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Red Hat Product Errata RHSA-2021:3296 - Security Advisory
Issued:
2021-08-30
Updated:
2021-08-30

RHSA-2021:3296 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: libX11 security update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for libX11 is now available for Red Hat Enterprise Linux 7.

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.

Description

The libX11 packages contain the core X11 protocol client library.

Security Fix(es):

  • libX11: missing request length checks (CVE-2021-31535)

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 Enterprise Linux Server 7 x86_64
  • Red Hat Enterprise Linux Workstation 7 x86_64
  • Red Hat Enterprise Linux Desktop 7 x86_64
  • Red Hat Enterprise Linux for IBM z Systems 7 s390x
  • Red Hat Enterprise Linux for Power, big endian 7 ppc64
  • Red Hat Enterprise Linux for Scientific Computing 7 x86_64
  • Red Hat Enterprise Linux for Power, little endian 7 ppc64le

Fixes

  • BZ - 1961822 - CVE-2021-31535 libX11: missing request length checks

CVEs

  • CVE-2021-31535

References

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

Red Hat Enterprise Linux Server 7

SRPM
libX11-1.6.7-4.el7_9.src.rpm SHA-256: de83f30a81d4f3e8f613179f52c56e5beb8f5b17879215270f4b0758d36e6dc0
x86_64
libX11-1.6.7-4.el7_9.i686.rpm SHA-256: ec9af5ff8abec887317a2ec7d1175438d5ce034de4144fead783fc5586b9d1f1
libX11-1.6.7-4.el7_9.x86_64.rpm SHA-256: 3f7343df19f365eebcb998e3f336fbbf14b64a8339416167d1ffecb0f5fa9940
libX11-common-1.6.7-4.el7_9.noarch.rpm SHA-256: e98756d4cc870cb9abbe8ab555889e4b2d1d71860d6cd06b7a09dd36f5eec37b
libX11-debuginfo-1.6.7-4.el7_9.i686.rpm SHA-256: e880f56f90af400c5adcd6f2aea1eec613139efbd244cac5d39cccc9a6b0b74d
libX11-debuginfo-1.6.7-4.el7_9.x86_64.rpm SHA-256: f50c4783e102f1ec5dfafa86a7994c996427d7d89803814bd27b9985e0a9f0bc
libX11-devel-1.6.7-4.el7_9.i686.rpm SHA-256: 5129a0925c2d925e5a9e65e4ce2daa5a941eb4b978de235cf3c5bfbdceafafb0
libX11-devel-1.6.7-4.el7_9.x86_64.rpm SHA-256: 767a558f47fb610994e56e86a469f051e4047618e31a43cb51bc3caa4a7e5700

Red Hat Enterprise Linux Workstation 7

SRPM
libX11-1.6.7-4.el7_9.src.rpm SHA-256: de83f30a81d4f3e8f613179f52c56e5beb8f5b17879215270f4b0758d36e6dc0
x86_64
libX11-1.6.7-4.el7_9.i686.rpm SHA-256: ec9af5ff8abec887317a2ec7d1175438d5ce034de4144fead783fc5586b9d1f1
libX11-1.6.7-4.el7_9.x86_64.rpm SHA-256: 3f7343df19f365eebcb998e3f336fbbf14b64a8339416167d1ffecb0f5fa9940
libX11-common-1.6.7-4.el7_9.noarch.rpm SHA-256: e98756d4cc870cb9abbe8ab555889e4b2d1d71860d6cd06b7a09dd36f5eec37b
libX11-debuginfo-1.6.7-4.el7_9.i686.rpm SHA-256: e880f56f90af400c5adcd6f2aea1eec613139efbd244cac5d39cccc9a6b0b74d
libX11-debuginfo-1.6.7-4.el7_9.x86_64.rpm SHA-256: f50c4783e102f1ec5dfafa86a7994c996427d7d89803814bd27b9985e0a9f0bc
libX11-devel-1.6.7-4.el7_9.i686.rpm SHA-256: 5129a0925c2d925e5a9e65e4ce2daa5a941eb4b978de235cf3c5bfbdceafafb0
libX11-devel-1.6.7-4.el7_9.x86_64.rpm SHA-256: 767a558f47fb610994e56e86a469f051e4047618e31a43cb51bc3caa4a7e5700

Red Hat Enterprise Linux Desktop 7

SRPM
libX11-1.6.7-4.el7_9.src.rpm SHA-256: de83f30a81d4f3e8f613179f52c56e5beb8f5b17879215270f4b0758d36e6dc0
x86_64
libX11-1.6.7-4.el7_9.i686.rpm SHA-256: ec9af5ff8abec887317a2ec7d1175438d5ce034de4144fead783fc5586b9d1f1
libX11-1.6.7-4.el7_9.x86_64.rpm SHA-256: 3f7343df19f365eebcb998e3f336fbbf14b64a8339416167d1ffecb0f5fa9940
libX11-common-1.6.7-4.el7_9.noarch.rpm SHA-256: e98756d4cc870cb9abbe8ab555889e4b2d1d71860d6cd06b7a09dd36f5eec37b
libX11-debuginfo-1.6.7-4.el7_9.i686.rpm SHA-256: e880f56f90af400c5adcd6f2aea1eec613139efbd244cac5d39cccc9a6b0b74d
libX11-debuginfo-1.6.7-4.el7_9.x86_64.rpm SHA-256: f50c4783e102f1ec5dfafa86a7994c996427d7d89803814bd27b9985e0a9f0bc
libX11-devel-1.6.7-4.el7_9.i686.rpm SHA-256: 5129a0925c2d925e5a9e65e4ce2daa5a941eb4b978de235cf3c5bfbdceafafb0
libX11-devel-1.6.7-4.el7_9.x86_64.rpm SHA-256: 767a558f47fb610994e56e86a469f051e4047618e31a43cb51bc3caa4a7e5700

Red Hat Enterprise Linux for IBM z Systems 7

SRPM
libX11-1.6.7-4.el7_9.src.rpm SHA-256: de83f30a81d4f3e8f613179f52c56e5beb8f5b17879215270f4b0758d36e6dc0
s390x
libX11-1.6.7-4.el7_9.s390.rpm SHA-256: d7860a699bfd5a55428176253366bd2999dc7dcf0087290fb7f54ce4c7977961
libX11-1.6.7-4.el7_9.s390x.rpm SHA-256: e3f4051b47af3ef1954cb1346b0e3b1732690253a6a89c46b31dd9cbe2122282
libX11-common-1.6.7-4.el7_9.noarch.rpm SHA-256: e98756d4cc870cb9abbe8ab555889e4b2d1d71860d6cd06b7a09dd36f5eec37b
libX11-debuginfo-1.6.7-4.el7_9.s390.rpm SHA-256: 1bd884b319998c29c2fb1076949c70b8e2c22f914a0ce61070e7fa0d173a173f
libX11-debuginfo-1.6.7-4.el7_9.s390x.rpm SHA-256: 328ceb924e1690485a688a9e419aef1e6df86cf800683498b9a392ae5bd3dad6
libX11-devel-1.6.7-4.el7_9.s390.rpm SHA-256: b101bd5727298e09850e6d139a57f012fafdbd1848c061ebe078e7349376ce81
libX11-devel-1.6.7-4.el7_9.s390x.rpm SHA-256: 7429e4046446e214fcc5188a274b6ab3be8fb1cd7e677f186c7bb90f8b8356f9

Red Hat Enterprise Linux for Power, big endian 7

SRPM
libX11-1.6.7-4.el7_9.src.rpm SHA-256: de83f30a81d4f3e8f613179f52c56e5beb8f5b17879215270f4b0758d36e6dc0
ppc64
libX11-1.6.7-4.el7_9.ppc.rpm SHA-256: 2bdcb72779e1ce152214f97a7283313255a41df377f0a82a1ad6199e6e4e6468
libX11-1.6.7-4.el7_9.ppc64.rpm SHA-256: ef70a5ac16163726b522347cd73b557a12348c50139c2f1e6a4ce12adfae195c
libX11-common-1.6.7-4.el7_9.noarch.rpm SHA-256: e98756d4cc870cb9abbe8ab555889e4b2d1d71860d6cd06b7a09dd36f5eec37b
libX11-debuginfo-1.6.7-4.el7_9.ppc.rpm SHA-256: dcd8d26beb340ee50cd72f78b67c769c7137758ad9b49d7b70be372de9392452
libX11-debuginfo-1.6.7-4.el7_9.ppc64.rpm SHA-256: 4006cf755a32dc4d80234461d09e51b0ff5546ff8dc5ebc315a34e71834f29c7
libX11-devel-1.6.7-4.el7_9.ppc.rpm SHA-256: 0c6173153d43350bb1c9a473f8f3a8268d79cbe27ab10c5416878d96125c20d3
libX11-devel-1.6.7-4.el7_9.ppc64.rpm SHA-256: d8342a24168f6732ed119d5b788a5d65abd7c04a57cd417d2205314257ea02db

Red Hat Enterprise Linux for Scientific Computing 7

SRPM
libX11-1.6.7-4.el7_9.src.rpm SHA-256: de83f30a81d4f3e8f613179f52c56e5beb8f5b17879215270f4b0758d36e6dc0
x86_64
libX11-1.6.7-4.el7_9.i686.rpm SHA-256: ec9af5ff8abec887317a2ec7d1175438d5ce034de4144fead783fc5586b9d1f1
libX11-1.6.7-4.el7_9.x86_64.rpm SHA-256: 3f7343df19f365eebcb998e3f336fbbf14b64a8339416167d1ffecb0f5fa9940
libX11-common-1.6.7-4.el7_9.noarch.rpm SHA-256: e98756d4cc870cb9abbe8ab555889e4b2d1d71860d6cd06b7a09dd36f5eec37b
libX11-debuginfo-1.6.7-4.el7_9.i686.rpm SHA-256: e880f56f90af400c5adcd6f2aea1eec613139efbd244cac5d39cccc9a6b0b74d
libX11-debuginfo-1.6.7-4.el7_9.i686.rpm SHA-256: e880f56f90af400c5adcd6f2aea1eec613139efbd244cac5d39cccc9a6b0b74d
libX11-debuginfo-1.6.7-4.el7_9.x86_64.rpm SHA-256: f50c4783e102f1ec5dfafa86a7994c996427d7d89803814bd27b9985e0a9f0bc
libX11-debuginfo-1.6.7-4.el7_9.x86_64.rpm SHA-256: f50c4783e102f1ec5dfafa86a7994c996427d7d89803814bd27b9985e0a9f0bc
libX11-devel-1.6.7-4.el7_9.i686.rpm SHA-256: 5129a0925c2d925e5a9e65e4ce2daa5a941eb4b978de235cf3c5bfbdceafafb0
libX11-devel-1.6.7-4.el7_9.x86_64.rpm SHA-256: 767a558f47fb610994e56e86a469f051e4047618e31a43cb51bc3caa4a7e5700

Red Hat Enterprise Linux for Power, little endian 7

SRPM
libX11-1.6.7-4.el7_9.src.rpm SHA-256: de83f30a81d4f3e8f613179f52c56e5beb8f5b17879215270f4b0758d36e6dc0
ppc64le
libX11-1.6.7-4.el7_9.ppc64le.rpm SHA-256: c47cf6743e1fc97c306850f7294c5021b56b093fac4815735041f44db911907a
libX11-common-1.6.7-4.el7_9.noarch.rpm SHA-256: e98756d4cc870cb9abbe8ab555889e4b2d1d71860d6cd06b7a09dd36f5eec37b
libX11-debuginfo-1.6.7-4.el7_9.ppc64le.rpm SHA-256: 1300c9b37afaa1e805e8e5313cebc648ee5cc0e02ec68e079e8d387b9a775b25
libX11-devel-1.6.7-4.el7_9.ppc64le.rpm SHA-256: 3ddedf8c56d725c98e9697634bea4203164f7290225d5ea66f1c25c211883cfa

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

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