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Red Hat Enterprise Linux 8: RHSA-2019-3352-01 Low: GDB DoS Issue

red hat
Calendar Grey November 5, 2019
Dist Redhat Esm H88
Ubuntu Security Notice USN-2020-2584-01 delivers a minor update for glibc mitigating a memory corruption vulnerability.
An update for gdb is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Low

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

Summary

The GNU Debugger (GDB) allows users to debug programs written in various programming languages including C, C++, and Fortran.
Security Fix(es):
* libiberty: Memory leak in demangle_template function resulting in a denial of service (CVE-2018-20657)
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 8.1 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory denial of service bug fix Red Hat Enterprise Linux low severity gdb

References

https://access.redhat.com/security/cve/CVE-2018-20657 https://access.redhat.com/security/updates/classification/#low https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.1_release_notes/

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: gdb-8.2-6.el8.src.rpm
aarch64: gdb-8.2-6.el8.aarch64.rpm gdb-debuginfo-8.2-6.el8.aarch64.rpm gdb-debugsource-8.2-6.el8.aarch64.rpm gdb-gdbserver-8.2-6.el8.aarch64.rpm gdb-headless-8.2-6.el8.aarch64.rpm
noarch: gdb-doc-8.2-6.el8.noarch.rpm
ppc64le: gdb-8.2-6.el8.ppc64le.rpm gdb-debuginfo-8.2-6.el8.ppc64le.rpm gdb-debugsource-8.2-6.el8.ppc64le.rpm gdb-gdbserver-8.2-6.el8.ppc64le.rpm gdb-headless-8.2-6.el8.ppc64le.rpm
s390x: gdb-8.2-6.el8.s390x.rpm gdb-debuginfo-8.2-6.el8.s390x.rpm gdb-debugsource-8.2-6.el8.s390x.rpm gdb-gdbserver-8.2-6.el8.s390x.rpm gdb-headless-8.2-6.el8.s390x.rpm
x86_64: gdb-8.2-6.el8.x86_64.rpm gdb-debuginfo-8.2-6.el8.x86_64.rpm gdb-debugsource-8.2-6.el8.x86_64.rpm gdb-gdbserver-8.2-6.el8.x86_64.rpm gdb-headless-8.2-6.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/


Severity
low
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:3352-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:3352
Issue date: 2019-11-05

Topic

An update for gdb is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Low. 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.

Topics%20covered

Topics Covered

security advisory denial of service bug fix Red Hat Enterprise Linux low severity gdb

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

1664708 - CVE-2018-20657 libiberty: Memory leak in demangle_template function resulting in a denial of service

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