CVE-2026-58550: CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') in Huawei HarmonyOS
Out-of-bounds read vulnerability in the image codec module. Impact: Successful exploitation of this vulnerability may affect service confidentiality.
AI Analysis
Technical Summary
This vulnerability is an out-of-bounds read issue in the image codec module of Huawei HarmonyOS, classified under CWE-120 (Classic Buffer Overflow). Successful exploitation may lead to impacts on service availability, but confidentiality and integrity are not affected. The CVSS v3.1 base score is 4.0, indicating medium severity. The affected version explicitly identified is HarmonyOS 6.1.0. There is no vendor advisory or patch available at this time, and no known exploits have been reported in the wild.
Potential Impact
The vulnerability may cause a denial of service or disruption of service availability due to out-of-bounds memory access in the image codec module. There is no impact on confidentiality or integrity according to the CVSS vector and description.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary mitigation is currently available. Users of HarmonyOS 6.1.0 should monitor Huawei advisories for updates.
CVE-2026-58550: CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') in Huawei HarmonyOS
Description
Out-of-bounds read vulnerability in the image codec module. Impact: Successful exploitation of this vulnerability may affect service confidentiality.
CVSS v3.1
Score 4.0medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability is an out-of-bounds read issue in the image codec module of Huawei HarmonyOS, classified under CWE-120 (Classic Buffer Overflow). Successful exploitation may lead to impacts on service availability, but confidentiality and integrity are not affected. The CVSS v3.1 base score is 4.0, indicating medium severity. The affected version explicitly identified is HarmonyOS 6.1.0. There is no vendor advisory or patch available at this time, and no known exploits have been reported in the wild.
Potential Impact
The vulnerability may cause a denial of service or disruption of service availability due to out-of-bounds memory access in the image codec module. There is no impact on confidentiality or integrity according to the CVSS vector and description.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary mitigation is currently available. Users of HarmonyOS 6.1.0 should monitor Huawei advisories for updates.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- huawei
- Date Reserved
- 2026-07-01T10:03:11.402Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a577e1f68715ace43b30824
Added to database: 07/15/2026, 12:33:35 UTC
Last enriched: 07/15/2026, 13:03:02 UTC
Last updated: 07/15/2026, 15:50:06 UTC
Views: 7
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.