libyal libfwsi up to 20260522 MTP File libfwsi_mtp_file_entry_values_read_data out-of-bounds
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.4 | $0-$5k | 1.21 |
Summary
A vulnerability was found in libyal libfwsi up to 20260522. It has been classified as problematic. Affected by this issue is the function libfwsi_mtp_file_entry_values_read_data of the component MTP File Handler. This manipulation causes out-of-bounds.
This vulnerability is tracked as CVE-2026-111134. The attack is restricted to local execution. No exploit exists.
Details
A vulnerability has been found in libyal libfwsi up to 20260522 and classified as problematic. Affected by this vulnerability is the function libfwsi_mtp_file_entry_values_read_data of the component MTP File Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
libfwsi through 20260522 contains a heap out-of-bounds read vulnerability in libfwsi_mtp_file_entry_values_read_data() that allows attackers to read past buffer bounds via crafted MTP file entry shell items. Attackers can embed a 10 to 73 byte shell item with item data size of 44 or more in .lnk files, jump lists or shell bags to crash libfwsi consumers.
The advisory is shared at hackmd.io. This vulnerability is known as CVE-2026-111134 since 10/15/2026. The exploitation appears to be easy. An attack has to be approached locally. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 5.4VulDB Meta Temp Score: 5.4
VulDB Base Score: 4.8
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 6.1
CNA Vector (VulnCheck): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Out-of-boundsCWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: Partially
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
10/15/2026 Advisory disclosed10/15/2026 CVE reserved
10/15/2026 VulDB entry created
10/15/2026 VulDB entry last update
Sources
Advisory: hackmd.ioStatus: Not defined
CVE: CVE-2026-111134 (🔒)
GCVE (CVE): GCVE-0-2026-111134
GCVE (VulDB): GCVE-100-420817
Entry
Created: 10/15/2026 21:22Changes: 10/15/2026 21:22 (74)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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