Synopsis

Low: gdb security, bug fix, and enhancement update

Type/Severity

Security Advisory: Low

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.

Description

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.

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 Enterprise Linux for x86_64 8 x86_64
• Red Hat Enterprise Linux for IBM z Systems 8 s390x
• Red Hat Enterprise Linux for Power, little endian 8 ppc64le
• Red Hat Enterprise Linux for ARM 64 8 aarch64

Fixes

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

CVEs

• CVE-2018-20657

References

• 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/

Red Hat Enterprise Linux for x86_64 8

SRPM
gdb-8.2-6.el8.src.rpm	SHA-256: 8bb8da983ca50647524c07610aa4cc15203e4b58b26a7835d17d6914d3fc4d72
x86_64
gdb-8.2-6.el8.x86_64.rpm	SHA-256: cc271f0521d186e638e70f934b03bed15dc616e6d966fadd5f06ba3fd8ddd8ba
gdb-debuginfo-8.2-6.el8.x86_64.rpm	SHA-256: c3984a96baa7bd5b5d73d61e76f0350dd360c3a0e9a6d768e998639ba87ddfb2
gdb-debugsource-8.2-6.el8.x86_64.rpm	SHA-256: 473e5956eedb9d155908de3abd1acc178c6732df638d62a50380fc5255381573
gdb-doc-8.2-6.el8.noarch.rpm	SHA-256: 708ff5d93bfe21cd7376001de50ee2d93b7617070dc8a22bfd824775d9a6200b
gdb-gdbserver-8.2-6.el8.x86_64.rpm	SHA-256: ada07668851f666ea473f0ac193720d705ff261e44f18cbbe380dea7e025a073
gdb-headless-8.2-6.el8.x86_64.rpm	SHA-256: c43dfc31fd45fad1066471177ea0b80d3531ef7447bf176f8808987afc91a1b3

Red Hat Enterprise Linux for IBM z Systems 8

SRPM
gdb-8.2-6.el8.src.rpm	SHA-256: 8bb8da983ca50647524c07610aa4cc15203e4b58b26a7835d17d6914d3fc4d72
s390x
gdb-8.2-6.el8.s390x.rpm	SHA-256: cfd83de80b9f1a8d6483a894b3dd9a7382b54d2068060c9a55061427d1363560
gdb-debuginfo-8.2-6.el8.s390x.rpm	SHA-256: 4ee4c63138f459728dde4c4f2de1972c340d7dd3dfe9fea25c935a7324f77214
gdb-debugsource-8.2-6.el8.s390x.rpm	SHA-256: 74b72690ef3488b46b3090cbf4959670acb367e2be794dedfa38a72e946ba9f2
gdb-doc-8.2-6.el8.noarch.rpm	SHA-256: 708ff5d93bfe21cd7376001de50ee2d93b7617070dc8a22bfd824775d9a6200b
gdb-gdbserver-8.2-6.el8.s390x.rpm	SHA-256: 472dc82f4f2e1b452366ceb561351291ac3117897ac844f6be3d07988bb03f71
gdb-headless-8.2-6.el8.s390x.rpm	SHA-256: 73900cac00aeccdfaf49099dfdffd2605235aca731406609c1a649e718c98707

Red Hat Enterprise Linux for Power, little endian 8

SRPM
gdb-8.2-6.el8.src.rpm	SHA-256: 8bb8da983ca50647524c07610aa4cc15203e4b58b26a7835d17d6914d3fc4d72
ppc64le
gdb-8.2-6.el8.ppc64le.rpm	SHA-256: ce417d3ec0537cbfc82ec5a3e7908d25c767fae9091b2194a5db773ec5fd30be
gdb-debuginfo-8.2-6.el8.ppc64le.rpm	SHA-256: be4fbfd4d6fb0dd63b9eaea247723cf2376171858acb64a5ebd6585b8d919cca
gdb-debugsource-8.2-6.el8.ppc64le.rpm	SHA-256: db49c95f9010d3b5f3ff712653ce409e6539aa74286b6b025daaead7c380de53
gdb-doc-8.2-6.el8.noarch.rpm	SHA-256: 708ff5d93bfe21cd7376001de50ee2d93b7617070dc8a22bfd824775d9a6200b
gdb-gdbserver-8.2-6.el8.ppc64le.rpm	SHA-256: 9b95e1fa516334ebaca7f84db28042710a2cc56cc747ef081cb584ee7fab4029
gdb-headless-8.2-6.el8.ppc64le.rpm	SHA-256: 918f1625ab25bf15475eb7fa3d638c7f3c0b8359fe09b3f20b1b82b07b6eab77

Red Hat Enterprise Linux for ARM 64 8

SRPM
gdb-8.2-6.el8.src.rpm	SHA-256: 8bb8da983ca50647524c07610aa4cc15203e4b58b26a7835d17d6914d3fc4d72
aarch64
gdb-8.2-6.el8.aarch64.rpm	SHA-256: 83805eb979e3ab95c1c63e937a247219af3202f36e5b6d730f3d3a57bdd3ca29
gdb-debuginfo-8.2-6.el8.aarch64.rpm	SHA-256: cc2d2c20f45ca0e423399ac7546afcf1a3496be8492a795ecbfb11ae7e862a50
gdb-debugsource-8.2-6.el8.aarch64.rpm	SHA-256: 2e590395429c634d04eba16fe3cbdacd841cb02989c3203cfa63f5e0db2ce899
gdb-doc-8.2-6.el8.noarch.rpm	SHA-256: 708ff5d93bfe21cd7376001de50ee2d93b7617070dc8a22bfd824775d9a6200b
gdb-gdbserver-8.2-6.el8.aarch64.rpm	SHA-256: 0065205e0fff631e2dfd65a71ad18c3fbd1d95e955ea0d55995a57bf5e45f627
gdb-headless-8.2-6.el8.aarch64.rpm	SHA-256: e6165a283c2eb3aa254f566a07f40c16577c8b1cc9ff22b33959e1e2fd207b1f