CVE-2019-25002
Incorrect Comparison in sodiumoxide
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2019-25002- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2019-25002- Updated
- 2026-11-02
EUVDEUVD-2021-1922 No score
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.
- Record
EUVD-2021-1922- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wrvc-72w7-xpmj
Incorrect Comparison in sodiumoxide
An issue was discovered in the sodiumoxide crate starting with 0.2.0 and prior to 0.2.5 for Rust. generichash::Digest::eq compares itself to itself and thus has degenerate security properties.
- Record
GHSA-wrvc-72w7-xpmj- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-697
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2019-25002- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-wrvc-72w7-xpmj
Incorrect Comparison in sodiumoxide
An issue was discovered in the sodiumoxide crate starting with 0.2.0 and prior to 0.2.5 for Rust. generichash::Digest::eq compares itself to itself and thus has degenerate security properties.
- Record
GHSA-wrvc-72w7-xpmj- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-697
- Updated
- 2026-11-02
OSVRUSTSEC-2019-0026
generichash::Digest::eq always return true
PartialEq implementation for generichash::Digest has compared itself to itself.
Digest::eq always returns true and Digest::ne always returns false.
- Record
RUSTSEC-2019-0026- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
sodiumoxidecrates.io |
0.2.0 up to 0.2.5 | 0.2.5 |
sodiumoxidecrates.io |
0.0.0-0 up to 0.2.5 | 0.2.5 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-25002 is a critical vulnerability (CVSS 9.8) in Sodiumoxide Project Sodiumoxide, published October 11, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.50%, the 74th percentile. Fixed in sodiumoxide 0.2.5.
References
rustsec.org/advisories/RUSTSEC-2019-0026.html
nvd.nist.gov/vuln/detail/CVE-2019-25002
github.com/sodiumoxide/sodiumoxide/pull/381
crates.io/crates/sodiumoxide