CVE-2020-14363

Summary

CVECVE-2020-14363
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-09-11 18:15:00 UTC
Updated2023-11-07 03:17:00 UTC
DescriptionAn integer overflow vulnerability leading to a double-free was found in libX11. This flaw allows a local privileged attacker to cause an application compiled with libX11 to crash, or in some cases, result in arbitrary code execution. The highest threat from this flaw is to confidentiality, integrity as well as system availability.

Risk And Classification

Problem Types: CWE-190

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Fedoraproject Fedora 33 All All All
Application X.org Libx11 All All All All
Application X.org Libx11 All All All All

References

ReferenceSourceLinkTags
[SECURITY] Fedora 33 Update: libX11-1.6.12-1.fc33 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
Exploits/x11doublefree.sh at master · Ruia-ruia/Exploits · GitHub MISC github.com
Exploits/DFX11details.txt at master · Ruia-ruia/Exploits · GitHub MISC github.com
[SECURITY] Fedora 33 Update: libX11-1.6.12-1.fc33 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
1872473 – (CVE-2020-14363) CVE-2020-14363 libX11: integer overflow leads to double free in locale handling CONFIRM bugzilla.redhat.com Issue Tracking, Third Party Advisory
X.Org libX11 security advisory: August 25, 2020 MISC lists.x.org Vendor Advisory
USN-4487-2: libx11 vulnerabilities | Ubuntu security notices | Ubuntu UBUNTU usn.ubuntu.com Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 159217 Oracle Enterprise Linux Security Update for userspace graphics, xorg-x11, and mesa (ELSA-2021-1804)
  • 239300 Red Hat Update for userspace graphics, xorg-x11, and mesa (RHSA-2021:1804)
  • 352377 Amazon Linux Security Advisory for libX11: AL2012-2020-330
  • 377028 Alibaba Cloud Linux Security Update for libx11 (ALINUX2-SA-2020:0177)
  • 377380 Alibaba Cloud Linux Security Update for userspace graphics, xorg-x11, and mesa (ALINUX3-SA-2022:0087)
  • 377568 Alibaba Cloud Linux Security Update for userspace graphics, xorg-x11, and mesa (ALINUX3-SA-2022:0114)
  • 378324 Virtuozzo Linux Security Update for libX11 (VZLSA-2020:4946)
  • 500334 Alpine Linux Security Update for libx11
  • 504098 Alpine Linux Security Update for libx11
  • 690433 Free Berkeley Software Distribution (FreeBSD) Security Update for libx11 (8da79498-e6f6-11ea-8cbf-54e1ad3d6335)
  • 940098 AlmaLinux Security Update for userspace (ALSA-2021:1804)
  • 960449 Rocky Linux Security Update for userspace (RLSA-2021:1804)
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