Vulnerability-Lookup

OPENSUSE-SU-2026:11398-1

Vulnerability from csaf_opensuse - Published: 2026-07-28 00:00 - Updated: 2026-09-17 17:17

Summary

tekton-cli-0.45.1-1.1 on GA media

Severity

Moderate

Notes

Title of the patch: tekton-cli-0.45.1-1.1 on GA media

Description of the patch: These are all security issues fixed in the tekton-cli-0.45.1-1.1 package on the GA media of openSUSE Tumbleweed.

Patchnames: openSUSE-Tumbleweed-2026-11398

CVE-2026-48702

7.5 (High)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

Recommended 16 products

Product	Version	Remediation
Unresolved product id: openSUSE Tumbleweed:tekton-cli-0:0.45.1-1.1.aarch64	—	Vendor Fix
Unresolved product id: openSUSE Tumbleweed:tekton-cli-0:0.45.1-1.1.ppc64le	—	Vendor Fix
Unresolved product id: openSUSE Tumbleweed:tekton-cli-0:0.45.1-1.1.s390x	—	Vendor Fix
Unresolved product id: openSUSE Tumbleweed:tekton-cli-0:0.45.1-1.1.x86_64	—	Vendor Fix
Unresolved product id: openSUSE Tumbleweed:tekton-cli-bash-completion-0:0.45.1-1.1.aarch64	—	Vendor Fix
Unresolved product id: openSUSE Tumbleweed:tekton-cli-bash-completion-0:0.45.1-1.1.ppc64le	—	Vendor Fix
Unresolved product id: openSUSE Tumbleweed:tekton-cli-bash-completion-0:0.45.1-1.1.s390x	—	Vendor Fix
Unresolved product id: openSUSE Tumbleweed:tekton-cli-bash-completion-0:0.45.1-1.1.x86_64	—	Vendor Fix
Unresolved product id: openSUSE Tumbleweed:tekton-cli-fish-completion-0:0.45.1-1.1.aarch64	—	Vendor Fix
Unresolved product id: openSUSE Tumbleweed:tekton-cli-fish-completion-0:0.45.1-1.1.ppc64le	—	Vendor Fix
Unresolved product id: openSUSE Tumbleweed:tekton-cli-fish-completion-0:0.45.1-1.1.s390x	—	Vendor Fix
Unresolved product id: openSUSE Tumbleweed:tekton-cli-fish-completion-0:0.45.1-1.1.x86_64	—	Vendor Fix
Unresolved product id: openSUSE Tumbleweed:tekton-cli-zsh-completion-0:0.45.1-1.1.aarch64	—	Vendor Fix
Unresolved product id: openSUSE Tumbleweed:tekton-cli-zsh-completion-0:0.45.1-1.1.ppc64le	—	Vendor Fix
Unresolved product id: openSUSE Tumbleweed:tekton-cli-zsh-completion-0:0.45.1-1.1.s390x	—	Vendor Fix
Unresolved product id: openSUSE Tumbleweed:tekton-cli-zsh-completion-0:0.45.1-1.1.x86_64	—	Vendor Fix

Threats

Impact important

CVE-2026-49835

5.9 (Medium)


                
                  CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

Recommended 16 products, the same list as for CVE-2026-48702

Threats

Impact moderate

References

8 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/o…	self
https://www.suse.com/security/cve/CVE-2026-48702/	self
https://www.suse.com/security/cve/CVE-2026-49835/	self
https://www.suse.com/security/cve/CVE-2026-48702	external
https://bugzilla.suse.com/1269425	external
https://www.suse.com/security/cve/CVE-2026-49835	external
https://bugzilla.suse.com/1270028	external

JSON

To clipboard

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CVE-2026-48702 (GCVE-0-2026-48702)

Vulnerability from cvelistv5 – Published: 2026-08-13 13:14 – Updated: 2026-08-13 15:16

Title

Rekor has an OOM Condition due to Unbounded gzip Decompression in Alpine APK Parsing Logic

Summary

Rekor is a software supply chain transparency log. Starting in version 0.3.0 and prior to version 1.5.2, the `Package.Unmarshal()` function in `pkg/types/alpine/apk.go` decompresses the signature and control gzip members of an APK file into in-memory buffers without bounding the total decompressed size. The existing `max_apk_metadata_size` check (default 1MB) is only applied to individual tar entry header sizes after decompression completes, so it does not prevent a decompression bomb from consuming unbounded heap memory. An attacker can craft a gzip stream that compresses at a ~1000:1 ratio (e.g., 2MB compressed zeros → 2GB decompressed). When submitted as spec.package.content in an Alpine `ProposedEntry`, the server decompresses the full payload into memory during request processing, triggering a fatal Go runtime out-of-memory error or OS OOM-kill that cannot be caught by the server's recover() middleware. This is reachable via two unauthenticated endpoints, `POST /api/v1/log/entries (createLogEntry)` and `POST /api/v1/log/entries/retrieve (searchLogQuery)`. Both invoke `V001Entry.Canonicalize()` → `fetchExternalEntities()` → `apk.Unmarshal(packageData)`, which performs the unbounded decompression. Version 1.5.2 patches the issue. There is no effective workaround. Setting `max_request_body_size` reduces but does not eliminate exposure due to the ~1000:1 compression ratio (a 1MB body limit still allows ~1GB heap allocation). Setting `max_apk_metadata_size` has no effect on this vulnerability since the check is applied after decompression.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-13 15:12 UTC

CWE

CWE-770 - Allocation of Resources Without Limits or Throttling

Assigner

GitHub_M mitre root

References

1 reference

URL	Tags
https://github.com/sigstore/rekor/security/adviso…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
sigstore	rekor	Affected: >= 0.3.0, < 1.5.2

Show details on NVD website

JSON

To clipboard

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CVE-2026-49835 (GCVE-0-2026-49835)

Vulnerability from cvelistv5 – Published: 2026-07-17 18:16 – Updated: 2026-07-17 19:45

Title

Sigstore Timestamp Authority: OOM due to unbounded metric label cardinality

Summary

Sigstore Timestamp Authority is a service for issuing RFC 3161 timestamps. Prior to 2.1.0, the global wrapMetrics middleware records raw HTTP request path r.URL.Path and raw HTTP request method r.Method as Prometheus labels for latency and request count metric vectors before routing, allowing an unauthenticated remote attacker to issue requests with random paths such as /api/v1/timestamp/<uuid> or random HTTP methods and create unbounded permanent time-series entries that exhaust memory. This issue is fixed in version 2.1.0.

Severity

5.9 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-17 19:45 UTC

CWE

CWE-770 - Allocation of Resources Without Limits or Throttling

Assigner

GitHub_M mitre root

References

3 references

URL	Tags
https://github.com/sigstore/timestamp-authority/s…	x_refsource_CONFIRM
https://github.com/sigstore/timestamp-authority/c…	x_refsource_MISC
https://github.com/sigstore/timestamp-authority/r…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
sigstore	timestamp-authority	Affected: < 2.1.0

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-49835",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-17T19:45:33.792018Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-07-17T19:45:44.026Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "timestamp-authority",
          "vendor": "sigstore",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 2.1.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Sigstore Timestamp Authority is a service for issuing RFC 3161 timestamps. Prior to 2.1.0, the global wrapMetrics middleware records raw HTTP request path r.URL.Path and raw HTTP request method r.Method as Prometheus labels for latency and request count metric vectors before routing, allowing an unauthenticated remote attacker to issue requests with random paths such as /api/v1/timestamp/\u003cuuid\u003e or random HTTP methods and create unbounded permanent time-series entries that exhaust memory. This issue is fixed in version 2.1.0."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-770",
              "description": "CWE-770: Allocation of Resources Without Limits or Throttling",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-17T18:16:41.764Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/sigstore/timestamp-authority/security/advisories/GHSA-9c54-x2g4-v92j",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/sigstore/timestamp-authority/security/advisories/GHSA-9c54-x2g4-v92j"
        },
        {
          "name": "https://github.com/sigstore/timestamp-authority/commit/506ec57b6ac2ea1e4739322e47453469425b69b5",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/sigstore/timestamp-authority/commit/506ec57b6ac2ea1e4739322e47453469425b69b5"
        },
        {
          "name": "https://github.com/sigstore/timestamp-authority/releases/tag/v2.1.0",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/sigstore/timestamp-authority/releases/tag/v2.1.0"
        }
      ],
      "source": {
        "advisory": "GHSA-9c54-x2g4-v92j",
        "discovery": "UNKNOWN"
      },
      "title": "Sigstore Timestamp Authority: OOM due to unbounded metric label cardinality"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-49835",
    "datePublished": "2026-07-17T18:16:41.764Z",
    "dateReserved": "2026-06-01T18:50:36.056Z",
    "dateUpdated": "2026-07-17T19:45:44.026Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

OPENSUSE-SU-2026:11398-1

CVE-2026-48702 (GCVE-0-2026-48702)

CVE-2026-49835 (GCVE-0-2026-49835)

Tags

Sightings

Nomenclature

Related by attack behaviour