CVE-2023-43787 — Heap-based Buffer Overflow in Libx11

CWE-122 — Heap-based Buffer OverflowCWE-190 — Integer Overflow or Wraparound14 documents9 sources
Severity
7.8HIGHNVD
EPSS
0.0%
top 87.42%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
X.org Libx11Fedoraproject FedoraRedhat Enterprise Linux
Timeline
PublishedOct 10
Latest updateOct 23

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages2 packages

▶NVDx.org/libx11< 1.8.7
▶Debianx.org/libx11< 2:1.7.2-1+deb11u2+3

Also affects: Fedora 38, Enterprise Linux 8.0, 9.0

🔴Vulnerability Details

4
GHSA
GHSA-8x43-mjg3-6x36: A vulnerability was found in libX11 due to an integer overflow within the XCreateImage() function↗2023-10-10
▶
OSV
CVE-2023-43787: A vulnerability was found in libX11 due to an integer overflow within the XCreateImage() function↗2023-10-10
▶
CVEList
Libx11: integer overflow in xcreateimage() leading to a heap overflow↗2023-10-10
▶
OSV
libxpm vulnerabilities↗2023-10-03
▶

📋Vendor Advisories

9
Ubuntu
libXpm vulnerabilities↗2023-10-23
▶
Ubuntu
libx11 vulnerabilities↗2023-10-10
▶
Microsoft
Libx11: integer overflow in xcreateimage() leading to a heap overflow↗2023-10-10
▶
Red Hat
libX11: integer overflow in XCreateImage() leading to a heap overflow↗2023-10-04
▶
Ubuntu
libXpm vulnerabilities↗2023-10-03
▶
CVE-2023-43787 — Heap-based Buffer Overflow in Libx11 | cvebase