GHSA-x4gp-pqpj-f43q · Severity: low · Ecosystem: rust — curve25519-dalek has timing variability in `curve25519-dalek`'s `Scalar29::sub`/`Scalar52::sub`
The curve25519-dalek crate before 4.1.3 for Rust has a constant-time operation on elliptic curve scalars that is removed by LLVM.
Conclusion & alert: CVE-2024-58262 is rated Low Risk (19.8/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.08%). Mandatory action: Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-23 | 0.01% | 0.08% | +0.07% |
| 2 | 2025-07-28 | — | 0.01% | — |
Full EPSS history (2 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 2.9 | 3.1 | LOW |
|
1.4 | 1.4 | [email protected] |
| 5.1 | 3.1 | MEDIUM |
|
1.4 | 3.6 | [email protected] |
GHSA-x4gp-pqpj-f43q · Severity: low · Ecosystem: rust — curve25519-dalek has timing variability in `curve25519-dalek`'s `Scalar29::sub`/`Scalar52::sub`
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2024-58262 not yet assigned priority: Debian including 1 source packages (rust-curve25519-dalek), 3 status rows across 3 suites (forky, sid, trixie): resolved 3. | https://security-tracker.debian.org/tracker/CVE-2024-58262 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2024-58262 |
suse
|
low | CVE-2024-58262 severity low: SUSE including 1 source package names (rustup), 11 product×package rows across 11 product lines (SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS, SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS, … (11 product lines)): Known Not Affected 11. | https://www.suse.com/security/cve/CVE-2024-58262/ |
ubuntu
|
medium | CVE-2024-58262 medium priority: Ubuntu including 1 source packages (rust-curve25519-dalek), 4 status rows across 4 suites (jammy, noble, plucky, upstream): DNE 2, not-affected 1, released 1. | https://ubuntu.com/security/CVE-2024-58262 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| dalek | curve25519-dalek | < 4.1.3 | cpe:2.3:a:dalek:curve25519-dalek:*:*:*:*:*:rust:*:* |
| URL | Tags |
|---|---|
| https://crates.io/crates/curve25519-dalek | Product |
| https://github.com/dalek-cryptography/curve25519-dalek/pull/659 | Issue Tracking Patch |
| https://rustsec.org/advisories/RUSTSEC-2024-0344.html | Third Party Advisory |