CVE-2023-33063
HighExploitedPublic exploitMemory corruption in DSP Services during a remote call from HLOS to DSP.
Published Dec 5, 2023 · Updated Oct 14, 2026 · Also known as 3447219, A-266568298, ASB-A-266568298
Key Facts
Patch immediately- CVE-2023-33063 is a high-severity vulnerability (CVSS 7.8 v3.1) affecting 315 5g IoT Modem Firmware (Qualcomm), 8098 Firmware (Qualcomm), 8953pro Firmware (Qualcomm) and 22 more products.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Dec 5, 2023. Public exploit code is available.
- EPSS estimates a 0.7% probability of exploitation in the next 30 days.
- Fixed versions are available, including :linux_kernel:Qualcomm SoCVersion:2023-12-05.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
0.7%
Higher than 51.1% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2023-33063 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
Memory corruption in DSP Services during a remote call from HLOS to DSP.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Dec 5, 2023 | Dec 26, 2023 | Not reported |
| Industry KEV feed | Dec 5, 2023 | Dec 26, 2023 | Not reported |
| CIRCL KEV | Dec 5, 2023 | Dec 26, 2023 | Not reported |
| ENISA EUVD | Dec 5, 2023 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
283 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| 315 5g IoT Modem FirmwareQualcomm | See advisory | n/a |
| 8098 FirmwareQualcomm | See advisory | n/a |
| 8953pro FirmwareQualcomm | See advisory | n/a |
| 8998 FirmwareQualcomm | See advisory | n/a |
| Apq5053-Aa FirmwareQualcomm | See advisory | n/a |
Patched Releases
:linux_kernel:Qualcomm
SoCVersion:2023-12-05
Timeline
Publicly disclosed
Dec 5, 2023
Added to CISA KEV
Dec 5, 2023
Added to Industry KEV feed
Dec 5, 2023
Added to CIRCL KEV
Dec 5, 2023
Added to ENISA EUVD
Dec 5, 2023
Last updated
Oct 14, 2026
Weakness Type
- CWE-416 Use After Free
References
- advisoryhttps://source.android.com/docs/security/bulletin/2023-12-01
- advisoryhttps://source.android.com/security/bulletin/2023-12-01
- advisoryhttps://www.bleepingcomputer.com/news/security/android-october-security-update-fixes-zero-days-exploited-in-attacks/
- advisoryhttps://www.bleepingcomputer.com/news/security/december-android-updates-fix-critical-zero-click-rce-flaw/
- advisoryhttps://www.bleepingcomputer.com/news/security/september-android-updates-fix-zero-day-exploited-in-attacks/
FAQ
Common Questions.
Memory corruption in DSP Services during a remote call from HLOS to DSP.
Affected: 315 5g IoT Modem Firmware (Qualcomm); 8098 Firmware (Qualcomm); 8953pro Firmware (Qualcomm), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Dec 5, 2023.
Yes. It was added on Dec 5, 2023 with a federal remediation due date of Dec 26, 2023.
Public exploit code is available.
Fixed versions are available, including :linux_kernel:Qualcomm SoCVersion:2023-12-05.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2023-33063 Running On Your Attack Surface?
Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.
Request A Demo