USN-4936-1

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USN-4936-1

Summary: thunderbird vulnerabilities

Details: Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information, or execute arbitrary code. (CVE-2021-23968, CVE-2021-23969, CVE-2021-23973, CVE-2021-23978) It was discovered that Thunderbird may keep key material in memory in some circumstances. A local attacker could potentially exploit this to obtain private keys. (CVE-2021-29950)

References: https://ubuntu.com/security/notices/USN-4936-1, https://ubuntu.com/security/CVE-2021-23968, https://ubuntu.com/security/CVE-2021-23969, https://ubuntu.com/security/CVE-2021-23973, https://ubuntu.com/security/CVE-2021-23978, https://ubuntu.com/security/CVE-2021-29950