Linux · Ubuntu · Package update · March 8, 2022

firefox 98.0+build3-0ubuntu0.18.04.2: firefox 98.0+build3-0ubuntu0.18.04.2 for Ubuntu 18.04.6 LTS (bionic)

firefox 98.0+build3-0ubuntu0.18.04.2, released March 8, 2022, fixes 15 CVEs in firefox. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.

UrgentUnsupported product
CVEs closed
15
4 rated Critical
Exploited
0
None reported
Highest CVSS
9.8
Base score, 0 to 10
Highest EPSS
0.0548
92nd percentile

Priority of the 15 CVEs

Patch now 0 Urgent 4 High 9 Routine 2

Fixed package versions

ProductReleaseFixed in
firefoxUbuntu 18.04.6 LTS (bionic)98.0+build3-0ubuntu0.18.04.2

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
Urgent CVE-2022-26384 Mozilla Thunderbird and 4 others: Protection Mechanism Failure9.8 0.0097 None reported
Urgent CVE-2022-26381 Mozilla Thunderbird and 4 others: Use After Free9.8 0.0087 None reported
Urgent CVE-2022-26383 Mozilla Thunderbird and 4 others: User Interface (UI) Misrepresentation of Critical Information9.8 0.0073 None reported
Urgent CVE-2022-26387 Mozilla Thunderbird and 4 others: Time-of-check Time-of-use (TOCTOU) Race Condition9.8 0.0066 None reported
High CVE-2022-22822 xul-ext-lightning: addBinding in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.9.8 0.0548 None reported
High CVE-2021-45960 expat: In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) placesin the storeAtts function in xmlparse.c can...9.8 0.0467 None reported
High CVE-2021-46143 expat: In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integeroverflow exists for m_groupSize.9.8 0.0447 None reported
High CVE-2022-22823 thunderbird-mozsymbols: build_model in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.9.8 0.0387 None reported
High CVE-2022-22824 expat: defineAttribute in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.9.8 0.0387 None reported
High CVE-2022-22826 libxmltok1: nextScaffoldPart in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.9.8 0.0318 None reported
High CVE-2022-22827 thunderbird-gnome-support: storeAtts in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.9.8 0.0318 None reported
High CVE-2022-22825 libxmltok1: lookup in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.9.8 0.0299 None reported
High CVE-2022-0843 Mozilla Firefox ESR and 2 others: Out-of-bounds Write8.8 0.0057 None reported
Routine CVE-2022-26385 Mozilla Firefox ESR and 2 others: Use After Free6.5 0.0058 None reported
Routine CVE-2022-26382 Mozilla Firefox ESR and 2 others: Observable Discrepancy4.3 0.0051 None reported
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