SUSE SLES15 Security Update : distribution (SUSE-SU-2026:4212-1)

medium Nessus Plugin ID 346801

Synopsis

The remote SUSE host is missing one or more security updates.

Description

The remote SUSE Linux SLES15 / SLES_SAP15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4212-1 advisory.

Security issues fixed:

- CVE-2026-33186: google.golang.org/grpc: authorization bypass due to improper validation of the HTTP/2 :path pseudo- header (bsc#1260283).
- CVE-2026-33540: information disclosure via improper validation of authentication realm URL (bsc#1261793).
- CVE-2026-33814: golang.org/x/net/http2: infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE (bsc#1265788).
- CVE-2026-34986: github.com/go-jose/go-jose/v4: crafted JWE input with a missing encrypted key can lead to a denial of service (bsc#1262951).
- CVE-2026-35172: information disclosure via stale references after content deletion (bsc#1262096).
- CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation bypass and privilege escalation (bsc#1266629).
- CVE-2026-39827,CVE-2026-39828,CVE-2026-39829,CVE-2026-39830,CVE-2026-39831, CVE-2026-39832,CVE-2026-39833,CVE-2026-39834,CVE-2026-39835,CVE-2026-42508, CVE-2026-46595,CVE-2026-46597,CVE-2026-46598: golang.org/x/crypto/ssh: multiple issues (bsc#1268884).
- CVE-2026-41888: tag deletion bypasses the storage.delete.enabled configuration (bsc#1265429).
- CVE-2026-56852: golang.org/x/text/unicode/norm: infinite loop on truncated/invalid UTF-8 input (bsc#1272132).

Changes for distribution:

Update to 3.1.1:

* Bounds-check the file basename in PurgeUploads Walk callback
* Add S3 Express One Zone support to the S3 storage driver
* Fix tag list endpoint in proxy mode
* Clamp oversized `n` query parameter in proxy mode instead of returning 400
* See the full changelog below for the full list of changes.
* internal/client/auth/challenge: cleanups and minor refactor
* build(deps): bump go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp from 0.18.0 to 0.19.0 in the go_modules group across 1 directory
* build(deps): bump go.opentelemetry.io/otel/exporters/otlp/otl ptrace/otlptracehttp from 1.42.0 to 1.43.0 in the go_modules group across 1 directory
* build(deps): bump github/codeql-action from 4.34.1 to 4.35.1
* chore(build): Bump go version to latest
* refactor: use slices.Backward to simplify the code
* fix(proxy): fix tag list endpoint in proxy mode
* Update docker-compose structure in deploying.md
* build(deps): bump actions/upload-artifact from 7.0.0 to 7.0.1
* build(deps): bump actions/upload-pages-artifact from 4.0.0 to 5.0.0
* build(deps): bump docker/login-action from 4.0.0 to 4.1.0
* build(deps): bump docker/bake-action from 7.0.0 to 7.1.0
* fix(proxy): clamp oversized n query param instead of
* feat(s3): add express zone one support to S3 driver
* fix(storage): bounds-check the file basename in PurgeUploads Walk callback
* chore(release): prepare for v3.1.1 release
* Adds support for tag pagination
* Fixes default credentials in Azure storage provider
* Drops support for go1.23 and go1.24 and updates to go1.25
* docs: Update to refer to new image tag v3
* Fix default_credentials in azure storage provider
* chore: make function comment match function name
* build(deps): bump golang.org/x/net from 0.37.0 to 0.38.0 in the go_modules group across 1 directory
* fix: implement JWK thumbprint for Ed25519 public keys
* fix: Annotate code block from validation.indexes configuration docs
* feat: extract redis config to separate struct
* Fix: resolve issue #4478 by using a temporary file for non- append writes
* build(deps): bump ossf/scorecard-action from 2.4.1 to 2.4.2
* docs: Add note about `OTEL_TRACES_EXPORTER`
* fix: set OTEL traces to disabled by default
* Fix markdown syntax for OTEL traces link in docs
* Switch UUIDs to UUIDv7
* refactor: replace map iteration with maps.Copy/Clone
* s3-aws: fix build for 386
* docs: Add OpenTelemetry links to quickstart docs
* Fix S3 driver loglevel param
* Fixed data race in TestSchedule test
* Fixes #4683 - uses X/Y instead of Gx/Gy for thumbprint of ecdsa keys
* build(deps): bump actions/checkout from 4 to 5
* Fix broken link to Docker Hub fair use policy
* fix(registry/handlers/app): redis CAs
* build(deps): bump actions/labeler from 5 to 6
* build(deps): bump actions/setup-go from 5 to 6
* build(deps): bump actions/upload-pages-artifact from 3 to 4
* build(deps): bump ossf/scorecard-action from 2.4.2 to 2.4.3
* build(deps): bump github/codeql-action from 3.26.5 to 4.30.7
* build(deps): bump github/codeql-action from 4.30.7 to 4.30.8
* chore: labeler: add area/client mapping for internal/client/**
* client: add Accept headers to Exists() HEAD
* feat(registry): Make graceful shutdown test robust
* fix(registry): Correct log formatting for upstream challenge
* build(deps): bump github/codeql-action from 4.30.8 to 4.30.9
* build(deps): bump github/codeql-action from 4.30.9 to 4.31.3
* refactor: remove redundant variable declarations in for loops
* 'should' -> 'must' regarding redis eviction policy
* build(deps): bump actions/checkout from 5 to 6
* Incorrect warning hint
* Add return error when list object
* build(deps): bump actions/checkout from 5.0.1 to 6.0.0
* build(deps): bump peter-evans/dockerhub-description from 4 to 5
* fix: Logging regression for manifest HEAD requests
* Add boolean parsing util
* Expose `useFIPSEndpoint` for S3
* Add Cloudfleet Container Registry to adopters
* fix(ci): Fix broken Azure e2e storage tests
* BUG: Fix notification filtering to work with actions when mediatypes is empty
* build(deps): bump actions/checkout from 6.0.0 to 6.0.1
* build(deps): bump actions/upload-artifact from 4.6.2 to 6.0.0
* build(deps): bump github/codeql-action from 4.31.3 to 4.31.10
* build(deps): bump github/codeql-action from 4.31.10 to 4.32.2
* build(deps): bump actions/checkout from 6.0.1 to 6.0.2
* update golangci-lint to v2.9 and fix linting issues
* update to go1.25.7, alpine 3.23, xx v1.9.0
* vendor: github.com/sirupsen/logrus v1.9.4
* vendor: update golang.org/x/* dependencies
* vendor: github.com/docker/docker-credential-helpers v0.9.5
* vendor: github.com/opencontainers/image-spec v1.1.1
* vendor: github.com/klauspost/compress v1.18.4
* fix: prefer otel variables over hard coded service name
* vendor: github.com/spf13/cobra v1.10.2
* vendor: github.com/bshuster-repo/logrus-logstash-hook v1.1.0
* fix: sync parent dir to ensure data is reliably stored
* modernize code
* vendor: github.com/docker/go-events 605354379745
* vendor: github.com/go-jose/go-jose/v4 v4.1.3
* build(deps): bump github/codeql-action from 4.32.2 to 4.32.5
* build(deps): bump docker/login-action from 3 to 4
* build(deps): bump actions/upload-artifact from 6.0.0 to 7.0.0
* build(deps): bump docker/setup-buildx-action from 3 to 4
* build(deps): bump docker/bake-action from 6 to 7
* build(deps): bump docker/metadata-action from 5 to 6
* fix: nil-check scheduler in `proxyingRegistry.Close()`
* fix: set MD5 on GCS writer before first `Write` call in `putContent`
* docs: pull through cache will pull from remote multiple times
* Update s3.md regionendpoint option
* chore(deps): Bump Go to latest 1.25 in CI workflows and go.mod
* fix: correct Ed25519 JWK thumbprint `kty` from `'OTP'` to `'OKP'`
* Update vacuum.go
* Opt: refector tag list pagination support (stage 1)
* Correctly match environment variables to YAML-inlined structs in configuration
* Enable Redis TLS without client certificates
* build(deps): bump actions/deploy-pages from 4 to 5
* build(deps): bump github/codeql-action from 4.32.5 to 4.34.1
* fix(registry/proxy): use detached context when flushing write buffer
* ci: pin actions and apply zizmor auto-fixes
* build(deps): bump actions/setup-go from 6.3.0 to 6.4.0
* build(deps): bump github.com/go-jose/go-jose/v4 from 4.1.3 to 4.1.4 in the go_modules group across 1 directory
* chore(app): warn when partial TLS config is used in Redis
* feat(registry): enhance authentication checks in htpasswd implementation
* Opt: refactor tag list pagination support
* build(deps): bump codecov/codecov-action from 5.5.4 to 6.0.0
* build(deps): bump actions/configure-pages from 5.0.0 to 6.0.0
* fix(vendor): fix broke vendor validation
* chore(ci): Prep for v3.1 release
- Update to version 3.1.0:
* fix(vendor): fix broke vendpor validation
* fix redis repo-scoped blob descriptor revocation
* proxy: bind bearer realms to upstream trust boundary
- restore directory ownership after last change
- Move config files in systemd tmpfiles dir for immutable mode (jsc#PED-14747)
* Add distribution-registry.tmpfiles
* This is the first v3 stable release since `v2.8.3` which is a culmination of years of hard work of the container community and registry maintainers!
* If you are upgrading from `v2.x` and have never used any of the release candidates, please familiarise yourselves with the `v2.x` deprecations properly.
* oss and swift storage drivers are no longer supported
* `docker/libtrust` has been replaced with `go-jose/go-jose` in https://github.com/distribution/distribution/pull/4096
* `client` is no longer supported as a standalone package in https://github.com/distribution/distribution/pull/4126
* the default configuration path has changed to `/etc/distribution/config.yml`
* `ManifestBuilder` interface in 3886
* `manifest.Versioned` has been deprecated in favor of `oci.Versioned` in 3887
* `reference` package has been moved to github.com/distribution/reference in https://github.com/distribution/distribution/pull/4063

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.

Solution

Update the affected distribution-registry package.

Plugin Details

Severity: Medium

ID: 346801

File Name: suse_SU-2026-4212-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 9/17/2026

Updated: 9/17/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 93.74

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:P

CVSS Score Source: CVE-2026-41888

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 6.3

Threat Score: 2.9

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:distribution-registry

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/16/2026

Vulnerability Publication Date: 3/18/2026

Reference Information

CVE: CVE-2026-33186, CVE-2026-33540, CVE-2026-33814, CVE-2026-34986, CVE-2026-35172, CVE-2026-39821, CVE-2026-39827, CVE-2026-39828, CVE-2026-39829, CVE-2026-39830, CVE-2026-39831, CVE-2026-39832, CVE-2026-39833, CVE-2026-39834, CVE-2026-39835, CVE-2026-41888, CVE-2026-42508, CVE-2026-46595, CVE-2026-46597, CVE-2026-46598, CVE-2026-56852

SuSE: SUSE-SU-2026:4212-1

Detections

Analytics

SUSE SLES15 Security Update : distribution (SUSE-SU-2026:4212-1)

medium Nessus Plugin ID 346801

Synopsis

Description

Solution

See Also

Plugin Details

Risk Information

VPR

CVSS v2

CVSS v3

CVSS v4

Vulnerability Information

Reference Information