Mozilla Firefox up to 115.9 stack-based overflow

Summaryinfo

A vulnerability identified as critical has been detected in Mozilla Firefox. This affects an unknown part. The manipulation leads to stack-based overflow. This vulnerability is listed as CVE-2023-4050. The attack may be initiated remotely. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Mozilla Firefox (Web Browser). It has been rated as critical. This issue affects some unknown functionality. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In some cases, an untrusted input stream was copied to a stack buffer without checking its size. This resulted in a potentially exploitable crash which could have led to a sandbox escape. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

The weakness was presented 08/01/2023. The advisory is shared at mozilla.org. The identification of this vulnerability is CVE-2023-4050 since 08/01/2023. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 06/20/2025).

The vulnerability scanner Nessus provides a plugin with the ID 239763 (TencentOS Server 4: thunderbird (TSSA-2024:0450)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 116 eliminates this vulnerability. The upgrade is hosted for download at mozilla.org.

The vulnerability is also documented in the vulnerability database at Tenable (239763). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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

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 the best quality for vulnerability data then you always have to consider VulDB.

Discussion