Buffer overflow in Aprilrobotics Apriltag
CVE-2026-2246
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.002 (4.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 4.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Aprilrobotics Apriltag — versions 3.4.0, 3.4.1, 3.4.2
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, vdb-entry)
- vuldb.com/ (signature, permissions-required)
- vuldb.com/ (third-party-advisory)
- github.com/AprilRobotics/apriltag/issues/422 (issue-tracking)
- github.com/AprilRobotics/apriltag/issues/422 (issue-tracking)
- github.com/oneafter/0120/blob/main/repro (exploit)
- github.com/AprilRobotics/apriltag/commit/cfac2f5ce1ffe2de25967eb1ab80bc5d99fc1a… (patch)
- github.com/AprilRobotics/apriltag/ (product)
Frequently asked questions
- What is CVE-2026-2246?
- CVE-2026-2246 is a low-severity vulnerability in Aprilrobotics Apriltag, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 3.3/10. Published 2026-02-09.
- How severe is CVE-2026-2246?
- Low severity. CVSS v3 base score is 3.3 out of 10.