CVE-2023-23298
The `Toybox.Graphics.BufferedBitmap.initialize` API method in CIQ API version 2.3.0 through 4.1.7...
CVE-2023-23298 is a critical vulnerability (CVSS 9.8) in Garmin Connect-iq, published May 23, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.47%, the 74th percentile. No source names a fixed version.
- Severity
- 9.8 CriticalCVSS 3.1, NVD
- Exploit chance
- 1.47%EPSS, 74th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
The Toybox.Graphics.BufferedBitmap.initialize API method in CIQ API version 2.3.0 through 4.1.7 does not validate its parameters, which can result in integer overflows when allocating the underlying bitmap buffer. A malicious application could call the API method with specially crafted parameters and hijack the execution of the device's firmware.
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
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Affected products
What each source reports
NVD Score used 9.8
The Toybox.Graphics.BufferedBitmap.initialize API method in CIQ API version 2.3.0 through 4.1.7 does not validate its parameters, which can result in integer overflows when allocating the underlying bitmap buffer. A malicious application could call the API method with specially crafted parameters and hijack the execution of the device's firmware.
- Record
CVE-2023-23298- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-190
- Updated
- 2026-11-02
CVE ListNo score
The Toybox.Graphics.BufferedBitmap.initialize API method in CIQ API version 2.3.0 through 4.1.7 does not validate its parameters, which can result in integer overflows when allocating the underlying bitmap buffer. A malicious application could call the API method with specially crafted parameters and hijack the execution of the device's firmware.
- Record
CVE-2023-23298- Updated
- 2026-11-02
EUVDEUVD-2023-27398No score
The Toybox.Graphics.BufferedBitmap.initialize API method in CIQ API version 2.3.0 through 4.1.7 does not validate its parameters, which can result in integer overflows when allocating the underlying bitmap buffer. A malicious application could call the API method with specially crafted parameters and hijack the execution of the device's firmware.
- Record
EUVD-2023-27398- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-r4jf-j22c-rq3p 9.8
The `Toybox.Graphics.BufferedBitmap.initialize` API method in CIQ API version 2.3.0 through 4.1.7...
The Toybox.Graphics.BufferedBitmap.initialize API method in CIQ API version 2.3.0 through 4.1.7 does not validate its parameters, which can result in integer overflows when allocating the underlying bitmap buffer. A malicious application could call the API method with specially crafted parameters and hijack the execution of the device's firmware.
- Record
GHSA-r4jf-j22c-rq3p- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-190
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.