erofs: fix unsigned underflow in z_erofs_lz4_handle_overlap()
CVE-2026-45999 is a vulnerability in the erofs component related to an unsigned underflow in the function z_erofs_lz4_handle_overlap(). The vulnerability affects Microsoft products including Azure Linux 3. 0. No CVSS score or detailed impact information is provided. There is no indication of known exploits in the wild. Patch status is not confirmed as no patch or vendor advisory details about remediation are available.
AI Analysis
Technical Summary
This vulnerability involves an unsigned underflow in the z_erofs_lz4_handle_overlap() function of the erofs component in Microsoft products, including Azure Linux 3.0. The unsigned underflow could potentially lead to unexpected behavior in the handling of compressed data, but no further technical details or impact specifics are provided. The Microsoft Security Response Center has published the advisory but without detailed patch or mitigation information.
Potential Impact
The impact details are not specified in the available information. The vulnerability could potentially affect the integrity or stability of the erofs component, but no confirmed exploitation or detailed impact scenarios are provided.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. No specific mitigation or workaround information is provided at this time.
erofs: fix unsigned underflow in z_erofs_lz4_handle_overlap()
Description
CVE-2026-45999 is a vulnerability in the erofs component related to an unsigned underflow in the function z_erofs_lz4_handle_overlap(). The vulnerability affects Microsoft products including Azure Linux 3. 0. No CVSS score or detailed impact information is provided. There is no indication of known exploits in the wild. Patch status is not confirmed as no patch or vendor advisory details about remediation are available.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an unsigned underflow in the z_erofs_lz4_handle_overlap() function of the erofs component in Microsoft products, including Azure Linux 3.0. The unsigned underflow could potentially lead to unexpected behavior in the handling of compressed data, but no further technical details or impact specifics are provided. The Microsoft Security Response Center has published the advisory but without detailed patch or mitigation information.
Potential Impact
The impact details are not specified in the available information. The vulnerability could potentially affect the integrity or stability of the erofs component, but no confirmed exploitation or detailed impact scenarios are provided.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. No specific mitigation or workaround information is provided at this time.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_vex
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2026-45999
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a18ab90e29bf47b5028963f
Added to database: 5/28/2026, 8:54:40 PM
Last enriched: 5/28/2026, 9:11:56 PM
Last updated: 5/29/2026, 4:54:01 AM
Views: 2
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