RandReader` concurrency

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of Golang running on the remote host is 1.25.x prior to 1.25.13, or 1.26.x prior to 1.26.6. It is, therefore, affected by multiple vulnerabilities in the standard library and the toolchain, as referenced in the golang-announce advisory.

  - The ToASCII and ToUnicode functions incorrectly accepted Punycode-encoded labels that decode to an     ASCII-only label. This can lead to privilege escalation in programs using the idna package.
    (CVE-2026-39821)

  - When a server is configured to support unencrypted HTTP/2, it reads bytes from each new connection     to check for the HTTP/2 client preface. Previously this was done with no timeout. ReadHeaderTimeout     is now applied for this check. (CVE-2026-56853)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - A malicious GOPROXY was previously capable of forging up to two sumdb tiles that allow for a requested     module to bypass the GOSUMDB check and persist attacker-controlled module content to a local Go module     cache. This attack allows for a malicious GOPROXY to serve malicious module content that cannot be     detected by evaluating the transparency log. All tiles are now correctly verified against their parents.
    In order to determine if you have been affected: rm -r go.sum go.work.sum vendor/ && go mod tidy     (CVE-2026-56865)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21696-1 advisory.

    Update to version 1.25.14 cut from the go1.25-fips-release branch at the revision tagged     go1.25.14-1-openssl-fips.

    Security issues fixed:

    - CVE-2026-33818: encoding/asn1: stack exhaustion when parsing deeply-nested, recursive structures can     lead to denial       of service (bsc#1275034).
    - CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for     validation       bypass and privilege escalation (bsc#1266609).
    - CVE-2026-56853: net/http: first header read timeout not being applied when a server is configured to     support       unencrypted HTTP/2 allows for denial of service (bsc#1275028).
    - CVE-2026-56858: html/template: wrong JavaScript regexp context tracking after top-level `{` can lead to     XSS       (bsc#1275033).
    - CVE-2026-56859: encoding/xml: stack exhaustion due to recursion depth guard bypass during decoding     operations can       lead to denial of service (bsc#1275026).
    - CVE-2026-56860: net/url: quadratic complexity in `resolvePath` when processing backtrack path elements     can lead to       denial of service (bsc#1275029).
    - CVE-2026-56862: crypto/tls: handshake messages can bypass non-advancing record limit in TLS 1.3, which     can lead to       a denial of service (bsc#1275032).
    - CVE-2026-56864: x/mod/sumdb: a malicious `GOSUMDB` is capable of serving arbitrary module content not     contained       within the transparency log (bsc#1275025).
    - CVE-2026-56865: x/mod/sumdb/tlog: a malicious `GOPROXY` is capable of forging sumdb tiles, which allows     for bypass of       the `GOSUMDB` check and persistence of attacker-controlled module contents to a local Go module cache     (bsc#1275024).

    Other updates and bugfixes:

    - Update to version 1.25.14 cut from the go1.25-fips-release branch at the revision tagged     go1.25.14-1-openssl-fips:
      (jsc#SLE-18320):
      * Rebase to 1.25.14
    - go1.25.14 (released 2026-08-19, boo#1244485):
      * go#80926 net/http: `ReadHeaderTimeout` remains active after unencrypted HTTP/2 handoff
    - go1.25.13 (released 2026-08-13):
      * includes security fixes to the `go` command, and the `crypto/tls`, `encoding/asn1`, `encoding/xml`,     `html/template`,         `net/http`, and `net/url` packages, as well as bug fixes to the compiler, the runtime, and the     `crypto/tls` and `os`         packages.
      * go#79876 cmd/compile: `prove` miscompilation in `slicemask` folding leaves garbage in the upper bits
      * go#80098 cmd/compile: internal compiler error invalid heap allocated var without `Heapaddr`
      * go#80364 os: `Root`'s `MkdirAll` can't create paths ending in forward slashes
      * go#80366 os: `TestRootMultiReadFile` fails on `netbsd/arm64` after CL 797880
      * go#80368 os: `TestRootConsistencyRemoveAll` fails on Plan 9 after CL 797880
      * go#80393 runtime: `arm64` found pointer to free object with safe code
      * go#80440 runtime: uninitialized register due to wrong ABI in `mach_vm_region_trampoline` leads to     `libc` following         garbage stack data as a pointer
      * go#80477 cmd/compile: `riscv64` miscompiles struct copy, corrupting a `[]byte` slice field
      * go#80500 runtime: js/wasm: found bad pointer in Go heap -- link-layout-constant value recorded as a     pointer in the         write-barrier buffer
      * go#80578 cmd/compile: `regalloc` uses unreliable type data (like `v.Type.IsSigned()`) to choose the     restore of         spills
      * go#80605 crypto/tls: escape hatch for FIPS 140-3 mode Extended Master Secret enforcement
      * go#80614 cmd/compile: `mips64le` miscompiles `OffPtr` by a const which doesn't fit 32bits resulting in     panic
      * go#80616 cmd/compile: `mips`/`mips64`, multiply/divide results spilled from `HI`/`LO` corrupted w/ big     stack frames
      * go#80618 cmd/compile: `prove` bug causes invalid indirect call
      * go#80737 runtime: `fpTracebackPartialExpand` `SIGSEGV` under high panic load
    - Update to version 1.25.12 cut from the go1.25-fips-release branch at the revision tagged     go1.25.12-2-openssl-fips:
      * Limit openssl `RandReader` concurrency (#374)

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Published	Updated	Severity
342115	openSUSE 16 Security Update : go1.26-openssl (openSUSE-SU-2026:21705-1)	Nessus	SuSE Local Security Checks	9/1/2026	9/1/2026	high
335411	Golang 1.25.x < 1.25.13 / 1.26.x < 1.26.6 Multiple Vulnerabilities	Nessus	Misc.	8/14/2026	8/28/2026	high
335371	Linux Distros Unpatched Vulnerability : CVE-2026-56865	Nessus	Misc.	8/14/2026	10/19/2026	high
341653	SUSE SLED15 / SLES15 Security Update : go1.27 (SUSE-SU-2026:3830-1)	Nessus	SuSE Local Security Checks	8/31/2026	8/31/2026	high
342104	openSUSE 16 Security Update : go1.25-openssl (openSUSE-SU-2026:21696-1)	Nessus	SuSE Local Security Checks	9/1/2026	9/1/2026	high

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