CVE-2019-25002: An issue was discovered in the sodiumoxide crate before 0.2.5 for Rust
CVE-2019-25002 is a critical-severity flaw (CVSS 9.8) affecting sodiumoxide. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An issue was discovered in the sodiumoxide crate before 0.2.5 for Rust. generichash::Digest::eq compares itself to itself and thus has degenerate security properties.
Why this priority
- Critical severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.5% (top 26%) |
| CISA exploited list | No |
| Published | 2020-12-31 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
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-2019-25002?
sodiumoxide: upgrade to 0.2.5. Exact commands for each OS are on this page.
Is CVE-2019-25002 being exploited?
CVE-2019-25002 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-2019-25002 affect?
CVE-2019-25002 affects sodiumoxide. Severity is critical (CVSS 9.8). An issue was discovered in the sodiumoxide crate before 0.2.5 for Rust. generichash::Digest::eq compares itself to itself and thus has degenerate security properties.
How urgent is CVE-2019-25002?
Priority 58/100. Critical severity; Remotely exploitable, no login, no user action