libyal libvmdk Extent Data File libvmdk_extent_table.c libvmdk_extent_table_get_extent_data_file_path memory corruption
CVSS score
5.1
EPSS probability
—
Risk score
0.5
Published
2 h ago
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Impact on My Inventory
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Vulnerability description
DayBreach AI Explanation
Verified against sourcesSources read
1
Source agreement
Tam uyum
Evidence confidence
%55
Short explanation
A memory‑corruption flaw in libyal libvmdk (function libvmdk_extent_table_get_extent_data_file_path) can be triggered remotely with low privileges and user interaction. A public exploit exists, and a patch is available via commit 175d3fc0a0b… . The issue scores 5.1 (CVSS) and is not listed in CISA’s KEV program.
Exploitation may cause crashes or remote code execution, affecting systems that use libvmdk.
What should be done?
- Apply the patch referenced by commit 175d3fc0a0b…
- Follow the libvmdk vendor advisory
- Validate the patch in a staging environment
- Monitor for further updates
- Keep rolling‑release versions up to date
Chain of evidence and sources
CVE-2026-123268 için kamuya açık bir istismar duyurulmuştur.
CVE-2026-123268 için 175d3fc0a0b… commit’iyle bir yama mevcuttur.
Show the technical text from the sources
A security vulnerability has been detected in libyal libvmdk up to 3fdd7839758e9f44ef95e1dfccde8552b860a4fc. Affected is the function libvmdk_extent_table_get_extent_data_file_path of the file libvmdk/libvmdk_extent_table.c of the component Extent Data File Handler. The manipulation leads to memory corruption. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. This product uses a rolling release model to deliver continuous updates. As a result, specific version information for affected or updated releases is not available. The identifier of the patch is 175d3fc0a0b961f362f16e7560a6169d7213e16b. Applying a patch is the recommended action to fix this issue.
CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
CWE: CWE-119
This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2026-123268 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | libyal | libvmdk | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| 5.1 | CVSS V4_0 | MEDIUM | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P | CVE CNA |
| 4.0 | CVSS V2_0 | — | AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C | CVE CNA |
| 4.0 | CVSS V2 | — | AV:N/AC:L/Au:S/C:N/I:N/A:P | NVD |
| 3.5 | CVSS V3_1 | LOW | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C | CVE CNA |
| 3.5 | CVSS V3_0 | LOW | CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C | CVE CNA |
| 3.5 | CVSS V31 | LOW | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L | NVD |
| 2.0 | CVSS V40 | LOW | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X | NVD |
Patch and Remediation Guide
Solution & Remediation Advisory
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Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-123268 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-123268 weaknesses.
Attack Vector and Accessibility
Official Sources and Advisories
Similar Vulnerabilities
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