Mozilla Firefox up to 142 memory corruption

Summaryinfo

A vulnerability was found in Mozilla Firefox. It has been declared as critical. This affects an unknown function. Executing a manipulation can lead to memory corruption. This vulnerability is tracked as CVE-2025-10537. The attack can be launched remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Mozilla Firefox. This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Memory safety bugs present in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 143 and Firefox ESR < 140.3.

The advisory is available at bugzilla.mozilla.org. This vulnerability was named CVE-2025-10537 since 09/16/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 10/06/2025).

The vulnerability scanner Nessus provides a plugin with the ID 265341 (RHEL 10 : firefox (RHSA-2025:16109)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 143 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (265341), EUVD (EUVD-2025-29557) and CERT Bund (WID-SEC-2025-2074). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

• Debian Linux
• Amazon Linux 2
• Red Hat Enterprise Linux
• SUSE Linux
• Oracle Linux
• SUSE openSUSE
• Mozilla Firefox
• Mozilla Firefox ESR
• Mozilla Thunderbird

Productinfo

Type

• Web Browser

Vendor

• Mozilla

Name

• Firefox

Version

• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7
• 0.7.1
• 0.7.2
• 0.7.3
• 0.8
• 0.9
• 0.9.1
• 0.9.2
• 0.9.2.1
• 0.9.3
• 0.9.4
• 0.9.4.1
• 0.9.5
• 0.9.6
• 0.9.7
• 0.9.8
• 0.9.9
• 0.9.35
• 0.9.48
• 0.10
• 0.10.1
• 1.0
• 1.0.1
• 1.0.2
• 1.0.3
• 1.0.4
• 1.0.5
• 1.0.6
• 1.0.7
• 1.0.8
• 1.0.9
• 1.1
• 1.1.8
• 1.2
• 1.2.1
• 1.3
• 1.3.1
• 1.4
• 1.4.1
• 1.4.2
• 1.4.4
• 1.5
• 1.5.0.1
• 1.5.0.2
• 1.5.0.3
• 1.5.0.4
• 1.5.0.5
• 1.5.0.6
• 1.5.0.7
• 1.5.0.8
• 1.5.0.9
• 1.5.0.10
• 1.5.0.11
• 1.5.0.12
• 1.5.0.14
• 1.5.1
• 1.5.2
• 1.5.3
• 1.5.4
• 1.5.5
• 1.5.6
• 1.5.7
• 1.5.8
• 1.6
• 1.7
• 1.7.1
• 1.7.2
• 1.7.3
• 1.8
• 2
• 2.0
• 2.0 .4
• 2.0 8
• 2.0.0.1
• 2.0.0.2
• 2.0.0.3
• 2.0.0.4
• 2.0.0.5
• 2.0.0.6
• 2.0.0.7
• 2.0.0.8
• 2.0.0.9
• 2.0.0.10
• 2.0.0.11
• 2.0.0.12
• 2.0.0.13
• 2.0.0.14
• 2.0.0.15
• 2.0.0.16
• 2.0.0.17
• 2.0.0.18
• 2.0.0.19
• 2.0.0.20
• 2.0.1
• 2.0.4
• 2.0.5
• 2.0.6
• 2.0.7
• 2.0.9
• 2.0.10
• 2.1
• 2.2
• 2.5
• 3
• 3.0
• 3.0.1
• 3.0.2
• 3.0.3
• 3.0.4
• 3.0.5
• 3.0.6
• 3.0.7
• 3.0.8
• 3.0.9
• 3.0.10
• 3.0.11
• 3.0.12
• 3.0.13
• 3.0.14
• 3.0.15
• 3.0.16
• 3.0.17
• 3.0.19
• 3.0beta5
• 3.1
• 3.5
• 3.5.1
• 3.5.2
• 3.5.3
• 3.5.4
• 3.5.5
• 3.5.6
• 3.5.7
• 3.5.8
• 3.5.9
• 3.5.10
• 3.5.11
• 3.5.12
• 3.5.13
• 3.5.14
• 3.5.15
• 3.5.16
• 3.5.17
• 3.5.18
• 3.5.19
• 3.6
• 3.6.1
• 3.6.2
• 3.6.3
• 3.6.4
• 3.6.6
• 3.6.7
• 3.6.8
• 3.6.9
• 3.6.10
• 3.6.11
• 3.6.12
• 3.6.13
• 3.6.14
• 3.6.15
• 3.6.16
• 3.6.17
• 3.6.18
• 3.6.19
• 3.6.20
• 3.6.21
• 3.6.22
• 3.6.26
• 3.6.28
• 3.7
• 3.11.5
• 4.0
• 4.0.1
• 5.0
• 5.0.1
• 6.0
• 6.0.1
• 6.0.2
• 7.0
• 7.0.1
• 8.0
• 8.0 for Mac
• 8.0.1
• 8.1
• 8.2
• 9.0
• 9.0.1
• 9.1
• 10.0
• 10.0.1
• 10.0.2
• 10.0.3
• 10.0.4
• 10.0.5
• 10.0.7
• 10.1
• 10.2
• 11.0
• 12.0
• 13.0
• 14
• 14.0.1
• 15
• 15.0.1 (downgrade)
• 15.0a1
• 16
• 16.0.1
• 16.0.2
• 17.0
• 17.0.1
• 17.0.2
• 17.0.3
• 17.0.4
• 17.0.5
• 17.0.6
• 18.0
• 19.0
• 19.0.1
• 19.0.2
• 20.0
• 20.0.1
• 21.0
• 22.0
• 23.0
• 23.0.1
• 24.0
• 24.0.1
• 24.0.2
• 24.1.0
• 24.1.1
• 24.2
• 24.3
• 24.4
• 24.5
• 24.7
• 25
• 25.0
• 25.0.1
• 26
• 26.0
• 27
• 27.0
• 28
• 28.0
• 28.0.1
• 29.0
• 29.0.1
• 30.0
• 31
• 31.0
• 31.1.0
• 31.1.1
• 31.2
• 31.3.0
• 32.0
• 33
• 33.0
• 34
• 34.0
• 34.0.5
• 35
• 36
• 36.0.3
• 36.0.4
• 37
• 37.0
• 37.0.1
• 37.0.2
• 38
• 38.0
• 39
• 39.0
• 39.0.3
• 40
• 40.0.3
• 41
• 41.0
• 41.0.1
• 42
• 43
• 43.0
• 44
• 44.0.2
• 45
• 45.0
• 45.6
• 47.0
• 48
• 49
• 49.0
• 49.0.2
• 50
• 50.0.1
• 50.0.2
• 50.1
• 51
• 51.0.3
• 52
• 52.6
• 52.8
• 53
• 54.0
• 55
• 56
• 57
• 57.0.1
• 58.0
• 58.0.1
• 59
• 59.0.1
• 60
• 60.0
• 60.0.2
• 61
• 62.0
• 62.0.3
• 63.0
• 64
• 64.0
• 65
• 65.0.0
• 65.0.1
• 66
• 66.0
• 67
• 67.0
• 67.0.2
• 67.0.3
• 67.0.4
• 68.0
• 68.0.2
• 68.7
• 68.11
• 68.12
• 69.0
• 69.0.1
• 70
• 70.0
• 71
• 71.0
• 72
• 72.0
• 74.0
• 74.0.0
• 74.0.1
• 75.0
• 76
• 76.0
• 77
• 77.0
• 78.0
• 78.4
• 78.7
• 78.10.1
• 80.0
• 81.0
• 82
• 82.0
• 83.0
• 84.0
• 85.0
• 86.0
• 87.0
• 88.0
• 89.0
• 89.0.1
• 90.0
• 91.0
• 91.0.1
• 91.7
• 91.8
• 92.0
• 93.0
• 94.0
• 95.0
• 96
• 97
• 98
• 99
• 100
• 101
• 102
• 102.2
• 102.6
• 103
• 104
• 105
• 106
• 107
• 108
• 109
• 110
• 110.1
• 111
• 112
• 113
• 114
• 115
• 115.0.2
• 115.6
• 115.9
• 115.23
• 115.23.1
• 116
• 117
• 118
• 119
• 120
• 121
• 122
• 123
• 124
• 124.0.1
• 125
• 126
• 127
• 128
• 128.3
• 128.7
• 128.9
• 128.10
• 128.11
• 129
• 130
• 130.0.1
• 131
• 131.0.2
• 131.0.3
• 131.2
• 132
• 133
• 134
• 135
• 135.0.1
• 136
• 136.0.4
• 137
• 137.0.2
• 138
• 138.0.4
• 139
• 139.0.4
• 140
• 141
• 142

License

• open-source

Website

• Vendor: https://www.mozilla.org/
• Product: https://www.mozilla.org/en-US/firefox/

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion