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RustCrypto Utilities cmov: `thumbv6m-none-eabi` compiler emits non-constant time assembly when using `cmovnz`
RustCrypto Utilities cmov: `thumbv6m-none-eabi` compiler emits non-constant time assembly when using `cmovnz`
Affected packages
- cmov
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://github.com/RustCrypto/utils/security/advisories/GHSA-2gqc-6j2q-83qp
- https://nvd.nist.gov/vuln/detail/CVE-2026-23519
- https://github.com/RustCrypto/utils/commit/55977257e7c82a309d5e8abfdd380a774f0f9778
- https://github.com/RustCrypto/utils
- https://rustsec.org/advisories/RUSTSEC-2026-0003.html
Structured record: https://osv.dev/vulnerability/GHSA-2gqc-6j2q-83qp
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