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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.3744 mingw-glib2 security, bug fix, and enhancement update 10 November 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: mingw-glib2 Publisher: Red Hat Operating System: Red Hat Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2021-27219 CVE-2021-27218 Reference: ESB-2021.3427 ESB-2021.3340 Original Bulletin: https://access.redhat.com/errata/RHSA-2021:4526 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: mingw-glib2 security, bug fix, and enhancement update Advisory ID: RHSA-2021:4526-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:4526 Issue date: 2021-11-09 CVE Names: CVE-2021-27218 CVE-2021-27219 ===================================================================== 1. Summary: An update for mingw-glib2 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux CRB (v. 8) - noarch 3. Description: GLib provides the core application building blocks for libraries and applications written in C. It provides the core object system used in GNOME, the main loop implementation, and a large set of utility functions for strings and common data structures. The following packages have been upgraded to a later upstream version: mingw-glib2 (2.66.7). (BZ#1935248, BZ#1939111) Security Fix(es): * glib: integer overflow in g_bytes_new function on 64-bit platforms due to an implicit cast from 64 bits to 32 bits (CVE-2021-27219) * glib: integer overflow in g_byte_array_new_take function when called with a buffer of 4GB or more on a 64-bit platform (CVE-2021-27218) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes linked from the References section. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 1929847 - CVE-2021-27218 glib: integer overflow in g_byte_array_new_take function when called with a buffer of 4GB or more on a 64-bit platform 1929858 - CVE-2021-27219 glib: integer overflow in g_bytes_new function on 64-bit platforms due to an implicit cast from 64 bits to 32 bits 6. Package List: Red Hat Enterprise Linux CRB (v. 8): Source: mingw-glib2-2.66.7-2.el8.src.rpm noarch: mingw32-glib2-2.66.7-2.el8.noarch.rpm mingw32-glib2-debuginfo-2.66.7-2.el8.noarch.rpm mingw32-glib2-static-2.66.7-2.el8.noarch.rpm mingw64-glib2-2.66.7-2.el8.noarch.rpm mingw64-glib2-debuginfo-2.66.7-2.el8.noarch.rpm mingw64-glib2-static-2.66.7-2.el8.noarch.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2021-27218 https://access.redhat.com/security/cve/CVE-2021-27219 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.5_release_notes/ 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYYreKNzjgjWX9erEAQjtbA/+MSTzGzpif5jw9MPfuXgPYu9OkPuoZvQ+ tEPX49e/ybpgL1xPUBZEOYN/mU3107r3+VHEmzypWzXNZfNGS56ANoeG41LSAm3G womUpjMTLlpUAF9kuywRy1PTzsYLZiH6uB5h2fuoCXUwp2lSjWvDNbai9A/d+fKR 3lvrJzIgjceTRuFPR8kiNsB/GuJ7h3I/8emwqZ/t0dNg9gu+AmdIUoqMd6u+tqjJ Bt3HNdtfRz3FczFpqIkO9zvom/pR2rZLTcoKbgRFP0OT1tUHfw/R6O9OX4QOm654 P0tBIW5XSiEFgtY5x5Arj/5yYdklXXuLqRJPPd7/jvh5jdEU0ujH5ci9pfPGBznZ +GxVMhZeKFrgWtkqpQ6Qj3P9QL5Djm8u7jRk/gV1qwpVurdy/OPylIb1Hoh5S2CF MzwUY8D0RISgnWkjWYdmytiesIU3OAKK0A+EieDBA2xpUdbnflFC+gWsxezKWXJl 2cs4oPkr6ULsyuQ09czUnHQw7LT0QsD03ZKeogJHkZD56nWvplRYLjJocf+bEOdA 440ZV912CWsrCqSc+gr/shQO6qdfflxlWXCDDSDn4WlGSD0psAb5X8m8KqkxPLVA N3u6i5UycIwaaGq7kDD69uW+KVvO6brAZNrM2aa7WmtfOZjBdynPsmMDBzxyfePO iwkYw32bDqA= =s5Xz - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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