USN-6509-1

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/notices/USN-6509-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6509-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-6509-1
Upstream
Related
Published
2023-11-23T05:39:06.685079Z
Modified
2025-10-13T04:36:42Z
Summary
firefox vulnerabilities
Details

Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information across domains, or execute arbitrary code. (CVE-2023-6206, CVE-2023-6210, CVE-2023-6211, CVE-2023-6212, CVE-2023-6213)

It was discovered that Firefox did not properly manage memory when images were created on the canvas element. An attacker could potentially exploit this issue to obtain sensitive information. (CVE-2023-6204)

It discovered that Firefox incorrectly handled certain memory when using a MessagePort. An attacker could potentially exploit this issue to cause a denial of service. (CVE-2023-6205)

It discovered that Firefox incorrectly did not properly manage ownership in ReadableByteStreams. An attacker could potentially exploit this issue to cause a denial of service. (CVE-2023-6207)

It discovered that Firefox incorrectly did not properly manage copy operations when using Selection API in X11. An attacker could potentially exploit this issue to obtain sensitive information. (CVE-2023-6208)

Rachmat Abdul Rokhim discovered that Firefox incorrectly handled parsing of relative URLS starting with "///". An attacker could potentially exploit this issue to cause a denial of service. (CVE-2023-6209)

References

Affected packages

Ubuntu:20.04:LTS / firefox

Package

Name
firefox
Purl
pkg:deb/ubuntu/firefox@120.0+build2-0ubuntu0.20.04.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
120.0+build2-0ubuntu0.20.04.1

Affected versions

69.*

69.0.3+build1-0ubuntu1

70.*

70.0+build2-0ubuntu1
70.0+build2-0ubuntu2
70.0.1+build1-0ubuntu2

71.*

71.0+build2-0ubuntu2
71.0+build5-0ubuntu1

72.*

72.0.1+build1-0ubuntu1
72.0.2+build1-0ubuntu1

73.*

73.0+build1-0ubuntu1
73.0+build2-0ubuntu1
73.0+build3-0ubuntu1
73.0.1+build1-0ubuntu1

74.*

74.0+build1-0ubuntu1
74.0+build2-0ubuntu1
74.0+build2-0ubuntu2
74.0+build3-0ubuntu1

75.*

75.0+build3-0ubuntu1

76.*

76.0+build2-0ubuntu0.20.04.1
76.0.1+build1-0ubuntu0.20.04.1

77.*

77.0.1+build1-0ubuntu0.20.04.1

78.*

78.0.1+build1-0ubuntu0.20.04.1
78.0.2+build2-0ubuntu0.20.04.1

79.*

79.0+build1-0ubuntu0.20.04.1

80.*

80.0+build2-0ubuntu0.20.04.1
80.0.1+build1-0ubuntu0.20.04.1

81.*

81.0+build2-0ubuntu0.20.04.1
81.0.2+build1-0ubuntu0.20.04.1

82.*

82.0+build2-0ubuntu0.20.04.1
82.0.2+build1-0ubuntu0.20.04.1
82.0.3+build1-0ubuntu0.20.04.1

83.*

83.0+build2-0ubuntu0.20.04.1

84.*

84.0+build3-0ubuntu0.20.04.1
84.0.1+build1-0ubuntu0.20.04.1
84.0.2+build1-0ubuntu0.20.04.1

85.*

85.0+build1-0ubuntu0.20.04.1
85.0.1+build1-0ubuntu0.20.04.1

86.*

86.0+build3-0ubuntu0.20.04.1
86.0.1+build1-0ubuntu0.20.04.1

87.*

87.0+build3-0ubuntu0.20.04.2

88.*

88.0+build2-0ubuntu0.20.04.1
88.0.1+build1-0ubuntu0.20.04.2

89.*

89.0+build2-0ubuntu0.20.04.2
89.0.1+build1-0ubuntu0.20.04.1
89.0.2+build1-0ubuntu0.20.04.1

90.*

90.0+build1-0ubuntu0.20.04.1
90.0.2+build1-0ubuntu0.20.04.1

91.*

91.0+build2-0ubuntu0.20.04.1
91.0.1+build1-0ubuntu0.20.04.1
91.0.2+build1-0ubuntu0.20.04.1

92.*

92.0+build3-0ubuntu0.20.04.1

93.*

93.0+build1-0ubuntu0.20.04.1

94.*

94.0+build3-0ubuntu0.20.04.1

95.*

95.0+build1-0ubuntu0.20.04.1
95.0.1+build2-0ubuntu0.20.04.1

96.*

96.0+build2-0ubuntu0.20.04.1

97.*

97.0+build2-0ubuntu0.20.04.1
97.0.2+build1-0ubuntu0.20.04.1

98.*

98.0+build3-0ubuntu0.20.04.2
98.0.1+build2-0ubuntu0.20.04.1
98.0.2+build1-0ubuntu0.20.04.1

99.*

99.0+build2-0ubuntu0.20.04.2

100.*

100.0+build2-0ubuntu0.20.04.1
100.0.2+build1-0ubuntu0.20.04.1

101.*

101.0.1+build1-0ubuntu0.20.04.1

102.*

102.0+build2-0ubuntu0.20.04.1

103.*

103.0+build1-0ubuntu0.20.04.1

104.*

104.0+build3-0ubuntu0.20.04.1

105.*

105.0+build2-0ubuntu0.20.04.1

106.*

106.0.2+build1-0ubuntu0.20.04.1
106.0.5+build1-0ubuntu0.20.04.1

107.*

107.0+build2-0ubuntu0.20.04.1

108.*

108.0+build2-0ubuntu0.20.04.1
108.0.1+build1-0ubuntu0.20.04.1
108.0.2+build1-0ubuntu0.20.04.1

109.*

109.0+build2-0ubuntu0.20.04.1
109.0.1+build1-0ubuntu0.20.04.2

110.*

110.0+build3-0ubuntu0.20.04.1
110.0.1+build2-0ubuntu0.20.04.1

111.*

111.0+build2-0ubuntu0.20.04.1
111.0.1+build2-0ubuntu0.20.04.1

112.*

112.0+build2-0ubuntu0.20.04.1
112.0.1+build1-0ubuntu0.20.04.1
112.0.2+build1-0ubuntu0.20.04.1

113.*

113.0+build2-0ubuntu0.20.04.1
113.0.1+build1-0ubuntu0.20.04.1
113.0.2+build1-0ubuntu0.20.04.1

114.*

114.0+build3-0ubuntu0.20.04.1
114.0.1+build1-0ubuntu0.20.04.1
114.0.2+build1-0ubuntu0.20.04.1

115.*

115.0+build2-0ubuntu0.20.04.3
115.0.2+build1-0ubuntu0.20.04.1

116.*

116.0+build2-0ubuntu0.20.04.2
116.0.2+build1-0ubuntu0.20.04.1
116.0.3+build2-0ubuntu0.20.04.1

117.*

117.0+build2-0ubuntu0.20.04.1
117.0.1+build2-0ubuntu0.20.04.1

118.*

118.0.1+build1-0ubuntu0.20.04.1
118.0.2+build2-0ubuntu0.20.04.1

119.*

119.0+build2-0ubuntu0.20.04.1
119.0.1+build1-0ubuntu0.20.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "120.0+build2-0ubuntu0.20.04.1",
            "binary_name": "firefox"
        },
        {
            "binary_version": "120.0+build2-0ubuntu0.20.04.1",
            "binary_name": "firefox-dev"
        },
        {
            "binary_version": "120.0+build2-0ubuntu0.20.04.1",
            "binary_name": "firefox-geckodriver"
        },
        {
            "binary_version": "120.0+build2-0ubuntu0.20.04.1",
            "binary_name": "firefox-mozsymbols"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2023-6204"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2023-6205"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2023-6206"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2023-6207"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2023-6208"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2023-6209"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2023-6210"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2023-6211"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2023-6212"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2023-6213"
        }
    ]
}