Advisory Published

USN-6840-1: Thunderbird vulnerabilities

First published: Wed Jun 19 2024(Updated: )

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, bypass security restrictions, cross-site tracing, or execute arbitrary code.(CVE-2024-5688, CVE-2024-5690, CVE-2024-5696, CVE-2024-5700, CVE-2024-5702) Luan Herrera discovered that Thunderbird did not properly validate the X-Frame-Options header inside sandboxed iframe. An attacker could potentially exploit this issue to bypass sandbox restrictions to open a new window. (CVE-2024-5691) Kirtikumar Anandrao Ramchandani discovered that Thunderbird did not properly track cross-origin tainting in Offscreen Canvas. An attacker could potentially exploit this issue to access image data from another site in violation of same-origin policy. (CVE-2024-5693)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/thunderbird<1:115.12.0+build3-0ubuntu0.23.10.1
1:115.12.0+build3-0ubuntu0.23.10.1
Ubuntu Ubuntu=23.10
All of
ubuntu/thunderbird<1:115.12.0+build3-0ubuntu0.22.04.1
1:115.12.0+build3-0ubuntu0.22.04.1
Ubuntu Ubuntu=22.04
All of
ubuntu/thunderbird<1:115.12.0+build3-0ubuntu0.20.04.1
1:115.12.0+build3-0ubuntu0.20.04.1
Ubuntu Ubuntu=20.04

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Child vulnerabilities

(Contains the following vulnerabilities)

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