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CVE-2026-113866

🗓️ 23 Oct 2026 00:00:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 5 Views

Exchange AutoDiscover lookup in Thunderbird can lead to information disclosure.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-113866
20 Oct 202619:28
–circl
cnnvd
CNNVD
Mozilla Thunderbird encryption issues and vulnerabilities
19 Oct 202616:00
–cnnvd
cve
CVE
CVE-2026-113866
20 Oct 202619:14
–cve
cvelist
Cvelist
CVE-2026-113866 Account password sent unencrypted during Exchange account setup
20 Oct 202619:14
–cvelist
debiancve
Debian CVE
CVE-2026-113866
20 Oct 202619:14
–debiancve
euvd
EUVD
EUVD-2026-105293
20 Oct 202619:14
–euvd
kaspersky
Kaspersky
KLA91360 Multiple vulnerabilities in Mozilla Thunderbird
20 Oct 202600:00
–kaspersky
nessus
Tenable Nessus
Mozilla Thunderbird < 153.5.1
21 Oct 202600:00
–nessus
nessus
Tenable Nessus
Mozilla Thunderbird < 158.0.1
21 Oct 202600:00
–nessus
nessus
Tenable Nessus
Mozilla Thunderbird < 153.5.1
21 Oct 202600:00
–nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu22.04allthunderbird0thunderbird_0_all.deb
Ubuntu24.04allthunderbird0thunderbird_0_all.deb
Ubuntu26.04allthunderbird0thunderbird_0_all.deb
Ubuntu26.10allthunderbird0thunderbird_0_all.deb

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23 Oct 2026 03:26Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.9
EPSS0.00365
SSVC
5