CVE-2019-16882 json
Use after free in string-interner
published 2019-08-24 7 y ago modified 2026-06-17 4 mo ago also GHSA-49fq-pw77-6qxj , RUSTSEC-2019-0023 , EUVD-2021-1558
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 75%
- public exploits
- 0
- none known
Summary
An issue was discovered in the string-interner crate before 0.7.1 for Rust. It allows attackers to read from memory locations associated with dangling pointers, because of a cloning flaw.
Patch / fix
- crates.io string-interner 0.6.4, 0.7.1
- string-interner_project string-interner 0.7.1
Exploit prediction
1.55% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- rustsec.org https://rustsec.org/advisories/RUSTSEC-2019-0023.html referenced PoC, tagged "exploit" by a source, unverified
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:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
| OSV | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| crates.io | string-interner | >=0.7.0, <0.7.1 <0.6.4 >=0.0.0-0, <0.6.4 >=0.7.0-0, <0.7.1 |
0.7.1 0.6.4 |
Classification
- Weakness
-
- CWE-416 Use After Free
References
-
rustsec.org
/advisories/RUSTSEC-2019-0023.html
web, exploit, patch, third-party-advisory, advisory
-
github.com
/Robbepop/string-interner/pull/10
web
-
github.com
/Robbepop/string-interner/commit/d91dac0cfe42512526879cdfaac0b81beff54089
web
-
nvd.nist.gov
/vuln/detail/CVE-2019-16882
advisory
-
github.com
/Robbepop/string-interner/issues/9
web, report
-
github.com
/Robbepop/string-interner
package
-
crates.io
/crates/string-interner
package
Sources
- CVE List CVE-2019-16882
- GitHub Advisory GHSA-49fq-pw77-6qxj
- NVD CVE-2019-16882
- OSV RUSTSEC-2019-0023
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.