CVE-2023-43519 Buffer Copy without Checking Size of Input (`Classic Buffer Overflow`) in Video
A buffer overflow in Qualcomm Snapdragon video parsing allows attackers to execute arbitrary code or escalate privileges via crafted video files.
- 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-2023-43519?
CVE-2023-43519 is a high-severity memory corruption vulnerability in Qualcomm Aqt1000 Firmware, published on 6 Feb 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Memory corruption in video while parsing the Videoinfo, when the size of atom is greater than the videoinfo size.
Weakness: CWE-120
Which versions are affected by CVE-2023-43519?
It affects 134 products.
Products include Qualcomm Aqt1000 Firmware, Qualcomm Fastconnect 6200 Firmware, Qualcomm Fastconnect 6700 Firmware, Qualcomm Fastconnect 6800 Firmware, Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware and 128 more.
How do I fix CVE-2023-43519?
No fix has been published for CVE-2023-43519 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-2023-43519 being exploited?
There is no known exploitation of CVE-2023-43519 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Aqt1000 Firmware
- CVE-2025-21479 Qualcomm Multiple Chipsets Incorrect Authorization
- CVE-2025-21480 Qualcomm Multiple Chipsets Incorrect Authorization
- CVE-2023-28562 Buffer Copy Without Checking Size of Input in QESL
- CVE-2022-40514 Buffer copy without checking size of input in WLAN Firmware
- CVE-2022-22096 Memory corruption in Snapdragon Connectivity, Snapdragon Mobile
Sources
Also known as GHSA-xp9v-mj73-x58r.