MEDIUM 5.8 NVD
CVE-2026-120457
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
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.
References
- https://github.com/Deutsches-Klimarechenzentrum/libaec/blob/v1.1.7/src/decode.c#L556-L586
- https://github.com/Deutsches-Klimarechenzentrum/libaec/issues/64
- https://github.com/Deutsches-Klimarechenzentrum/libaec/pull/66
- https://github.com/Deutsches-Klimarechenzentrum/libaec/releases/tag/v1.1.7
- https://hackmd.io/@haindpwn/libaec-se-decode-fs-signedness-oob-read
This medium severity vulnerability with a CVSS score of 5.8 was published on 2026-11-02 via NVD.
vulnfeed aggregates 17991 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.