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The resolveImplicitLevels function in common/ubidi.c in the Unicode Bidirectional Algorithm implementation in ICU4C in International Components for Unicode (ICU) before 55.1 uses an integer data type that is inconsistent with a header file, which allows remote attackers to cause a denial of service (incorrect malloc followed by invalid free) or possibly execute arbitrary code via crafted text.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Apple Itunes | — | Upgrade Apple iTunes to the latest version | Nov 3, 2023 | Nov 3, 2023 |
| Apple Osx Icu | — | Upgrade macOS to the latest version | Apr 5, 2017 | May 25, 2015 |
| Debian | — | Upgrade icu | Jul 30, 2024 | May 25, 2015 |
| Gentoo Linux | — | Upgrade dev-libs/icu. | Oct 30, 2017 | May 25, 2015 |
| Oracle Solaris | — | Upgrade consolidation/l10n/l10n-incorporation to version 0.5.11-0.175.3.0.0.26.2 on Solaris 11.3Upgrade entire to version 0.5.11-0.175.3.0.0.30.0 on Solaris 11.3 | May 29, 2017 | May 25, 2015 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | May 5, 2015 |
| Suse | — | Upgrade sacUpgrade myspell-el_GRUpgrade myspell-ru_RUUpgrade libreofficekitUpgrade myspell-enUpgrade libreoffice-l10n-nnUpgrade libreoffice-l10n-zh-HantUpgrade libreoffice-l10n-gugUpgrade libvisio-devel-docUpgrade myspell-es_CLUpgrade libreoffice-branding-upstreamUpgrade libreoffice-l10n-pt-BRUpgrade libreoffice-l10n-euUpgrade libreoffice-l10n-nbUpgrade myspell-pt_BRUpgrade libreoffice-l10n-itUpgrade myspell-cs_CZUpgrade libreoffice-l10n-kokUpgrade libreoffice-icon-theme-galaxyUpgrade myspell-ar_JOUpgrade libreoffice-writerUpgrade myspell-en_CAUpgrade myspell-da_DKUpgrade myspell-es_ESUpgrade libreoffice-icon-themesUpgrade libreoffice-l10n-amUpgrade libreoffice-l10n-glUpgrade libreoffice-l10n-xhUpgrade libreoffice-l10n-mniUpgrade myspell-en_TTUpgrade libreoffice-gtk3Upgrade libreoffice-gladeUpgrade myspell-lightproof-pt_BRUpgrade myspell-te_INUpgrade myspell-es_GTUpgrade myspell-viUpgrade libreoffice-l10n-siUpgrade myspell-en_JMUpgrade graphite2-develUpgrade myspell-nl_NLUpgrade libcmis-c-0_5-5Upgrade myspell-bg_BGUpgrade libreoffice-l10n-jaUpgrade libreoffice-l10n-hrUpgrade myspell-nn_NOUpgrade myspell-es_SVUpgrade myspell-lv_LVUpgrade libreoffice-l10n-ltUpgrade myspell-ar_OMUpgrade myspell-ca_ESUpgrade libgraphite2-3-32bitUpgrade libreoffice-l10n-myUpgrade myspell-th_THUpgrade libreoffice-l10n-pt_PTUpgrade myspell-dictionariesUpgrade myspell-en_NZUpgrade myspell-fr_CHUpgrade libreoffice-l10n-brUpgrade myspell-arUpgrade libreoffice-l10n-pt_BRUpgrade libreoffice-base-drivers-mysqlUpgrade libreoffice-l10n-dgoUpgrade libreoffice-l10n-veUpgrade myspell-ca_ES_valenciaUpgrade libetonyek-devel-docUpgrade libhyphen0Upgrade myspell-en_MWUpgrade myspell-ar_LBUpgrade myspell-es_CRUpgrade libreoffice-calcUpgrade myspell-es_ARUpgrade liborcus-0_8-0Upgrade myspell-es_NIUpgrade myspell-esUpgrade libcmis-c-develUpgrade liblangtag1Upgrade libmwaw-develUpgrade libreoffice-l10n-kmr_latnUpgrade libreoffice-l10n-cyUpgrade myspell-es_COUpgrade libreoffice-l10n-fiUpgrade libreoffice-l10n-isUpgrade libe-book-0_1-1Upgrade librevenge-develUpgrade libreoffice-l10n-enUpgrade libreoffice-l10n-kaUpgrade myspell-ca_ITUpgrade libreoffice-l10n-ukUpgrade myspell-gu_INUpgrade libreoffice-l10n-plUpgrade libreoffice-l10n-satUpgrade libreoffice-mailmergeUpgrade libreoffice-drawUpgrade libreoffice-l10n-tgUpgrade myspell-ar_SAUpgrade myspell-lo_LAUpgrade libcmis-develUpgrade libreoffice-l10n-loUpgrade myspell-af_NAUpgrade myspell-noUpgrade libreoffice-l10n-maiUpgrade libvisio-0_1-1Upgrade libreoffice-l10n-ttUpgrade myspell-es_HNUpgrade libabw-devel-docUpgrade libreoffice-l10n-ca_valenciaUpgrade myspell-es_UYUpgrade libreoffice-librelogoUpgrade libcmis-0_5-5Upgrade libreoffice-l10n-hsbUpgrade libe-book-devel-docUpgrade myspell-zu_ZAUpgrade myspell-ar_LYUpgrade libreoffice-l10n-gdUpgrade libodfgen-0_1-1Upgrade libreoffice-l10n-zuUpgrade myspell-fr_MCUpgrade libreoffice-l10n-sw_tzUpgrade pentaho-libxmlUpgrade myspell-sk_SKUpgrade libreoffice-l10n-stUpgrade myspell-it_ITUpgrade myspell-roUpgrade libwps-develUpgrade myspell-ar_BHUpgrade myspell-ro_ROUpgrade myspell-es_PRUpgrade myspell-es_VEUpgrade myspell-af_ZAUpgrade myspell-bs_BAUpgrade libreoffice-l10n-furUpgrade libreoffice-qt5Upgrade myspell-es_BOUpgrade libserializerUpgrade libetonyek-0_1-1Upgrade libreoffice-l10n-fyUpgrade libreoffice-l10n-kabUpgrade myspell-teUpgrade libvoikko-develUpgrade myspell-en_INUpgrade libreoffice-l10n-guUpgrade libvisio-develUpgrade libreoffice-l10n-rwUpgrade libcdr-develUpgrade libabw-0_1-1Upgrade google-carlito-fontsUpgrade libreoffice-l10n-zh-HansUpgrade myspell-bn_INUpgrade librevenge-stream-0_0-0Upgrade myspell-ar_IQUpgrade libreoffice-l10n-ugUpgrade myspell-en_ZAUpgrade libcdr-devel-docUpgrade myspell-es_DOUpgrade libreoffice-l10n-bsUpgrade myspell-lightproof-ru_RUUpgrade myspell-ca_ADUpgrade libreoffice-l10n-lvUpgrade myspell-ar_DZUpgrade myspell-ar_MAUpgrade myspell-nb_NOUpgrade libreoffice-l10n-nlUpgrade librevenge-0_0-0Upgrade libreoffice-l10n-mkUpgrade myspell-es_ECUpgrade myspell-ar_YEUpgrade myspell-pt_PTUpgrade libreoffice-l10n-frUpgrade libreofficekit-develUpgrade myspell-ar_SDUpgrade libmythes-1_2-0Upgrade libgraphite2-3Upgrade libmspub-develUpgrade libreoffice-l10n-mlUpgrade libreoffice-l10n-tsUpgrade hyphen-develUpgrade mythes-develUpgrade myspell-es_PEUpgrade libreoffice-gdb-pretty-printersUpgrade libreoffice-l10n-teUpgrade libreoffice-l10n-en_zaUpgrade libreoffice-l10n-caUpgrade libabw-develUpgrade myspell-sv_SEUpgrade libreoffice-l10n-hiUpgrade libreoffice-l10n-elUpgrade myspell-de_DEUpgrade libreoffice-l10n-nrUpgrade myspell-vi_VNUpgrade libreoffice-l10n-orUpgrade libreoffice-l10n-zh_TWUpgrade libreoffice-l10n-ocUpgrade myspell-sr_Latn_CSUpgrade libreoffice-base-drivers-postgresqlUpgrade libodfgen-develUpgrade libreoffice-l10n-slUpgrade myspell-sr_CSUpgrade myspell-de_ATUpgrade libicu52_1-32bitUpgrade myspell-es_PAUpgrade myspell-fr_BEUpgrade libreoffice-l10n-astUpgrade libixion-0_10-0Upgrade libreoffice-l10n-mnUpgrade libicu52_1-dataUpgrade myspell-hi_INUpgrade libreoffice-l10n-brxUpgrade libreoffice-l10n-boUpgrade libreoffice-kde4Upgrade libreoffice-l10n-daUpgrade myspell-pl_PLUpgrade myspell-en_BZUpgrade fluteUpgrade libreoffice-pyunoUpgrade myspell-en_AUUpgrade libreofficeUpgrade libreoffice-l10n-kkUpgrade libreoffice-writer-extensionsUpgrade libreoffice-l10n-huUpgrade libreoffice-gtk2Upgrade libmwaw-devel-docUpgrade liborcus-develUpgrade myspell-en_IEUpgrade python-importlibUpgrade libreoffice-impressUpgrade libgltf-0_0-0Upgrade myspell-et_EEUpgrade myspell-ar_EGUpgrade myspell-es_CUUpgrade myspell-sr_Latn_RSUpgrade libreoffice-l10n-deUpgrade libreoffice-l10n-bn_inUpgrade libpagemaker-0_0-0Upgrade libreoffice-l10n-faUpgrade icuUpgrade myspell-srUpgrade libreoffice-l10n-eoUpgrade myspell-en_USUpgrade libreoffice-l10n-asUpgrade libfreehand-develUpgrade libbaseUpgrade libreoffice-l10n-tnUpgrade myspell-en_GHUpgrade libreoffice-l10n-sidUpgrade libreoffice-l10n-dsbUpgrade pentaho-reporting-flow-engineUpgrade libreoffice-l10n-neUpgrade myspell-en_GBUpgrade libreoffice-l10n-nsoUpgrade libreoffice-l10n-ssUpgrade libreoffice-l10n-ruUpgrade libicu-develUpgrade myspell-sr_RSUpgrade libreoffice-l10n-mrUpgrade libicu52_1Upgrade libreoffice-l10n-gaUpgrade myspell-en_BSUpgrade libreoffice-sdk-docUpgrade libreoffice-l10n-trUpgrade myspell-en_PHUpgrade libreoffice-voikkoUpgrade libreoffice-l10n-pt-PTUpgrade libe-book-develUpgrade myspell-hr_HRUpgrade libreoffice-l10n-knUpgrade libreoffice-l10n-sqUpgrade myspell-fr_LUUpgrade myspell-deUpgrade libreoffice-sdkUpgrade myspell-ar_KWUpgrade libfreehand-0_1-1Upgrade myspell-ca_FRUpgrade libmwaw-0_3-3Upgrade myspell-es_PYUpgrade myspell-nl_BEUpgrade myspell-sl_SIUpgrade libreoffice-filters-optionalUpgrade libreoffice-mathUpgrade myspell-lightproof-enUpgrade libreoffice-l10n-lbUpgrade libreoffice-l10n-svUpgrade myspell-en_NAUpgrade libreoffice-l10n-en_gbUpgrade apache-commons-loggingUpgrade libreoffice-l10n-viUpgrade myspell-ar_AEUpgrade libreoffice-gnomeUpgrade myspell-en_ZWUpgrade libreoffice-l10n-sdUpgrade libreoffice-officebeanUpgrade libreoffice-l10n-taUpgrade myspell-ar_TNUpgrade libwps-0_4-4Upgrade libfreehand-devel-docUpgrade libicu-docUpgrade myspell-de_CHUpgrade librevenge-generators-0_0-0Upgrade libreoffice-l10n-arUpgrade myspell-lightproof-hu_HUUpgrade libreoffice-l10n-uzUpgrade libreoffice-l10n-ksUpgrade myspell-caUpgrade libreoffice-l10n-dzUpgrade myspell-fr_FRUpgrade libreoffice-l10n-zh_CNUpgrade libcdr-0_1-1Upgrade libreoffice-baseUpgrade libreoffice-l10n-thUpgrade libreoffice-l10n-esUpgrade libetonyek-develUpgrade librepositoryUpgrade libloaderUpgrade libreoffice-l10n-csUpgrade myspell-fr_CAUpgrade myspell-ar_QAUpgrade libreoffice-l10n-beUpgrade liblayoutUpgrade myspell-pt_AOUpgrade myspell-bsUpgrade libreoffice-l10n-paUpgrade libreoffice-l10n-etUpgrade libmspub-devel-docUpgrade libreoffice-l10n-idUpgrade libreoffice-icon-theme-tangoUpgrade libformulaUpgrade libreoffice-l10n-heUpgrade myspell-lt_LTUpgrade libreoffice-calc-extensionsUpgrade myspell-es_MXUpgrade liblangtag-develUpgrade libreoffice-l10n-srUpgrade myspell-ar_SYUpgrade libreoffice-l10n-kmUpgrade libreoffice-l10n-sa_inUpgrade libfontsUpgrade myspell-hu_HUUpgrade libreoffice-l10n-bgUpgrade libreoffice-l10n-skUpgrade libreoffice-l10n-ckbUpgrade myspell-be_BYUpgrade libreoffice-l10n-omUpgrade libreoffice-l10n-koUpgrade libixion-develUpgrade malaga-suomiUpgrade libreoffice-l10n-bnUpgrade libvoikko1Upgrade libreoffice-l10n-afUpgrade libreoffice-l10n-vecUpgrade libodfgen-devel-docUpgrade libreoffice-l10n-roUpgrade myspell-sv_FIUpgrade myspell-he_ILUpgrade myspell-bn_BDUpgrade libmspub-0_1-1Upgrade libreoffice-share-linkerUpgrade libreoffice-l10n-szl | Dec 18, 2015 | May 25, 2015 |
| Ubuntu | — | Upgrade libicu52 | Nov 8, 2024 | May 25, 2015 |
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