CVE-2026-120457

MediumCVSS 5.3/10Last modified Nov 2, 2026

Description

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.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:H

Weakness enumeration

CWE-196

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
Deutsches Klimarechenzentrum	libaec	<= 1.1.7

References

Timeline

Published: Nov 2, 2026
Last modified: Nov 2, 2026
NVD status: Awaiting Analysis

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