CVE-2020-26970

Description

When reading SMTP server status codes, Thunderbird writes an integer value to a position on the stack that is intended to contain just one byte. Depending on processor architecture and stack layout, this leads to stack corruption that may be exploitable. This vulnerability affects Thunderbird < 78.5.1.

Risk Information

Base Score
8.8
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score
Exploitation Probability
0.378

Associated Vulnerability

VulnerabilityOS Platform
Vulnerabilities CVE-2020-26970 are fixed in Mozilla Thunderbird (78.5.1)Windows
Vulnerabilities CVE-2020-26970 are fixed in Mozilla Thunderbird (x64) (78.5.1)Windows
Vulnerabilities CVE-2020-26970 are fixed in Mozilla Thunderbird For Mac (78.5.1)Mac
Multiple Vulnerabilities are affected in Mozilla Thunderbird for Mac 78.4.0Mac
thunderbird security update(DSA-4802-1) thunderbird_78.5.1-1~deb10u1_i386.debLinux
thunderbird security update(DSA-4802-1) thunderbird_78.5.1-1~deb10u1_amd64.debLinux
Mozilla Open Source mail and newsgroup client (USN-4701-1) thunderbird_78.6.1+build1-0ubuntu0.20.10.1_amd64.debLinux

Patch Details

Click to see the patches provided by ManageEngine for this CVE
Patch IDPatch Description
PATCH-317304Mozilla Thunderbird (78.5.1)
PATCH-317305Mozilla Thunderbird (x64) (78.5.1)
PATCH-611353Mozilla Thunderbird For Mac (128.12.0)
PATCH-611807Mozilla Thunderbird For Mac (142.0)

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234