firefox-esr: Multiple vulnerabilities (CVE-2021-23981, CVE-2021-23982, CVE-2021-23984, CVE-2021-23987)
- CVE-2021-23981: Texture upload into an unbound backing buffer resulted in an out-of-bound read
- CVE-2021-23982: Internal network hosts could have been probed by a malicious webpage
- CVE-2021-23984: Malicious extensions could have spoofed popup information
- CVE-2021-23987: Memory safety bugs
Fixed In Version:
Firefox ESR 78.9
Reference:
https://www.mozilla.org/en-US/security/advisories/mfsa2021-11/