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CVE-2023-43787

Date: October 10, 2023

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.

Language: C

Severity Score

Related Resources (12)

https://security-tracker.debian.org/tracker/CVE-2023-43787
https://gitlab.freedesktop.org/xorg/lib/libx11/-/commit/7916869d16bdd115ac5be30a67c3749907aea6a0
https://bugzilla.redhat.com/show_bug.cgi?id=2242254
https://nvd.nist.gov/vuln/detail/CVE-2023-43787
http://www.openwall.com/lists/oss-security/2024/01/24/9
https://security.netapp.com/advisory/ntap-20231103-0006/
https://security.alpinelinux.org/vuln/CVE-2023-43787
https://access.redhat.com/errata/RHSA-2024:2145
https://access.redhat.com/security/cve/CVE-2023-43787
https://access.redhat.com/errata/RHSA-2024:2973
https://jfrog.com/blog/xorg-libx11-vulns-cve-2023-43786-cve-2023-43787-part-two/
https://www.mend.io/vulnerability-database/CVE-2023-43787

Severity Score

Weakness Type (CWE)

Integer Overflow or Wraparound

CWE-190

Heap-based Buffer Overflow

CWE-122

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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