Multiple vulnerabilities in Opera

Description

Multiple vulnerabilities were found in Opera. Malicious users can exploit these vulnerabilities to execute arbitrary code, cause denial of service, obtain sensitive information, spoof user interface.

Below is a complete list of vulnerabilities:

1. Use after free vulnerability in Page Info UI can be exploited to cause denial of service or execute arbitrary code.
2. Heap buffer overflow vulnerability in Bookmarks can be exploited to cause denial of service or execute arbitrary code.
3. Use after free vulnerability in Browser UI can be exploited to cause denial of service or execute arbitrary code.
4. Out of bounds read vulnerability in Tab Strip can be exploited to cause denial of service or obtain sensitive information.
5. Use after free vulnerability in File System API can be exploited to cause denial of service or execute arbitrary code.
6. Incorrect security UI vulnerability in Navigation can be exploited to obtain sensitive information and spoof user interface.
7. Out of bounds write vulnerability in Tab Groups can be exploited to cause denial of service or execute arbitrary code.

Original advisories

• Changelog for Opera 78

• Stable Channel Update for Desktop

Related products

• Opera

CVE list

• CVE-2021-30591
  unknown
• CVE-2021-30590
  unknown
• CVE-2021-30597
  unknown
• CVE-2021-30592
  unknown
• CVE-2021-30594
  unknown
• CVE-2021-30593
  unknown
• CVE-2021-30596
  unknown

Read more

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