MEDIUMCVSS v3.1 6.1Vulnerability
CVE-2026-121942
ZBar through 0.23.95 contains an out-of-bounds read vulnerability in _zbar_sq_decode() in zbar/sqcode.c that allows attackers to read heap memory outside the image buffer via crafted SQ code images. Attackers can supply an image with a skewed SQ code finder pattern near the edge, producing unchecked sample coordinates that crash the decoder and leak bytes into output.
Properties
- Severity
- MEDIUM
- Nvd fetched at
- 2026-11-04T13:33:26.764955+00:00
- Cvss severity
- MEDIUM
- Cvss score
- 6.1
- Retrieved at
- 2026-11-04T13:34:19+00:00
- Score
- 6.1
- Cvss version
- 3.1
- Last source
- NVD
- Cve id
- CVE-2026-121942
- Cvss vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
- First seen by Signal
- 2026-11-04T13:34:19+00:00
- Vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
- Published at
- 2026-11-04T13:17:28.740
- Last modified
- 2026-11-04T13:17:28.873
Related Entities (1)
HAS_WEAKNESS (1)
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