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.
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Affected Vendors & Products
Advisories
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Fixes
Solution
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Workaround
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References
History
Sun, 01 Nov 2026 01:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | imagecodecs 2023.1.23 through 2026.10.10 Stack Buffer Overflow via jpegsof3_decode() | |
| Weaknesses | CWE-121 | |
| References |
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| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-11-01T00:57:15.614Z
Reserved: 2026-10-31T22:06:00.916Z
Link: CVE-2026-120252
No data.
Status : Received
Published: 2026-11-01T01:17:19.287
Modified: 2026-11-01T01:17:19.287
Link: CVE-2026-120252
No data.
OpenCVE Enrichment
Updated: 2026-11-01T03:00:13Z
Weaknesses