Buffer overflow in the HarmonyOS file preview module
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
Huawei HarmonyOS versions from 6.1.0 and from 7.0.0 contain a buffer overflow in the file preview module, a data processing error (CWE-19). A remote attacker without privileges needs a user to interact with the affected system, and successful exploitation may affect availability.
Written with Claude Haiku 5.5 from the sources below · 2026-11-02
Description from the CNA
Buffer overflow vulnerability in the file preview module. Impact: Successful exploitation of this vulnerability may affect availability.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
The sources list no fixed version for HarmonyOS.
Written with Claude Haiku 5.5 from the sources below · 2026-11-02
Timeline
- 2026-11-02 Threatist record created from CVE-2026-101179
- 2026-11-02 Alias added: GHSA-g3r9-w8pr-mh8r
- 2026-11-02 CISA SSVC decision points changed
References
More Huawei vulnerabilities
- TI-2019-00485 Use after free in Microsoft Windows KEVCVSS 3.1CRITICAL 9.8
- TI-2016-02580 Code injection in Apache Struts through Dynamic Method Invocation KEVCVSS 3.1HIGH 8.1
- TI-2020-00067 Out-of-bounds write in Android KEVCVSS 3.1HIGH 7.8
- TI-2019-01829 Use after free in Android KEVCVSS 3.1HIGH 7.8
- TI-2017-10594 Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a… CVSS 3.1CRITICAL 9.8
- TI-2017-12631 Improper input validation in Huawei HG532 CVSS 3.0HIGH 8.8
Sources
- CVE-2026-101179 · CVE Program
- CVE-2026-101179 · NVD
- FIRST EPSS
- GHSA-g3r9-w8pr-mh8r · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences