UBUNTU-CVE-2025-1942

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Source
https://ubuntu.com/security/CVE-2025-1942
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-1942.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2025-1942
Upstream
  • CVE-2025-1942
Downstream
Related
Published
2025-03-04T14:15:00Z
Modified
2025-09-08T17:06:49Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

When String.toUpperCase() caused a string to get longer it was possible for uninitialized memory to be incorporated into the result string This vulnerability affects Firefox < 136 and Thunderbird < 136.

References

Affected packages

Ubuntu:20.04:LTS

firefox

Package

Name
firefox
Purl
pkg:deb/ubuntu/firefox@136.0+build3-0ubuntu0.20.04.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
136.0+build3-0ubuntu0.20.04.1

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

120.*

120.0+build2-0ubuntu0.20.04.1
120.0.1+build1-0ubuntu0.20.04.1

121.*

121.0+build1-0ubuntu0.20.04.1
121.0.1+build1-0ubuntu0.20.04.1

122.*

122.0+build2-0ubuntu0.20.04.1
122.0.1+build1-0ubuntu0.20.04.1

123.*

123.0+build3-0ubuntu0.20.04.1
123.0.1+build1-0ubuntu0.20.04.1

124.*

124.0+build1-0ubuntu0.20.04.1
124.0.1+build1-0ubuntu0.20.04.1
124.0.2+build1-0ubuntu0.20.04.1

125.*

125.0.2+build1-0ubuntu0.20.04.2
125.0.3+build1-0ubuntu0.20.04.1

126.*

126.0+build2-0ubuntu0.20.04.1
126.0.1+build1-0ubuntu0.20.04.1

127.*

127.0.2+build1-0ubuntu0.20.04.1

128.*

128.0+build2-0ubuntu0.20.04.1

129.*

129.0.1+build1-0ubuntu0.20.04.1
129.0.2+build1-0ubuntu0.20.04.1

130.*

130.0+build2-0ubuntu0.20.04.1
130.0.1+build1-0ubuntu0.20.04.1

131.*

131.0+build1.1-0ubuntu0.20.04.1
131.0.2+build1-0ubuntu0.20.04.1
131.0.3+build1-0ubuntu0.20.04.1

132.*

132.0+build1-0ubuntu0.20.04.1

133.*

133.0+build2-0ubuntu0.20.04.1

134.*

134.0+build1-0ubuntu0.20.04.1

135.*

135.0+build2-0ubuntu0.20.04.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "firefox",
            "binary_version": "136.0+build3-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "firefox-dev",
            "binary_version": "136.0+build3-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "firefox-geckodriver",
            "binary_version": "136.0+build3-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "firefox-mozsymbols",
            "binary_version": "136.0+build3-0ubuntu0.20.04.1"
        }
    ]
}

Ubuntu:22.04:LTS

mozjs102

Package

Name
mozjs102
Purl
pkg:deb/ubuntu/mozjs102@102.15.1-0ubuntu0.22.04.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

102.*

102.11.0-0ubuntu0.22.04.1
102.12.0-0ubuntu0.22.04.1
102.13.0-0ubuntu0.22.04.1
102.15.1-0ubuntu0.22.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libmozjs-102-0",
            "binary_version": "102.15.1-0ubuntu0.22.04.1"
        },
        {
            "binary_name": "libmozjs-102-dev",
            "binary_version": "102.15.1-0ubuntu0.22.04.1"
        }
    ]
}

mozjs78

Package

Name
mozjs78
Purl
pkg:deb/ubuntu/mozjs78@78.15.0-4ubuntu1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

78.*

78.13.0-1
78.15.0-2
78.15.0-4ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libmozjs-78-0",
            "binary_version": "78.15.0-4ubuntu1"
        },
        {
            "binary_name": "libmozjs-78-dev",
            "binary_version": "78.15.0-4ubuntu1"
        }
    ]
}

mozjs91

Package

Name
mozjs91
Purl
pkg:deb/ubuntu/mozjs91@91.10.0-0ubuntu1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

91.*

91.5.1-0ubuntu1
91.6.0-1
91.6.0-2
91.7.0-2
91.10.0-0ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libmozjs-91-0",
            "binary_version": "91.10.0-0ubuntu1"
        },
        {
            "binary_name": "libmozjs-91-dev",
            "binary_version": "91.10.0-0ubuntu1"
        }
    ]
}

Ubuntu:24.04:LTS

mozjs102

Package

Name
mozjs102
Purl
pkg:deb/ubuntu/mozjs102@102.15.1-3ubuntu2?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

102.*

102.15.1-1
102.15.1-3ubuntu2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libmozjs-102-0t64",
            "binary_version": "102.15.1-3ubuntu2"
        },
        {
            "binary_name": "libmozjs-102-dev",
            "binary_version": "102.15.1-3ubuntu2"
        }
    ]
}

mozjs115

Package

Name
mozjs115
Purl
pkg:deb/ubuntu/mozjs115@115.10.0-1?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

115.*

115.3.0-0ubuntu1
115.4.0-2
115.5.0-1
115.6.0-1
115.7.0-4
115.8.0-1
115.9.0-1
115.9.0-1build1
115.10.0-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libmozjs-115-0t64",
            "binary_version": "115.10.0-1"
        },
        {
            "binary_name": "libmozjs-115-dev",
            "binary_version": "115.10.0-1"
        }
    ]
}

Ubuntu:25.04

mozjs115

Package

Name
mozjs115
Purl
pkg:deb/ubuntu/mozjs115@115.21.0-1?arch=source&distro=plucky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

115.*

115.16.0-1
115.17.0-1
115.18.0-1
115.19.0-1
115.20.0-1
115.21.0-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libmozjs-115-0t64",
            "binary_version": "115.21.0-1"
        },
        {
            "binary_name": "libmozjs-115-dev",
            "binary_version": "115.21.0-1"
        }
    ]
}

Ubuntu:Pro:18.04:LTS

mozjs52

Package

Name
mozjs52
Purl
pkg:deb/ubuntu/mozjs52@52.9.1-0ubuntu0.18.04.1?arch=source&distro=esm-infra/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

52.*

52.3.1-0ubuntu3
52.3.1-7fakesync1
52.8.1-0ubuntu0.18.04.1
52.9.1-0ubuntu0.18.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libmozjs-52-0",
            "binary_version": "52.9.1-0ubuntu0.18.04.1"
        },
        {
            "binary_name": "libmozjs-52-dev",
            "binary_version": "52.9.1-0ubuntu0.18.04.1"
        }
    ]
}

mozjs38

Package

Name
mozjs38
Purl
pkg:deb/ubuntu/mozjs38@38.8.0~repack1-0ubuntu4?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

38.*

38.8.0~repack1-0ubuntu1
38.8.0~repack1-0ubuntu3
38.8.0~repack1-0ubuntu4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libmozjs-38-0",
            "binary_version": "38.8.0~repack1-0ubuntu4"
        },
        {
            "binary_name": "libmozjs-38-dev",
            "binary_version": "38.8.0~repack1-0ubuntu4"
        }
    ]
}

Ubuntu:Pro:20.04:LTS

mozjs68

Package

Name
mozjs68
Purl
pkg:deb/ubuntu/mozjs68@68.6.0-1ubuntu1?arch=source&distro=esm-infra/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

68.*

68.5.0-1~fakesync
68.5.0-2~fakesync
68.6.0-1
68.6.0-1ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libmozjs-68-0",
            "binary_version": "68.6.0-1ubuntu1"
        },
        {
            "binary_name": "libmozjs-68-dev",
            "binary_version": "68.6.0-1ubuntu1"
        }
    ]
}

mozjs52

Package

Name
mozjs52
Purl
pkg:deb/ubuntu/mozjs52@52.9.1-1ubuntu3?arch=source&distro=esm-apps/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

52.*

52.9.1-1build1
52.9.1-1ubuntu3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libmozjs-52-0",
            "binary_version": "52.9.1-1ubuntu3"
        },
        {
            "binary_name": "libmozjs-52-dev",
            "binary_version": "52.9.1-1ubuntu3"
        }
    ]
}