CVE-2026-2246: AprilRobotics apriltag apriltag.c apriltag_detector_detect memory corruption

Severity: low (CVSS 3.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-02-09 · updated 2026-06-17
Weakness: CWE-119

Description

A security vulnerability has been detected in AprilRobotics apriltag up to 3.4.5. Affected by this vulnerability is the function apriltag_detector_detect of the file apriltag.c. The manipulation leads to memory corruption. The attack must be carried out locally. The exploit has been disclosed publicly and may be used. The identifier of the patch is cfac2f5ce1ffe2de25967eb1ab80bc5d99fc1a61. It is suggested to install a patch to address this issue.

Affected products

AprilRobotics apriltag: 3.4.0, 3.4.1, 3.4.2, 3.4.3, 3.4.4, 3.4.5

References

https://github.com/AprilRobotics/apriltag/
https://github.com/AprilRobotics/apriltag/commit/cfac2f5ce1ffe2de25967eb1ab80bc5d99fc1a61
https://github.com/AprilRobotics/apriltag/issues/422
https://github.com/AprilRobotics/apriltag/issues/422#issuecomment-3797661933
https://github.com/oneafter/0120/blob/main/repro
https://vuldb.com/?ctiid.344994
https://vuldb.com/?id.344994
https://vuldb.com/?submit.753162

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