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[ALSA-2026:50827] Important: ruby:4.0 security, bug fix, and enhancement update

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. Security Fix(es): * zlib: zlib: Memory corruption via buffer overflow in Zlib::GzipReader (CVE-2026-27820) * net-imap: Net::IMAP: Arbitrary IMAP command inj…

High
AlmaLinux 9

Affected Versions

4.0

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks.

Security Fix(es):

* zlib: zlib: Memory corruption via buffer overflow in Zlib::GzipReader (CVE-2026-27820)
* net-imap: Net::IMAP: Arbitrary IMAP command inj…

aarch64 rubygem-rbs-3.10.0-34.module_el9.8.0+289+5a070f48.aarch64.rpm 0b8b4fa460a25b146047406e7224e98d04489d844ea3202c65509575b2d92ed5 aarch64 ruby-libs-4.0.6-34.module_el9.8.0+289+5a070f48.aarch64.rpm 0cd44f296b701890a648625f5576559925033a08662e0bc288594384e49ab385 aarch64 rubygem-psych-5.3.1-34.module_el9.8.0+289+5a070f48.aarch64.rpm 231460f8db04903760cb2e15439fd70930adbcc009ace25b6d83f4be9bdc820e aarch64 ruby-devel-4.0.6-34.module_el9.8.0+289+5a070f48.aarch64.rpm 28f0141b435176264542de232bb61996d13855e1781caa084da0dc08e37dc215 aarch64 rubygem-json-2.18.0-34.module_el9.8.0+289+5a070f48.aarch64.rpm 5f644c552651a53e77a90b23e3b040b4310bec2ebff882b9c6e238ec108a4b9c aarch64 ruby-4.0.6-34.module_el9.8.0+289+5a070f48.aarch64.rpm 638aa83ae07e873832e32e78a55df62486df97e57d16cb3ce0eb782daae5c425 aarch64 rubygem-mysql2-0.5.7-1.module_el9.8.0+232+50f6dd36.aarch64.rpm 6f8de832b364a5b63b09be48e0410dc5f130d9e2c537a23de8b3855643431d0c aarch64 rubygem-racc-1.8.1-34.module_el9.8.0+289+5a070f48.aarch64.rpm a23f60e4734ccee4a22e50622a4a9988c941dd3b24d1e7b0edb791608094a066 aarch64 ruby-bundled-gems-4.0.6-34.module_el9.8.0+289+5a070f48.aarch64.rpm bdaf75b78313661669d2ef02ef6a06d0b0091f727a887fc6ae4efc6fe96120ca aarch64 rubygem-bigdecimal-4.0.1-34.module_el9.8.0+289+5a070f48.aarch64.rpm d7cc8a7499f99c664af7c850bd25274444a100a2c809d8fdab195ef41e84b2c0 aarch64 rubygem-io-console-0.8.2-34.module_el9.8.0+289+5a070f48.aarch64.rpm df4ae6f3b48cfab8ece2478d8bdda325d4d408f3526f1dfeb4aed48c754c256d aarch64 rubygem-pg-1.6.3-1.module_el9.8.0+232+50f6dd36.aarch64.rpm f5d039b2b6a4efbe9c980d8e2e1bea3ffbc263b8f7021ac3f35c603776fb979c i686 ruby-bundled-gems-4.0.6-34.module_el9.8.0+289+5a070f48.i686.rpm 0cc7cf777abe79b0dcce4bf43030f18d48b6f9573ad8f00a0f15ba748314d826 i686 ruby-4.0.6-34.module_el9.8.0+289+5a070f48.i686.rpm 1689e660a0e04524f113828846aef172b99fee2653f324c11afad2cba6f8fdf2 i686 ruby-libs-4.0.6-34.module_el9.8.0+289+5a070f48.i686.rpm 1f89748fb4527d03b29ae3bec0a415ecfa0f12901b0c5f83a57c929f02df0cb5 i686 rubygem-racc-1.8.1-34.module_el9.8.0+289+5a070f48.i686.rpm 4e9886e3bd9adcff306fe4c6145f38e9ad083f5fa7097dbdd41b1fbeb3458267 i686 ruby-devel-4.0.6-34.module_el9.8.0+289+5a070f48.i686.rpm 7f03d4d2a8ee0ff45462308726118bb806cb4b3c1fea8e2c1ac374245f0c625f i686 rubygem-rbs-3.10.0-34.module_el9.8.0+289+5a070f48.i686.rpm c82b499eb6c34850aa8cf1fb1a9aad57d8c76ba210012c8c172da81a5d7e5caa i686 rubygem-psych-5.3.1-34.module_el9.8.0+289+5a070f48.i686.rpm d4e582639d3a4af2ef34bc65424f881a6000c78955a30095eff884889fdead2a i686 rubygem-io-console-0.8.2-34.module_el9.8.0+289+5a070f48.i686.rpm d929156c351a6c6c2be076817c51896ae3a47cc20aff94b842414abb3b3eedf1 i686 rubygem-json-2.18.0-34.module_el9.8.0+289+5a070f48.i686.rpm e1d5ad26c355cca1461fd62c5b0592fa91b258a78e6c09b16237b8c974af5812 i686 rubygem-bigdecimal-4.0.1-34.module_el9.8.0+289+5a070f48.i686.rpm e9ac987c4a8c35f1566f545dc1d47723a5f2196935ec09ae3c6e8ad010da2904 noarch rubygem-pg-doc-1.6.3-1.module_el9.8.0+232+50f6dd36.noarch.rpm 012587b1454988d3ae9e2df6f066e9a9582859f741daa26cc97f6ce56f7cc40d noarch rubygem-rdoc-7.0.4-34.module_el9.8.0+289+5a070f48.noarch.rpm 2b33fa77783cc93de8c0883faa6892329f442300d0cbf5e82a6125b00b71fca4 noarch rubygem-rexml-3.4.4-34.module_el9.8.0+289+5a070f48.noarch.rpm 4edee87df2da657900eb98f07642c3d83a1037438ed3582662ca71dc5c3b568f noarch rubygems-devel-4.0.16-34.module_el9.8.0+289+5a070f48.noarch.rpm 5ff0a58b9db973f8f827485142a5c70c50eaf99fbcb947c16c74638d7a2a9b29 noarch ruby-default-gems-4.0.6-34.module_el9.8.0+289+5a070f48.noarch.rpm 6474d9bf6e42880f15ad8265fb7fae51ff54f75a245dcf6d39eb4632f7f81838 noarch ruby-doc-4.0.6-34.module_el9.8.0+289+5a070f48.noarch.rpm 7383a71f0ebaddfc76ab3a8b8751b28d27f749dd3c97ed8a0f8382edd75adb4d noarch rubygem-irb-1.16.0-34.module_el9.8.0+289+5a070f48.noarch.rpm 8d1764e23f29a1b6728b3e33ab74c0d1ba702c7be0d9fa862621aa3cb76d4d51 noarch rubygem-mysql2-doc-0.5.7-1.module_el9.8.0+232+50f6dd36.noarch.rpm 97e11c128bce3071fdab6ecdaf0cc24053f436b72c10921807cbd89f4b2ff2d2 noarch rubygem-test-unit-3.7.5-34.module_el9.8.0+289+5a070f48.noarch.rpm 98dfab43af99dcb55d9ad636a9e00e9f441f54b539261d335f77a250c3b87944 noarch rubygem-rss-0.3.2-34.module_el9.8.0+289+5a070f48.noarch.rpm 9d8f32cc4b8324acfc9b91a11957b4315f2194772e4af2c1ac254d3f1e96e131 noarch rubygem-rake-13.3.1-34.module_el9.8.0+289+5a070f48.noarch.rpm a0e07a6db4215d2166f1a1cf135e0ed46b6acf714d5d940a78e75de5f0311ceb noarch rubygem-bundler-4.0.16-34.module_el9.8.0+289+5a070f48.noarch.rpm b37144bcb7e8ef9ab689609c444876b235350c49b15794514f2505690c5ab572 noarch rubygem-power_assert-3.0.1-34.module_el9.8.0+289+5a070f48.noarch.rpm b44d02d06a9abfc05496a212f9445555603fb80658dc9fcae5578d9f84ce27b5 noarch rubygems-4.0.16-34.module_el9.8.0+289+5a070f48.noarch.rpm c0ab99a9946b709580b35c70248b9e15c7e5f1c9a8dc0f4cd163296f45a9b4b5 noarch rubygem-typeprof-0.31.1-34.module_el9.8.0+289+5a070f48.noarch.rpm d6aa930ee8efdbad15e5c5e89ef82a900530f8669c79bf2d4de1ea56ed703041 noarch rubygem-minitest-6.0.0-34.module_el9.8.0+289+5a070f48.noarch.rpm f92af6d127f8ccb7327da1285fe8625679ce8a870dccb7f9a67d298b37b20d26 ppc64le rubygem-io-console-0.8.2-34.module_el9.8.0+289+5a070f48.ppc64le.rpm 02969203d8ba4d0e904ad3b4e034b9d6eca7a577e91ffefb0aa4c4636e005f57 ppc64le rubygem-pg-1.6.3-1.module_el9.8.0+232+50f6dd36.ppc64le.rpm 0d9c6f56ef9793558d63333c75d84e0bee4fa674b4a90e3305b7b66ead6e6c16 ppc64le rubygem-json-2.18.0-34.module_el9.8.0+289+5a070f48.ppc64le.rpm 3cb875bc12e2520ddc332bbae69886b6dbbf59a1c4a1b61275eec7d653f7c3ef ppc64le ruby-4.0.6-34.module_el9.8.0+289+5a070f48.ppc64le.rpm 4f6c00b5fedb89ee8947f72eba45aab1a8630c4390aac85667feab48f143d1ac ppc64le ruby-bundled-gems-4.0.6-34.module_el9.8.0+289+5a070f48.ppc64le.rpm 7ce4a71936a811e3da5bf0da3f7757b83c04be9dce965ec6362860ed0b183d11 ppc64le rubygem-mysql2-0.5.7-1.module_el9.8.0+232+50f6dd36.ppc64le.rpm 886f13629742057525f6ea8e83363c449aad84d1cf44caff54bd66dd10141b14 ppc64le rubygem-rbs-3.10.0-34.module_el9.8.0+289+5a070f48.ppc64le.rpm a6817d4a953eea57f5f6d7f8755d458e1a717617884a2d0c2697364d60bd1a88 ppc64le ruby-devel-4.0.6-34.module_el9.8.0+289+5a070f48.ppc64le.rpm c6710cadb39497edd0736339b1351b4a9472f6e66042c86ebc4458913bebf468 ppc64le rubygem-racc-1.8.1-34.module_el9.8.0+289+5a070f48.ppc64le.rpm e017c4c675000e03bf7ee4122b24496f5b925d2ec8af954da0593c45884bbd10 ppc64le ruby-libs-4.0.6-34.module_el9.8.0+289+5a070f48.ppc64le.rpm eea4e25a879abe472657f69465f76e29c5fe033b641a72627f4e70db4d8f1292 ppc64le rubygem-psych-5.3.1-34.module_el9.8.0+289+5a070f48.ppc64le.rpm f16ee2b0787ef7f27e19fcaa6e7180b2da690043ced6b96d6aab45badb54e6a4 ppc64le rubygem-bigdecimal-4.0.1-34.module_el9.8.0+289+5a070f48.ppc64le.rpm fb9de35b6663b89760c7cc6defe01405cc5562256dd61dce2e0abdffdebbc709 s390x rubygem-json-2.18.0-34.module_el9.8.0+289+5a070f48.s390x.rpm 3ebd7b9fb6a0d6636cd26abbd9c425df6e0ea68be00cf35375f2faa378d343e1 s390x ruby-libs-4.0.6-34.module_el9.8.0+289+5a070f48.s390x.rpm 46944051e319cd954e36dee8e059f8d2ce3c7cc2d4c1f4801fa68793a2be2310 s390x rubygem-pg-1.6.3-1.module_el9.8.0+232+50f6dd36.s390x.rpm 5a3274b260c9f148a2d53963874a7074a6eb753d8de5561715f81aa190b751ae s390x ruby-4.0.6-34.module_el9.8.0+289+5a070f48.s390x.rpm 5d6a05148f22e2208fb85f4f5eb123d8ed6fa889363b203bb1f9c1e73fa4050f s390x rubygem-mysql2-0.5.7-1.module_el9.8.0+232+50f6dd36.s390x.rpm 700ff63225b94b696ac533940dc41391e7462b01042b665bb6817ae92d805d39 s390x ruby-bundled-gems-4.0.6-34.module_el9.8.0+289+5a070f48.s390x.rpm 76522c635fff64c477b8c76e2884394315e09dab0e7ae44f9078f803e4e27d23 s390x ruby-devel-4.0.6-34.module_el9.8.0+289+5a070f48.s390x.rpm 81cdaf405e2e29ccc9b4b71606e3e5ba47db76193156f3c94d384c46ffbe21ef s390x rubygem-racc-1.8.1-34.module_el9.8.0+289+5a070f48.s390x.rpm 87c3171e85f7dd4d58425f9802ce3ddd925175de1476436cb627ac9fc2f3aa6e s390x rubygem-io-console-0.8.2-34.module_el9.8.0+289+5a070f48.s390x.rpm ae18c7978969232238d61ee53febc49fb5a2e927cc07c2a02eb2e960723f3c84

How to Apply the Fix

Update the affected packages on your server to the patched release, then restart the relevant services.

sudo dnf update

Check your system for vulnerabilities

Size uygun tam düzeltme komutlarını görmek için ürününüzü ve işletim sisteminizi seçin.

Check Your System