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CVE-2023-43787

HIGHCVSS 7.8/10EPSS 0.43%

Last modified

CVE-2023-43787 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.43% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.43%

34.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
X.OrgLibx11< 1.8.7
RedhatEnterprise Linux8.0
RedhatEnterprise Linux9.0
FedoraprojectFedora38

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-43787?
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.
How severe is CVE-2023-43787?
CVE-2023-43787 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.
How do I fix CVE-2023-43787?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-43787?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST