Mozilla: >> Firefox >> 18.2 Security Vulnerabilities
A compromised child process could have injected XBL Bindings into privileged CSS rules, resulting in arbitrary code execution and a sandbox escape. This vulnerability affects Firefox < 70.
CVSS Score
10.0
EPSS Score
0.003
Published
2023-06-19
The return value from `gfx::SourceSurfaceSkia::Map()` wasn't being verified which could have potentially lead to a null pointer dereference. This vulnerability affects Firefox < 110.
CVSS Score
7.5
EPSS Score
0.002
Published
2023-06-19
An invalid downcast from `nsHTMLDocument` to `nsIContent` could have lead to undefined behavior. This vulnerability affects Firefox < 110.
CVSS Score
9.8
EPSS Score
0.004
Published
2023-06-19
A newline in a filename could have been used to bypass the file extension security mechanisms that replace malicious file extensions such as .lnk with .download. This could have led to accidental execution of malicious code.
*This bug only affects Firefox and Thunderbird on Windows. Other versions of Firefox and Thunderbird are unaffected.* This vulnerability affects Firefox < 112, Firefox ESR < 102.10, and Thunderbird < 102.10.
CVSS Score
9.8
EPSS Score
0.001
Published
2023-06-19
Similar to CVE-2023-28163, this time when choosing 'Save Link As', suggested filenames containing environment variable names would have resolved those in the context of the current user.
*This bug only affects Firefox and Thunderbird on Windows. Other versions of Firefox and Thunderbird are unaffected.* This vulnerability affects Firefox < 112, Firefox ESR < 102.10, and Thunderbird < 102.10.
CVSS Score
6.5
EPSS Score
0.002
Published
2023-06-19
An attacker could have caused an out of bounds memory access using WebGL APIs, leading to memory corruption and a potentially exploitable crash.
*This bug only affects Firefox and Thunderbird for macOS. Other operating systems are unaffected.* This vulnerability affects Firefox < 112, Firefox ESR < 102.10, and Thunderbird < 102.10.
CVSS Score
9.8
EPSS Score
0.01
Published
2023-06-19
A local attacker can trick the Mozilla Maintenance Service into applying an unsigned update file by pointing the service at an update file on a malicious SMB server. The update file can be replaced after the signature check, before the use, because the write-lock requested by the service does not work on a SMB server.
*Note: This attack requires local system access and only affects Windows. Other operating systems are not affected.* This vulnerability affects Firefox < 112, Firefox ESR < 102.10, and Thunderbird < 102.10.
CVSS Score
5.5
EPSS Score
0.001
Published
2023-06-19
Service workers could reveal script base URL due to dynamic `import()`. This vulnerability affects Firefox < 113.
CVSS Score
5.3
EPSS Score
0.002
Published
2023-06-19
A maliciously crafted favicon could have led to an out of memory crash. This vulnerability affects Firefox < 113.
CVSS Score
7.5
EPSS Score
0.001
Published
2023-06-19
Documents were incorrectly assuming an ordering of principal objects when ensuring we were loading an appropriately privileged principal. In certain circumstances it might have been possible to cause a document to be loaded with a higher privileged principal than intended. This vulnerability affects Firefox < 113.
CVSS Score
6.5
EPSS Score
0.002
Published
2023-06-19