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CVE-2023-33049

Improper Release of Memory Before Removing Last Reference in Multi-Mode Call Processor

7.5 High

Transient DOS in Multi-Mode Call Processor due to UE failure because of heap leakage.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

0.32%Up 0.3 points since Feb 8, 2024
90%50%10%1%

What each source reports

CVE List Score used 7.5

Improper Release of Memory Before Removing Last Reference in Multi-Mode Call Processor

Transient DOS in Multi-Mode Call Processor due to UE failure because of heap leakage.

Record
CVE-2023-33049
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-401
Updated
2026-11-02
EUVDEUVD-2023-37238 7.5

Transient DOS in Multi-Mode Call Processor due to UE failure because of heap leakage.

Record
EUVD-2023-37238
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-33fg-vcj3-g326 7.5

Transient DOS in Multi-Mode Call Processor due to UE failure because of heap leakage.

Transient DOS in Multi-Mode Call Processor due to UE failure because of heap leakage.

Record
GHSA-33fg-vcj3-g326
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-401
Updated
2026-11-02
NVD 7.5

Transient DOS in Multi-Mode Call Processor due to UE failure because of heap leakage.

Record
CVE-2023-33049
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-401
Updated
2026-11-02

Affected products

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History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-33049 is a high vulnerability (CVSS 7.5) in Qualcomm 315 5g Iot Modem Firmware, published February 6, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.32%, the 25th percentile. No source names a fixed version.

References

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