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CVE-2024-58262: The curve25519-dalek crate before 4.1.3 for Rust has a constant-time operation on elliptic curve scalars that

12
Routine
LOW 2.9UPGRADE

CVE-2024-58262 is a low-severity flaw (CVSS 2.9) affecting curve25519-dalek. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The curve25519-dalek crate before 4.1.3 for Rust has a constant-time operation on elliptic curve scalars that is removed by LLVM.

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score2.9 (Low)
Attack vectorLocal
Attack complexityHigh
Privileges neededNone
User interactionNone
EPSS exploit chance0.2% (top 92%)
CISA exploited listNo
WeaknessCWE-733
Published2025-07-27
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: dalek

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Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

dalek curve25519-dalek UPGRADE
Affected: < 4.1.3
Fixed in: 4.1.3
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy curve25519-dalek || rpm -q curve25519-dalek || curve25519-dalek --version
2. UPGRADE to 4.1.3 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade curve25519-dalek
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade curve25519-dalek
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-58262?

curve25519-dalek: upgrade to 4.1.3. Exact commands for each OS are on this page.

Is CVE-2024-58262 being exploited?

CVE-2024-58262 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-58262 affect?

CVE-2024-58262 affects curve25519-dalek. Severity is low (CVSS 2.9). The curve25519-dalek crate before 4.1.3 for Rust has a constant-time operation on elliptic curve scalars that is removed by LLVM.

How urgent is CVE-2024-58262?

Priority 12/100. No elevated risk signals yet.

References

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