{
	"document":{
		"aggregate_severity":{
			"namespace":"https://nvd.nist.gov/vuln-metrics/cvss",
			"text":"Medium"
		},
		"category":"csaf_vex",
		"csaf_version":"2.0",
		"distribution":{
			"tlp":{
				"label":"WHITE",
				"url":"https:/www.first.org/tlp/"
			}
		},
		"lang":"en",
		"notes":[
			{
				"text":"gnome-tour security update",
				"category":"general",
				"title":"Synopsis"
			},
			{
				"text":"An update for gnome-tour is now available for openEuler-22.03-LTS-SP4",
				"category":"general",
				"title":"Summary"
			},
			{
				"text":"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.\n\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'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)",
				"category":"general",
				"title":"Description"
			},
			{
				"text":"An update for gnome-tour is now available for openEuler-22.03-LTS-SP4.\n\nopenEuler Security has rated this update as having a security impact of medium. A Common Vunlnerability Scoring System(CVSS)base score,which gives a detailed severity rating, is available for each vulnerability from the CVElink(s) in the References section.",
				"category":"general",
				"title":"Topic"
			},
			{
				"text":"Medium",
				"category":"general",
				"title":"Severity"
			},
			{
				"text":"gnome-tour",
				"category":"general",
				"title":"Affected Component"
			}
		],
		"publisher":{
			"issuing_authority":"openEuler security committee",
			"name":"openEuler",
			"namespace":"https://www.openeuler.org",
			"contact_details":"openeuler-security@openeuler.org",
			"category":"vendor"
		},
		"references":[
			{
				"summary":"openEuler-SA-2026-2817",
				"category":"self",
				"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2817"
			},
			{
				"summary":"CVE-2025-55159",
				"category":"self",
				"url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2025-55159&packageName=gnome-tour"
			},
			{
				"summary":"nvd cve",
				"category":"external",
				"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-55159"
			},
			{
				"summary":"openEuler-SA-2026-2817 vex file",
				"category":"self",
				"url":"https://repo.openeuler.org/security/data/csaf/advisories/2026/csaf-openeuler-sa-2026-2817.json"
			}
		],
		"title":"An update for gnome-tour is now available for openEuler-22.03-LTS-SP4",
		"tracking":{
			"initial_release_date":"2026-07-06T16:52:39+08:00",
			"revision_history":[
				{
					"date":"2026-07-06T16:52:39+08:00",
					"summary":"Initial",
					"number":"1.0.0"
				}
			],
			"generator":{
				"date":"2026-07-06T16:52:39+08:00",
				"engine":{
					"name":"openEuler CSAF Tool V1.0"
				}
			},
			"current_release_date":"2026-07-06T16:52:39+08:00",
			"id":"openEuler-SA-2026-2817",
			"version":"1.0.0",
			"status":"final"
		}
	},
	"product_tree":{
		"branches":[
			{
				"name":"openEuler",
				"category":"vendor",
				"branches":[
					{
						"name":"openEuler",
						"branches":[
							{
								"product":{
									"product_identification_helper":{
										"cpe":"cpe:/a:openEuler:openEuler:22.03-LTS-SP4"
									},
									"product_id":"openEuler-22.03-LTS-SP4",
									"name":"openEuler-22.03-LTS-SP4"
								},
								"name":"openEuler-22.03-LTS-SP4",
								"category":"product_version"
							}
						],
						"category":"product_name"
					},
					{
						"name":"aarch64",
						"branches":[
							{
								"product":{
									"product_identification_helper":{
										"cpe":"cpe:/a:openEuler:openEuler:22.03-LTS-SP4"
									},
									"product_id":"gnome-tour-3.38.0-3.oe2203sp4.aarch64.rpm",
									"name":"gnome-tour-3.38.0-3.oe2203sp4.aarch64.rpm"
								},
								"name":"gnome-tour-3.38.0-3.oe2203sp4.aarch64.rpm",
								"category":"product_version"
							}
						],
						"category":"architecture"
					},
					{
						"name":"src",
						"branches":[
							{
								"product":{
									"product_identification_helper":{
										"cpe":"cpe:/a:openEuler:openEuler:22.03-LTS-SP4"
									},
									"product_id":"gnome-tour-3.38.0-3.oe2203sp4.src.rpm",
									"name":"gnome-tour-3.38.0-3.oe2203sp4.src.rpm"
								},
								"name":"gnome-tour-3.38.0-3.oe2203sp4.src.rpm",
								"category":"product_version"
							}
						],
						"category":"architecture"
					},
					{
						"name":"x86_64",
						"branches":[
							{
								"product":{
									"product_identification_helper":{
										"cpe":"cpe:/a:openEuler:openEuler:22.03-LTS-SP4"
									},
									"product_id":"gnome-tour-3.38.0-3.oe2203sp4.x86_64.rpm",
									"name":"gnome-tour-3.38.0-3.oe2203sp4.x86_64.rpm"
								},
								"name":"gnome-tour-3.38.0-3.oe2203sp4.x86_64.rpm",
								"category":"product_version"
							}
						],
						"category":"architecture"
					}
				]
			}
		],
		"relationships":[
			{
				"relates_to_product_reference":"openEuler-22.03-LTS-SP4",
				"product_reference":"gnome-tour-3.38.0-3.oe2203sp4.aarch64.rpm",
				"full_product_name":{
					"product_id":"openEuler-22.03-LTS-SP4:gnome-tour-3.38.0-3.oe2203sp4.aarch64",
					"name":"gnome-tour-3.38.0-3.oe2203sp4.aarch64 as a component of openEuler-22.03-LTS-SP4"
				},
				"category":"default_component_of"
			},
			{
				"relates_to_product_reference":"openEuler-22.03-LTS-SP4",
				"product_reference":"gnome-tour-3.38.0-3.oe2203sp4.src.rpm",
				"full_product_name":{
					"product_id":"openEuler-22.03-LTS-SP4:gnome-tour-3.38.0-3.oe2203sp4.src",
					"name":"gnome-tour-3.38.0-3.oe2203sp4.src as a component of openEuler-22.03-LTS-SP4"
				},
				"category":"default_component_of"
			},
			{
				"relates_to_product_reference":"openEuler-22.03-LTS-SP4",
				"product_reference":"gnome-tour-3.38.0-3.oe2203sp4.x86_64.rpm",
				"full_product_name":{
					"product_id":"openEuler-22.03-LTS-SP4:gnome-tour-3.38.0-3.oe2203sp4.x86_64",
					"name":"gnome-tour-3.38.0-3.oe2203sp4.x86_64 as a component of openEuler-22.03-LTS-SP4"
				},
				"category":"default_component_of"
			}
		]
	},
	"vulnerabilities":[
		{
			"cve":"CVE-2025-55159",
			"notes":[
				{
					"text":"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.",
					"category":"description",
					"title":"Vulnerability Description"
				}
			],
			"product_status":{
				"fixed":[
					"openEuler-22.03-LTS-SP4:gnome-tour-3.38.0-3.oe2203sp4.aarch64",
					"openEuler-22.03-LTS-SP4:gnome-tour-3.38.0-3.oe2203sp4.src",
					"openEuler-22.03-LTS-SP4:gnome-tour-3.38.0-3.oe2203sp4.x86_64"
				]
			},
			"remediations":[
				{
					"product_ids":[
						"openEuler-22.03-LTS-SP4:gnome-tour-3.38.0-3.oe2203sp4.aarch64",
						"openEuler-22.03-LTS-SP4:gnome-tour-3.38.0-3.oe2203sp4.src",
						"openEuler-22.03-LTS-SP4:gnome-tour-3.38.0-3.oe2203sp4.x86_64"
					],
					"details":"gnome-tour security update",
					"category":"vendor_fix",
					"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2817"
				}
			],
			"scores":[
				{
					"cvss_v3":{
						"baseSeverity":"MEDIUM",
						"baseScore":5.1,
						"vectorString":"CVSS:3.1/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
						"version":"3.1"
					},
					"products":[
						"openEuler-22.03-LTS-SP4:gnome-tour-3.38.0-3.oe2203sp4.aarch64",
						"openEuler-22.03-LTS-SP4:gnome-tour-3.38.0-3.oe2203sp4.src",
						"openEuler-22.03-LTS-SP4:gnome-tour-3.38.0-3.oe2203sp4.x86_64"
					]
				}
			],
			"threats":[
				{
					"details":"Medium",
					"category":"impact"
				}
			],
			"title":"CVE-2025-55159"
		}
	]
}