Is smallbitvec affected by CVE-2026-44983?

crates.io smallbitvec is affected in >=1.0.1 <=2.6.0.

Is CVE-2026-44983 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.2%.

high

CVE-2026-44983

Q: Is CVE-2026-44983 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.2%.

crates.io · smallbitvec

Summary

smallbitvec: Integer overflow in safe API leads to heap buffer overflow

Severity: high
EPSS: 0.2% (p5)
Also known as: GHSA-97wc-2hqc-cjgr
Published: 2026-05-09

References

https://github.com/servo/smallbitvec/security/advisories/GHSA-97wc-2hqc-cjgr
https://nvd.nist.gov/vuln/detail/CVE-2026-44983
https://github.com/servo/smallbitvec

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.