Linux · Security advisory · March 16, 2022

ALSA-2022:0951: Security update for 2 packages

ALSA-2022:0951, released March 16, 2022, fixes 12 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
12
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.3527
98th percentile

Priority of the 12 CVEs

Patch now 0 Urgent 0 High 12 Routine 0

Fixed package versions

ProductReleaseFixed in
expatalmalinux 82.2.5-8.el8_6.2
expat-develalmalinux 82.2.5-8.el8_6.2

CVEs this fix closes

PriorityCVETitleImpactCVSSEPSSExploitation
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-2022-22822 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-2022-23852 expat: Expat (aka libexpat) before 2.4.4 has a signed integer overflow inXML_GetBuffer, for configurations with a nonzero XM... 9.8 0.0508 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-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
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