CVE-2020-6793

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

When processing an email message with an ill-formed envelope, Thunderbird could read data from a random memory location. This vulnerability affects Thunderbird < 68.5.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-908

Affected software

No affected versions have been published.

Timeline

Published: Mar 2, 2020
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2020

CVE-2020-67946.5If a user saved passwords before Thunderbird 60 and then later set a master password, an unencrypted copy of these passwords is still access CVE-2020-67956.5When processing a message that contains multiple S/MIME signatures, a bug in the MIME processing code caused a null pointer dereference, lea CVE-2020-67968.8A content process could have modified shared memory relating to crash reporting information, crash itself, and cause an out-of-bound write. CVE-2020-67974.3By downloading a file with the .fileloc extension, a semi-privileged extension could launch an arbitrary application on the user's computer.CVE-2020-67986.1If a template tag was used in a select tag, the parser could be confused and allow JavaScript parsing and execution when it should not be al CVE-2020-67998.8Command line arguments could have been injected during Firefox invocation as a shell handler for certain unsupported file types. This requir CVE-2020-68008.8Mozilla developers and community members reported memory safety bugs present in Firefox 72 and Firefox ESR 68.4. Some of these bugs showed e CVE-2020-68018.8Mozilla developers reported memory safety bugs present in Firefox 72. Some of these bugs showed evidence of memory corruption and we presume CVE-2020-68026.1In Mozilla Bleach before 3.11, a mutation XSS affects users calling bleach.clean with noscript and a raw tag in the allowed/whitelisted tags CVE-2020-68036.1An open redirect is present on the gateway's login page, which could cause a user to be redirected to a malicious site after logging in.CVE-2020-68046.1A reflected XSS vulnerability exists within the gateway, allowing an attacker to craft a specialized URL which could steal the user's authen CVE-2020-68058.8When removing data about an origin whose tab was recently closed, a use-after-free could occur in the Quota manager, resulting in a potentia