-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: zsh security update Advisory ID: RHSA-2022:2120-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2022:2120 Issue date: 2022-05-10 CVE Names: CVE-2021-45444 ===================================================================== 1. Summary: An update for zsh is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. 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 AppStream (v. 8) - noarch Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64 3. Description: The zsh shell is a command interpreter usable as an interactive login shell and as a shell script command processor. Zsh resembles the ksh shell (the Korn shell), but includes many enhancements. Zsh supports command-line editing, built-in spelling correction, programmable command completion, shell functions (with autoloading), a history mechanism, and more. Security Fix(es): * zsh: Prompt expansion vulnerability (CVE-2021-45444) 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 8.6 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/): 2054089 - CVE-2021-45444 zsh: Prompt expansion vulnerability 6. Package List: Red Hat Enterprise Linux AppStream (v. 8): noarch: zsh-html-5.5.1-9.el8.noarch.rpm Red Hat Enterprise Linux BaseOS (v. 8): Source: zsh-5.5.1-9.el8.src.rpm aarch64: zsh-5.5.1-9.el8.aarch64.rpm zsh-debuginfo-5.5.1-9.el8.aarch64.rpm zsh-debugsource-5.5.1-9.el8.aarch64.rpm ppc64le: zsh-5.5.1-9.el8.ppc64le.rpm zsh-debuginfo-5.5.1-9.el8.ppc64le.rpm zsh-debugsource-5.5.1-9.el8.ppc64le.rpm s390x: zsh-5.5.1-9.el8.s390x.rpm zsh-debuginfo-5.5.1-9.el8.s390x.rpm zsh-debugsource-5.5.1-9.el8.s390x.rpm x86_64: zsh-5.5.1-9.el8.x86_64.rpm zsh-debuginfo-5.5.1-9.el8.x86_64.rpm zsh-debugsource-5.5.1-9.el8.x86_64.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-2021-45444 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.6_release_notes/ 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2022 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYnqRzNzjgjWX9erEAQhblA//Xatuceb2EDicQEAUNm2zTr1AhDt+k/jd CX84OMBpjE+xSlPHj6XAqrSNbF4kDJM3a/D2+oOTbfl4d+eVcnLkwMSMUG8pQIYJ R9wzzsrmLF1V1syZ+lDQ80nV1nuUu1sZpyA6kAiuL6yyHFnUBekVcjjhkPI9BIcv 81Wq6S3xHlXG5C0vuDmA/WA1cs5arwEH5hpovCO1CXZKPO6RQgGa7sutRu1NpaDI v0fp+zT2FYJKG/0KSK4Ao8rcTTP6MAlTuC+bKB1xnNZisMLjKc/4F+LQ5aAxeRs8 jA8fq0UUAE/YwyRjT8JOY/qdktYBY7OtU75XfNKpT3hMNZc8ahPKi4duPV4ZvKVX sp1EDMPtxtN2X6x1I2LRmRk8k71mmJndI2v+XYs9zhpAHCXoG7+6G7a3j+kJIjYT Y1SxfOPweeHW7hi5sXYlITNFT4zKC6uGvy434P+rTQo51RSXKCnc5jECX9r99q+N rWPXMK8F7nrSieOcbittPJ2XKlf/N1tm17K9B5DpwJj1qARq0vU3arbpFzdGT/MA Qf0yvfJedQ0+jEWxW/wG+ubd6a0yPwIa4A7UdNCPr95Gku30hyFjP1B2FGPt/MLr qP/5UERQHrBJn38lshyXkcNE9w0LgyeEraAb5H3l9eHgQy6SvdEkd0eoMvIeu6gT u94hWK/E0lo= =grvx -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce