Linux · Security advisory · March 14, 2022

ELSA-2022-0845: thunderbird security update

ELSA-2022-0845, released March 14, 2022, fixes 11 CVEs in thunderbird (version 0:91.7.0-2.0.1.el8_5). 2 of them are being exploited (CVE-2022-26485); 2 on CISA KEV. Patch Radar priority: Patch now.

Patch now2 on CISA KEV
CVEs closed
11
7 rated Critical
Exploited
2
CVE-2022-26485
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.3527
98th percentile

Priority of the 11 CVEs

Patch now 2 Urgent 5 High 4 Routine 0

Fixed package versions

ProductReleaseFixed in
thunderbirdol 80:91.7.0-2.0.1.el8_5

CVEs this fix closes

PriorityCVETitleImpactCVSSEPSSExploitation
Patch now CVE-2022-26485 Mozilla Firefox Use-After-Free Vulnerability 9.8 0.1426 KEVExploited
Patch now CVE-2022-26486 Mozilla Firefox Use-After-Free Vulnerability 9.8 0.0236 KEVExploited
Urgent CVE-2022-26384 Mozilla Thunderbird and 4 others: Protection Mechanism Failure 9.8 0.0097 None reported
Urgent CVE-2022-26381 Mozilla Thunderbird and 4 others: Use After Free 9.8 0.0087 None reported
Urgent CVE-2022-26386 firefox: Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This... 9.8 0.0071 None reported
Urgent CVE-2022-26383 Mozilla Thunderbird and 4 others: User Interface (UI) Misrepresentation of Critical Information 9.8 0.0070 None reported
Urgent CVE-2022-26387 Mozilla Thunderbird and 4 others: Time-of-check Time-of-use (TOCTOU) Race Condition 9.8 0.0066 None reported
High CVE-2022-25236 libxmltok1: xmlparse.c in Expat (aka libexpat) before 2.4.5 allows attackers to insert namespace-separator characters into namesp... 9.8 0.3527 None reported
High CVE-2022-25235 libxmltok1: xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks for whether a... 9.8 0.0496 None reported
High CVE-2022-25315 expat: In Expat (aka libexpat) before 2.4.5, there is an integer overflow in storeRawNames. 9.8 0.0482 None reported
High CVE-2022-0566 Mozilla Thunderbird and 1 other: Out-of-bounds Write 9.8 0.0074 None reported
Showing 1 to 11 of 11 1