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CVE-2023-21639Buffer Copy Without Checking the Size of Input in Audio
- 6.7MediumCVSS base score
- 0.11%Exploitation in 30 daysEPSS · top 98% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Memory corruption in Audio while processing sva_model_serializer using memory size passed by HIDL client.
Timeline
ID reserved
By qualcomm
- 7 months later
· 7 months later
Published
- 13 months later
· 13 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| qualcommCNA (assigner) | 3.1 | Medium6.7 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.11% · top 98% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.7.
Affected products
- affected AQT1000
- affected FastConnect 6200
- affected QCA6420
- affected QCA6430
- affected SA4150P
- affected SA4155P
- affected SA6155P
- affected SA8155P
- affected SA8195P
- affected SD855
- affected Snapdragon 855 Mobile Platform
- affected Snapdragon 855+/860 Mobile Platform (SM8150-AC)
- affected Snapdragon W5+ Gen 1 Wearable Platform
- affected SW5100
- affected SW5100P
- affected WCD9341
- affected WCN3980
- affected WCN3988
- affected WSA8810
- affected WSA8815
- affected WSA8830
- affected WSA8835
References
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2023-25806 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2023-21639)Record last updated .