Vulnerability-Lookup

OESA-2026-3047 (CVE-2025-55159)

Vulnerability from osv_openeuler – Published: 2026-07-19 11:11 – Updated: 2026-08-06 11:11 – Source website

Summary

gnome-tour security update

Details

A guided tour and greeter for GNOME.Tour uses by default the logo of the distribution based on the info from /etc/os-release. The application comes with a feature to replace the logo with a welcome video shipped by the distribution.

Security Fix(es):

slab is a pre-allocated storage for a uniform data type. In version 0.4.10, the get_disjoint_mut method incorrectly checked if indices were within the slab's capacity instead of its length, allowing access to uninitialized memory. This could lead to undefined behavior or potential crashes. This has been fixed in slab 0.4.11. A workaround for this issue involves to avoid using get_disjoint_mut with indices that might be beyond the slab's actual length.(CVE-2025-55159)

Severity

5.1 (Medium)


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

References

URL

Type

	https://www.openeuler.org/zh/security/security-bu…	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2025-55159	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "aarch64": [
          "gnome-tour-44.0-3.oe2403sp4.aarch64.rpm",
          "gnome-tour-debuginfo-44.0-3.oe2403sp4.aarch64.rpm",
          "gnome-tour-debugsource-44.0-3.oe2403sp4.aarch64.rpm"
        ],
        "src": [
          "gnome-tour-44.0-3.oe2403sp4.src.rpm"
        ],
        "x86_64": [
          "gnome-tour-44.0-3.oe2403sp4.x86_64.rpm",
          "gnome-tour-debuginfo-44.0-3.oe2403sp4.x86_64.rpm",
          "gnome-tour-debugsource-44.0-3.oe2403sp4.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:24.03-LTS-SP4",
        "name": "gnome-tour",
        "purl": "pkg:rpm/openEuler/gnome-tour\u0026distro=openEuler-24.03-LTS-SP4"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "44.0-3.oe2403sp4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "severity": "Medium"
  },
  "details": "A guided tour and greeter for GNOME.Tour uses by default the logo of the distribution based on the info from `/etc/os-release`. The application comes with a feature to replace the logo with a welcome video shipped by the distribution.\r\n\r\nSecurity Fix(es):\n\nslab is a pre-allocated storage for a uniform data type. In version 0.4.10, the get_disjoint_mut method incorrectly checked if indices were within the slab\u0026apos;s capacity instead of its length, allowing access to uninitialized memory. This could lead to undefined behavior or potential crashes. This has been fixed in slab 0.4.11. A workaround for this issue involves to avoid using get_disjoint_mut with indices that might be beyond the slab\u0026apos;s actual length.(CVE-2025-55159)",
  "id": "OESA-2026-3047",
  "modified": "2026-08-06T11:11:56Z",
  "published": "2026-07-19T11:11:56Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3047"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-55159"
    }
  ],
  "schema_version": "1.7.2",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "gnome-tour security update",
  "upstream": [
    "CVE-2025-55159"
  ]
}

CVE-2025-55159 (GCVE-0-2025-55159)

Vulnerability from cvelistv5 – Published: 2025-08-11 23:00 – Updated: 2025-08-12 14:07

Title

slab allows out-of-bounds access in `get_disjoint_mut` due to incorrect bounds check

Summary

Severity

5.1 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-08-12 14:06 UTC

CWE

CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Assigner

GitHub_M mitre root

References

3 references

URL	Tags
https://github.com/tokio-rs/slab/security/advisor…	x_refsource_CONFIRM
https://github.com/tokio-rs/slab/pull/152	x_refsource_MISC
https://github.com/tokio-rs/slab/commit/2d65c514b…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
tokio-rs	slab	Affected: >= 0.4.10, < 0.4.11

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-55159",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-08-12T14:06:53.117320Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-08-12T14:07:00.276Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "slab",
          "vendor": "tokio-rs",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 0.4.10, \u003c 0.4.11"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "slab is a pre-allocated storage for a uniform data type. In version 0.4.10, the get_disjoint_mut method incorrectly checked if indices were within the slab\u0027s capacity instead of its length, allowing access to uninitialized memory. This could lead to undefined behavior or potential crashes. This has been fixed in slab 0.4.11. A workaround for this issue involves to avoid using get_disjoint_mut with indices that might be beyond the slab\u0027s actual length."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "baseScore": 5.1,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "NONE"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-119",
              "description": "CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-08-11T23:00:58.915Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/tokio-rs/slab/security/advisories/GHSA-qx2v-8332-m4fv",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/tokio-rs/slab/security/advisories/GHSA-qx2v-8332-m4fv"
        },
        {
          "name": "https://github.com/tokio-rs/slab/pull/152",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/tokio-rs/slab/pull/152"
        },
        {
          "name": "https://github.com/tokio-rs/slab/commit/2d65c514bc964b192bab212ddf3c1fcea4ae96b8",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/tokio-rs/slab/commit/2d65c514bc964b192bab212ddf3c1fcea4ae96b8"
        }
      ],
      "source": {
        "advisory": "GHSA-qx2v-8332-m4fv",
        "discovery": "UNKNOWN"
      },
      "title": "slab allows out-of-bounds access in `get_disjoint_mut` due to incorrect bounds check"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2025-55159",
    "datePublished": "2025-08-11T23:00:58.915Z",
    "dateReserved": "2025-08-07T18:27:23.306Z",
    "dateUpdated": "2025-08-12T14:07:00.276Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

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OESA-2026-3047 (CVE-2025-55159)

CVE-2025-55159 (GCVE-0-2025-55159)

Tags

Sightings

Nomenclature

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