CVE-2023-33086 Improper Release of Memory Before Removing Last Reference in Data Modem
A memory leak in Qualcomm Snapdragon data modem allows remote attackers to cause a transient denial of service via IKEV2 requests.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-33086?
CVE-2023-33086 is a high-severity memory corruption vulnerability in Qualcomm 315 5g Iot Modem Firmware, published on 4 Mar 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Transient DOS while processing multiple IKEV2 Informational Request to device from IPSEC server with different identifiers.
Weakness: CWE-401
Which versions are affected by CVE-2023-33086?
It affects 157 products.
Products include Qualcomm 315 5g Iot Modem Firmware, Qualcomm Aqt1000 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Csra6620 Firmware, Qualcomm Csra6640 Firmware, Qualcomm Csrb31024 Firmware and 151 more.
How do I fix CVE-2023-33086?
No fix has been published for CVE-2023-33086 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2023-33086 being exploited?
There is no known exploitation of CVE-2023-33086 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm 315 5g Iot Modem Firmware
- CVE-2023-33107 Qualcomm Multiple Chipsets Integer Overflow
- CVE-2023-33063 Qualcomm Multiple Chipsets Use-After-Free
- CVE-2025-27034 Improper Validation of Array Index in Multi-Mode Call Processor
- CVE-2023-22388 Use of Out-of-range Pointer Offset in Multi-mode Call Processor
- CVE-2023-28578 Improper Input Validation in Services
Sources
Also known as GHSA-prf2-664f-fphr.