CVE-2026-120457
5.3 MEDIUMpublic exploit availablePublished 2026-11-02 · Updated 2026-11-02
AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.
NVD 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.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:H
Weaknesses
CWE-196
Public exploit & PoC references
All 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
- https://www.vulncheck.com/advisories/libaec-through-1.1.7-out-of-bounds-read-via-m-se-decode-second-extension-decoder
- https://hackmd.io/@haindpwn/libaec-se-decode-fs-signedness-oob-read
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
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