MEDIUMCVSS v3.1 5.5Vulnerability
CVE-2026-120252
imagecodecs 2023.1.23 through 2026.10.10 contains a stack-based buffer overflow vulnerability in the lossless JPEG Define Huffman Table parser in decode_jpegsof3(). Attackers can supply a crafted lossless JPEG whose DHT symbol counts wrap an 8-bit sum, overflowing the 32-entry HufVal and HufSz stack arrays and crashing the calling process.
Properties
- Severity
- MEDIUM
- Nvd fetched at
- 2026-11-01T04:23:23.117307+00:00
- Cvss score
- 5.5
- Cvss severity
- MEDIUM
- Retrieved at
- 2026-11-01T04:27:23+00:00
- Score
- 5.5
- Last source
- NVD
- Cvss version
- 3.1
- Cve id
- CVE-2026-120252
- Cvss vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- First seen by Signal
- 2026-11-01T04:27:23+00:00
- Vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- Published at
- 2026-11-01T01:17:19.287
- Last modified
- 2026-11-01T01:17:19.287
Related Entities (1)
HAS_WEAKNESS (1)
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