Skip to navigation Skip to main content

Utilities

  • Subscriptions
  • Downloads
  • Red Hat Console
  • Get Support
Red Hat Customer Portal
  • Subscriptions
  • Downloads
  • Red Hat Console
  • Get Support
  • Products

    Top Products

    • Red Hat Enterprise Linux
    • Red Hat OpenShift
    • Red Hat Ansible Automation Platform
    All Products

    Downloads and Containers

    • Downloads
    • Packages
    • Containers

    Top Resources

    • Documentation
    • Product Life Cycles
    • Product Compliance
    • Errata
  • Knowledge

    Red Hat Knowledge Center

    • Knowledgebase Solutions
    • Knowledgebase Articles
    • Customer Portal Labs
    • Errata

    Top Product Docs

    • Red Hat Enterprise Linux
    • Red Hat OpenShift
    • Red Hat Ansible Automation Platform
    All Product Docs

    Training and Certification

    • About
    • Course Index
    • Certification Index
    • Skill Assessment
  • Security

    Red Hat Product Security Center

    • Security Updates
    • Security Advisories
    • Red Hat CVE Database
    • Errata

    References

    • Security Bulletins
    • Security Measurement
    • Severity Ratings
    • Security Data

    Top Resources

    • Security Labs
    • Backporting Policies
    • Security Blog
  • Support

    Red Hat Support

    • Support Cases
    • Troubleshoot
    • Get Support
    • Contact Red Hat Support

    Red Hat Community Support

    • Customer Portal Community
    • Community Discussions
    • Red Hat Accelerator Program

    Top Resources

    • Product Life Cycles
    • Customer Portal Labs
    • Red Hat JBoss Supported Configurations
    • Red Hat Insights
Or troubleshoot an issue.

Select Your Language

  • English
  • Français
  • 한국어
  • 日本語
  • 中文 (中国)

Infrastructure and Management

  • Red Hat Enterprise Linux
  • Red Hat Satellite
  • Red Hat Subscription Management
  • Red Hat Insights
  • Red Hat Ansible Automation Platform

Cloud Computing

  • Red Hat OpenShift
  • Red Hat OpenStack Platform
  • Red Hat OpenShift
  • Red Hat OpenShift AI
  • Red Hat OpenShift Dedicated
  • Red Hat Advanced Cluster Security for Kubernetes
  • Red Hat Advanced Cluster Management for Kubernetes
  • Red Hat Quay
  • Red Hat OpenShift Dev Spaces
  • Red Hat OpenShift Service on AWS

Storage

  • Red Hat Gluster Storage
  • Red Hat Hyperconverged Infrastructure
  • Red Hat Ceph Storage
  • Red Hat OpenShift Data Foundation

Runtimes

  • Red Hat Runtimes
  • Red Hat JBoss Enterprise Application Platform
  • Red Hat Data Grid
  • Red Hat JBoss Web Server
  • Red Hat build of Keycloak
  • Red Hat support for Spring Boot
  • Red Hat build of Node.js
  • Red Hat build of Quarkus

Integration and Automation

  • Red Hat Application Foundations
  • Red Hat Fuse
  • Red Hat AMQ
  • Red Hat 3scale API Management
All Products
Red Hat Product Errata RHSA-2021:4729 - Security Advisory
Issued:
2021-11-18
Updated:
2021-11-18

RHSA-2021:4729 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Moderate: devtoolset-11-annobin security update

Type/Severity

Security Advisory: Moderate

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for devtoolset-11-annobin is now available for Red Hat Software Collections.

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.

Description

Annobin provides a compiler plugin to annotate and tools to examine compiled binary files.

Security Fix(es):

  • Developer environment: Unicode's bidirectional (BiDi) override characters can cause trojan source attacks (CVE-2021-42574)

The following changes were introduced in annobin in order to facilitate detection of BiDi Unicode characters:

This update of annobin adds a new annocheck test to detect the presence of multibyte characters in symbol names.

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.

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

Affected Products

  • Red Hat Software Collections (for RHEL Server) 1 for RHEL 7.7 x86_64
  • Red Hat Software Collections (for RHEL Server for System Z) 1 for RHEL 7.7 s390x
  • Red Hat Software Collections (for RHEL Server for IBM Power LE) 1 for RHEL 7.7 ppc64le
  • Red Hat Software Collections (for RHEL Server for IBM Power) 1 for RHEL 7.7 ppc64
  • Red Hat Software Collections (for RHEL Server) 1 for RHEL 7 x86_64
  • Red Hat Software Collections (for RHEL Server for System Z) 1 for RHEL 7 s390x
  • Red Hat Software Collections (for RHEL Server for IBM Power LE) 1 for RHEL 7 ppc64le
  • Red Hat Software Collections (for RHEL Server for IBM Power) 1 for RHEL 7 ppc64
  • Red Hat Software Collections (for RHEL Workstation) 1 for RHEL 7 x86_64

Fixes

  • BZ - 2005819 - CVE-2021-42574 Developer environment: Unicode's bidirectional (BiDi) override characters can cause trojan source attacks

CVEs

  • CVE-2021-42574

References

  • https://access.redhat.com/security/updates/classification/#moderate
  • https://access.redhat.com/security/vulnerabilities/RHSB-2021-007
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Software Collections (for RHEL Server) 1 for RHEL 7.7

SRPM
devtoolset-11-annobin-9.82-1.el7.1.src.rpm SHA-256: 39e219dd59c00753a30bd99f33b253061c12714b412f94c11d0ddf64f8c722de
x86_64
devtoolset-11-annobin-annocheck-9.82-1.el7.1.x86_64.rpm SHA-256: c20cfdc79aa45b1b5f76f02fca3b82f1ccc5eb9dedc92f222aec5bb08ca9d4de
devtoolset-11-annobin-debuginfo-9.82-1.el7.1.x86_64.rpm SHA-256: 657a20aae956f2157cbda5425dfb945bb51da6b91eeca5b68c783e105e1a5473
devtoolset-11-annobin-docs-9.82-1.el7.1.noarch.rpm SHA-256: 38c5c5c1f86d038c11dbb04794dd4bd6ed224b734da68ca60e08a30a3fe0935b
devtoolset-11-annobin-plugin-gcc-9.82-1.el7.1.x86_64.rpm SHA-256: 424abcebc634e176eacbaf2be73015db4e542bdec504b48c45532902ecb0b4db

Red Hat Software Collections (for RHEL Server for System Z) 1 for RHEL 7.7

SRPM
devtoolset-11-annobin-9.82-1.el7.1.src.rpm SHA-256: 39e219dd59c00753a30bd99f33b253061c12714b412f94c11d0ddf64f8c722de
s390x
devtoolset-11-annobin-annocheck-9.82-1.el7.1.s390x.rpm SHA-256: 5a51c5f237af2abd87610a70e73bd6a979a44cce3da2eec3db6749e23c2018a2
devtoolset-11-annobin-debuginfo-9.82-1.el7.1.s390x.rpm SHA-256: e542b143716eaf60a8028ae291ace059d11b4c4e2b1338536352ca21f715fef9
devtoolset-11-annobin-docs-9.82-1.el7.1.noarch.rpm SHA-256: 38c5c5c1f86d038c11dbb04794dd4bd6ed224b734da68ca60e08a30a3fe0935b
devtoolset-11-annobin-plugin-gcc-9.82-1.el7.1.s390x.rpm SHA-256: c52c9978cfa78b9ecab305239324412fa5e9131e3c6f37f8bb4e7e2bbc910029

Red Hat Software Collections (for RHEL Server for IBM Power LE) 1 for RHEL 7.7

SRPM
devtoolset-11-annobin-9.82-1.el7.1.src.rpm SHA-256: 39e219dd59c00753a30bd99f33b253061c12714b412f94c11d0ddf64f8c722de
ppc64le
devtoolset-11-annobin-annocheck-9.82-1.el7.1.ppc64le.rpm SHA-256: c5e99e26c910319846cb0f3e774df1f158e6c3a5ed6be49bf73e1684a3bc4728
devtoolset-11-annobin-debuginfo-9.82-1.el7.1.ppc64le.rpm SHA-256: 7a971763dabe456c63fa3eb91cf790d61b88693de8d5da1145669fdc7060c629
devtoolset-11-annobin-docs-9.82-1.el7.1.noarch.rpm SHA-256: 38c5c5c1f86d038c11dbb04794dd4bd6ed224b734da68ca60e08a30a3fe0935b
devtoolset-11-annobin-plugin-gcc-9.82-1.el7.1.ppc64le.rpm SHA-256: 17297562ea1d4d57c677243415959a15a61da87e117e23e5be1c4997aed8a308

Red Hat Software Collections (for RHEL Server for IBM Power) 1 for RHEL 7.7

SRPM
devtoolset-11-annobin-9.82-1.el7.1.src.rpm SHA-256: 39e219dd59c00753a30bd99f33b253061c12714b412f94c11d0ddf64f8c722de
ppc64
devtoolset-11-annobin-annocheck-9.82-1.el7.1.ppc64.rpm SHA-256: 986b82bf69c7f644f51b18f467d2e1389ed13cf3372c2bfcf0bd47660d6d6a09
devtoolset-11-annobin-debuginfo-9.82-1.el7.1.ppc64.rpm SHA-256: f493e8a5df7bde5acabc65bec6d969c1cca41fe62965ad85fee88dc011f209d2
devtoolset-11-annobin-docs-9.82-1.el7.1.noarch.rpm SHA-256: 38c5c5c1f86d038c11dbb04794dd4bd6ed224b734da68ca60e08a30a3fe0935b
devtoolset-11-annobin-plugin-gcc-9.82-1.el7.1.ppc64.rpm SHA-256: 2f267989761df912ceb4be575621e45e19bd495dbd983992536ea7ba996bd71e

Red Hat Software Collections (for RHEL Server) 1 for RHEL 7

SRPM
devtoolset-11-annobin-9.82-1.el7.1.src.rpm SHA-256: 39e219dd59c00753a30bd99f33b253061c12714b412f94c11d0ddf64f8c722de
x86_64
devtoolset-11-annobin-annocheck-9.82-1.el7.1.x86_64.rpm SHA-256: c20cfdc79aa45b1b5f76f02fca3b82f1ccc5eb9dedc92f222aec5bb08ca9d4de
devtoolset-11-annobin-debuginfo-9.82-1.el7.1.x86_64.rpm SHA-256: 657a20aae956f2157cbda5425dfb945bb51da6b91eeca5b68c783e105e1a5473
devtoolset-11-annobin-docs-9.82-1.el7.1.noarch.rpm SHA-256: 38c5c5c1f86d038c11dbb04794dd4bd6ed224b734da68ca60e08a30a3fe0935b
devtoolset-11-annobin-plugin-gcc-9.82-1.el7.1.x86_64.rpm SHA-256: 424abcebc634e176eacbaf2be73015db4e542bdec504b48c45532902ecb0b4db

Red Hat Software Collections (for RHEL Server for System Z) 1 for RHEL 7

SRPM
devtoolset-11-annobin-9.82-1.el7.1.src.rpm SHA-256: 39e219dd59c00753a30bd99f33b253061c12714b412f94c11d0ddf64f8c722de
s390x
devtoolset-11-annobin-annocheck-9.82-1.el7.1.s390x.rpm SHA-256: 5a51c5f237af2abd87610a70e73bd6a979a44cce3da2eec3db6749e23c2018a2
devtoolset-11-annobin-debuginfo-9.82-1.el7.1.s390x.rpm SHA-256: e542b143716eaf60a8028ae291ace059d11b4c4e2b1338536352ca21f715fef9
devtoolset-11-annobin-docs-9.82-1.el7.1.noarch.rpm SHA-256: 38c5c5c1f86d038c11dbb04794dd4bd6ed224b734da68ca60e08a30a3fe0935b
devtoolset-11-annobin-plugin-gcc-9.82-1.el7.1.s390x.rpm SHA-256: c52c9978cfa78b9ecab305239324412fa5e9131e3c6f37f8bb4e7e2bbc910029

Red Hat Software Collections (for RHEL Server for IBM Power LE) 1 for RHEL 7

SRPM
devtoolset-11-annobin-9.82-1.el7.1.src.rpm SHA-256: 39e219dd59c00753a30bd99f33b253061c12714b412f94c11d0ddf64f8c722de
ppc64le
devtoolset-11-annobin-annocheck-9.82-1.el7.1.ppc64le.rpm SHA-256: c5e99e26c910319846cb0f3e774df1f158e6c3a5ed6be49bf73e1684a3bc4728
devtoolset-11-annobin-debuginfo-9.82-1.el7.1.ppc64le.rpm SHA-256: 7a971763dabe456c63fa3eb91cf790d61b88693de8d5da1145669fdc7060c629
devtoolset-11-annobin-docs-9.82-1.el7.1.noarch.rpm SHA-256: 38c5c5c1f86d038c11dbb04794dd4bd6ed224b734da68ca60e08a30a3fe0935b
devtoolset-11-annobin-plugin-gcc-9.82-1.el7.1.ppc64le.rpm SHA-256: 17297562ea1d4d57c677243415959a15a61da87e117e23e5be1c4997aed8a308

Red Hat Software Collections (for RHEL Server for IBM Power) 1 for RHEL 7

SRPM
devtoolset-11-annobin-9.82-1.el7.1.src.rpm SHA-256: 39e219dd59c00753a30bd99f33b253061c12714b412f94c11d0ddf64f8c722de
ppc64
devtoolset-11-annobin-annocheck-9.82-1.el7.1.ppc64.rpm SHA-256: 986b82bf69c7f644f51b18f467d2e1389ed13cf3372c2bfcf0bd47660d6d6a09
devtoolset-11-annobin-debuginfo-9.82-1.el7.1.ppc64.rpm SHA-256: f493e8a5df7bde5acabc65bec6d969c1cca41fe62965ad85fee88dc011f209d2
devtoolset-11-annobin-docs-9.82-1.el7.1.noarch.rpm SHA-256: 38c5c5c1f86d038c11dbb04794dd4bd6ed224b734da68ca60e08a30a3fe0935b
devtoolset-11-annobin-plugin-gcc-9.82-1.el7.1.ppc64.rpm SHA-256: 2f267989761df912ceb4be575621e45e19bd495dbd983992536ea7ba996bd71e

Red Hat Software Collections (for RHEL Workstation) 1 for RHEL 7

SRPM
devtoolset-11-annobin-9.82-1.el7.1.src.rpm SHA-256: 39e219dd59c00753a30bd99f33b253061c12714b412f94c11d0ddf64f8c722de
x86_64
devtoolset-11-annobin-annocheck-9.82-1.el7.1.x86_64.rpm SHA-256: c20cfdc79aa45b1b5f76f02fca3b82f1ccc5eb9dedc92f222aec5bb08ca9d4de
devtoolset-11-annobin-debuginfo-9.82-1.el7.1.x86_64.rpm SHA-256: 657a20aae956f2157cbda5425dfb945bb51da6b91eeca5b68c783e105e1a5473
devtoolset-11-annobin-docs-9.82-1.el7.1.noarch.rpm SHA-256: 38c5c5c1f86d038c11dbb04794dd4bd6ed224b734da68ca60e08a30a3fe0935b
devtoolset-11-annobin-plugin-gcc-9.82-1.el7.1.x86_64.rpm SHA-256: 424abcebc634e176eacbaf2be73015db4e542bdec504b48c45532902ecb0b4db

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

Red Hat LinkedIn YouTube Facebook X, formerly Twitter

Quick Links

  • Downloads
  • Subscriptions
  • Support Cases
  • Customer Service
  • Product Documentation

Help

  • Contact Us
  • Customer Portal FAQ
  • Log-in Assistance

Site Info

  • Trust Red Hat
  • Browser Support Policy
  • Accessibility
  • Awards and Recognition
  • Colophon

Related Sites

  • redhat.com
  • developers.redhat.com
  • connect.redhat.com
  • cloud.redhat.com

Red Hat legal and privacy links

  • About Red Hat
  • Jobs
  • Events
  • Locations
  • Contact Red Hat
  • Red Hat Blog
  • Inclusion at Red Hat
  • Cool Stuff Store
  • Red Hat Summit
© 2025 Red Hat, Inc.

Red Hat legal and privacy links

  • Privacy statement
  • Terms of use
  • All policies and guidelines
  • Digital accessibility