Skip to content

Known vulnerabilities in Mozilla Thunderbird

Is your version affected?

CVE Summary Score Published
CVE-2021-29967 Mozilla developers reported memory safety bugs present in Firefox 88 and Firefox ESR 78.11 Not rated Jun 24, 2021
CVE-2021-23981 A texture upload of a Pixel Buffer Object could have confused the WebGL code to skip binding the buffer used to unpack… Not rated Mar 31, 2021
CVE-2021-23982 Using techniques that built on the slipstream research, a malicious webpage could have scanned both an internal… Not rated Mar 31, 2021
CVE-2021-23984 A malicious extension could have opened a popup window lacking an address bar Not rated Mar 31, 2021
CVE-2021-23987 Mozilla developers and community members reported memory safety bugs present in Firefox 86 and Firefox ESR 78.8 Not rated Mar 31, 2021
CVE-2021-23964 Mozilla developers reported memory safety bugs present in Firefox 84 and Firefox ESR 78.6 Not rated Feb 26, 2021
CVE-2021-23978 Mozilla developers reported memory safety bugs present in Firefox 85 and Firefox ESR 78.7 Not rated Feb 26, 2021
CVE-2021-23953 If a user clicked into a specifically crafted PDF, the PDF reader could be confused into leaking cross-origin… Not rated Feb 26, 2021
CVE-2021-23954 Using the new logical assignment operators in a JavaScript switch statement could have caused a type confusion,… Not rated Feb 26, 2021
CVE-2021-23960 Performing garbage collection on re-declared JavaScript variables resulted in a user-after-poison, and a potentially… Not rated Feb 26, 2021
CVE-2021-23968 If Content Security Policy blocked frame navigation, the full destination of a redirect served in the frame was reported… Not rated Feb 26, 2021
CVE-2021-23969 As specified in the W3C Content Security Policy draft, when creating a violation report, "User agents need to ensure… Not rated Feb 26, 2021
CVE-2021-23973 When trying to load a cross-origin resource in an audio/video context a decoding error may have resulted, and the… Not rated Feb 26, 2021
CVE-2020-26971 Certain blit values provided by the user were not properly constrained leading to a heap buffer overflow on some video… Not rated Jan 7, 2021
CVE-2020-26973 Certain input to the CSS Sanitizer confused it, resulting in incorrect components being removed Not rated Jan 7, 2021
CVE-2020-26974 When flex-basis was used on a table wrapper, a StyleGenericFlexBasis object could have been incorrectly cast to the… Not rated Jan 7, 2021
CVE-2020-26978 Using techniques that built on the slipstream research, a malicious webpage could have exposed both an internal… Not rated Jan 7, 2021
CVE-2020-35111 When an extension with the proxy permission registered to receive , the proxy.onRequest callback was not triggered for… Not rated Jan 7, 2021
CVE-2020-35112 If a user downloaded a file lacking an extension on Windows, and then "Open"-ed it from the downloads panel, if there… Not rated Jan 7, 2021
CVE-2020-35113 Mozilla developers reported memory safety bugs present in Firefox 83 and Firefox ESR 78.5 Not rated Jan 7, 2021
CVE-2020-26970 When reading SMTP server status codes, Thunderbird writes an integer value to a position on the stack that is intended… Not rated Dec 9, 2020
CVE-2020-26968 Mozilla developers reported memory safety bugs present in Firefox 82 and Firefox ESR 78.4 Not rated Dec 9, 2020
CVE-2020-26966 Searching for a single word from the address bar caused an mDNS request to be sent on the local network searching for… Not rated Dec 9, 2020
CVE-2020-26965 Some websites have a feature "Show Password" where clicking a button will change a password field into a textbook field,… Not rated Dec 9, 2020
CVE-2020-26961 When DNS over HTTPS is in use, it intentionally filters RFC1918 and related IP ranges from the responses as these do not… Not rated Dec 9, 2020

Other Mozilla products