Cloudanix VulnDB

CVE-2026-120457

Medium · 5.3

CVSS

5.3

EPSS

0.2%

Published

Nov 2, 2026

CISA due date

—

The record

libaec through 1.1.7 contains an out-of-bounds read vulnerability in m_se_decode() in src/decode.c that allows attackers to bypass a signed bounds check via an overlong fundamental sequence. Attackers can supply a crafted CCSDS 121.0/SZIP stream with 2^31 or more zero bits to crash the decoder or leak adjacent memory into decoded samples.

Affected packages

Ecosystem Package Introduced Fixed

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