Huawei HarmonyOS file parsing module DoS via uncontrolled recursion
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-674.
Summary
Huawei HarmonyOS from 6.1.0 and from 7.0.0 contains a denial-of-service flaw in its file parsing module, classified as CWE-674 (Uncontrolled Recursion). Successful exploitation may affect availability. The CVSS 3.1 base score is 4.3 (MEDIUM), with a network attack vector that needs no privileges but requires user interaction. CISA has not added it to KEV, no exploit is referenced, and CISA's SSVC rates exploitation as none and automatable as no.
Written with Claude Haiku 5.5 from the sources below · 2026-11-02
Description from the CNA
DoS vulnerability in the file parsing 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 the affected HarmonyOS versions, so none can be named. Apply Huawei's update once a fix is released.
Written with Claude Haiku 5.5 from the sources below · 2026-11-02
Timeline
- 2026-11-02 Threatist record created from CVE-2026-101180
- 2026-11-02 Alias added: GHSA-fm4c-g4r5-j629
- 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-2026-101180 · CVE Program
- CVE-2026-101180 · NVD
- FIRST EPSS
- GHSA-fm4c-g4r5-j629 · 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