7.8High

CVE-2023-43787Libx11: integer overflow in xcreateimage() leading to a heap overflow

libX11; Red Hat Red Hat Enterprise Linux 8; Red Hat Red Hat Enterprise Linux 9; Red Hat Red Hat Enterprise Linux 6 Published: (3 years ago)

Description

A vulnerability was found in libX11 due to an integer overflow within the XCreateImage() function. This flaw allows a local user to trigger an integer overflow and execute arbitrary code with elevated privileges.

Weakness (CWE): CWE-122CWE-190

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

VendorProductVersions
enterprise linux 8 —
enterprise linux 9 —
fedoraproject fedora 38
redhat enterprise linux 8.0
Red Hat Red Hat Enterprise Linux 6 —
Red Hat Red Hat Enterprise Linux 7 —
Red Hat Red Hat Enterprise Linux 8 all versions
Red Hat Red Hat Enterprise Linux 9 all versions
— libX11 < 1.8.7
x.org libx11 < 1.8.7

References and patches

CPE matches (NVD) (4)

  • cpe:2.3:a:x.org:libx11:*:*:*:*:*:*:*:* < 1.8.7
  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
  • cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*