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CVE-2026-23519

🗓️ 15 Jan 2026 19:13:54Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 10 Views

RustCrypto conditional move on thumbv6m none-eabi may be non-constant time; fixed in version 0.4.4.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-23519
15 Jan 202619:13
attackerkb
Chainguard
CVE-2026-23519 vulnerabilities
16 Jan 202613:17
cgr
Circl
CVE-2026-23519
15 Jan 202600:43
circl
CNNVD
RustCrypto security vulnerabilities
15 Jan 202600:00
cnnvd
Cvelist
CVE-2026-23519 RustCrypto cmov: thumbv6m-none-eabi compiler emits non-constant time assembly when using cmovnz
15 Jan 202619:13
cvelist
EUVD
EUVD-2026-2731
15 Jan 202619:13
euvd
Github Security Blog
RustCrypto Utilities cmov: `thumbv6m-none-eabi` compiler emits non-constant time assembly when using `cmovnz`
15 Jan 202618:17
github
NVD
CVE-2026-23519
15 Jan 202620:16
nvd
OSV
CGA-4VFR-522G-H7RM
16 Jan 202612:51
osv
OSV
CGA-982G-7F6C-JR4J
16 Jan 202612:53
osv
Rows per page
NVD
Vulners
Node
rustcryptocmovRange<0.4.4rust
[
  {
    "vendor": "RustCrypto",
    "product": "utils",
    "versions": [
      {
        "version": "< 0.4.4",
        "status": "affected"
      }
    ]
  }
]

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23 Jan 2026 18:59Current
6.7Medium risk
Vulners AI Score6.7
CVSS 3.19.8
CVSS 48.9
EPSS0.00036
SSVC
10