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.

Below is a complete list of vulnerabilities:

1. A use after free vulnerability in V8 can be exploited to cause denial of service or execute arbitrary code.
2. A use after free vulnerability in Aura can be exploited to cause denial of service or execute arbitrary code.
3. A heap buffer overflow vulnerability in TabStrip can be exploited to cause denial of service.
4. An out of bounds read vulnerability in IPC can be exploited to cause denial of service or obtain sensitive information.
5. A use after free vulnerability in screen capture component can be exploited to cause denial of service or execute arbitrary code.

Original advisories

• Changelog for Opera 75

• Stable Channel Update for Desktop

Related products

• Opera

CVE list

• CVE-2021-21197
  critical
• CVE-2021-21195
  critical
• CVE-2021-21194
  critical
• CVE-2021-21199
  critical
• CVE-2021-21198
  high
• CVE-2021-21196
  critical

Read more

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