VulnerabilityModified
CVE-2023-43787
A vulnerability was found in libX11 due to an integer overflow within the XCreateImage() function.
HIGH 7.8EPSS 0.43%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.43%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.43% probability · 36th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-122, CWE-190
- Affected
- x.org/libx11 · redhat/enterprise linux · fedoraproject/fedora
- Source
- secalert@redhat.com
References
- https://access.redhat.com/errata/RHSA-2024:2145
- https://access.redhat.com/errata/RHSA-2024:2973
- https://access.redhat.com/security/cve/CVE-2023-43787Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2242254Issue Tracking, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2024/01/24/9
- https://access.redhat.com/errata/RHSA-2024:2145
- https://access.redhat.com/errata/RHSA-2024:2973
- https://access.redhat.com/security/cve/CVE-2023-43787Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2242254Issue Tracking, Third Party Advisory
- https://jfrog.com/blog/xorg-libx11-vulns-cve-2023-43786-cve-2023-43787-part-two/
- https://lists.debian.org/debian-lts-announce/2023/10/msg00005.html
- https://security.netapp.com/advisory/ntap-20231103-0006/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.