CVE-2026-56002
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- CVE-2026-56002
CVE Details
| Release Date: | 2026-07-08 | |
| Impact: | Important | What is this? |
Description
A heap bufferflow in pcfReadFont() due to missing glyph bounds checking in libXfont2 before 2.0.8 allows attackers authenticated as X client to execute code within the X server.
See more information about CVE-2026-56002 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 metrics
| Base Score: | 7.3 |
| Vector String: | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |
| Version: | 3.1 |
| Attack Vector: | Local |
| Attack Complexity: | Low |
| Privileges Required: | Low |
| User Interaction: | Required |
| Scope: | Unchanged |
| Confidentiality Impact: | High |
| Integrity Impact: | High |
| Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 10 (libXfont2) | ELSA-2026-47079 | 2026-07-28 |
| Oracle Linux version 8 (libXfont2) | ELSA-2026-47103 | 2026-07-28 |
| Oracle Linux version 9 (libXfont2) | ELSA-2026-47084 | 2026-07-28 |
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