CVE-2019-15550 json
Out of bounds read in simd-json
published 2019-06-24 7 y ago modified 2026-06-17 4 mo ago also GHSA-gwfj-pw2x-h6c2 , RUSTSEC-2019-0008 , EUVD-2021-1732
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 72%
- public exploits
- 0
- none known
Summary
An issue was discovered in the simd-json crate before 0.1.15 for Rust. There is an out-of-bounds read and an incorrect crossing of a page boundary.
Patch / fix
- crates.io simd-json 0.1.15
- simdjson_project simdjson 0.1.15
- github.com/Licenser/simdjson-rs#27 pull request
Exploit prediction
1.40% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| OSV | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| crates.io | simd-json | >=0.1.13, <0.1.15 >=0.1.14-0, <0.1.15 |
0.1.15 |
Classification
- Weakness
-
- CWE-125 Out-of-bounds Read
References
-
github.com
/Licenser/simdjson-rs/pull/27
web
-
rustsec.org
/advisories/RUSTSEC-2019-0008.html
web, third-party-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2019-15550
advisory
-
github.com
/Licenser/simdjson-rs
package
-
crates.io
/crates/simd-json
package
Sources
- CVE List CVE-2019-15550
- GitHub Advisory GHSA-gwfj-pw2x-h6c2
- NVD CVE-2019-15550
- OSV RUSTSEC-2019-0008
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.