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Fencer Intel
high 7.5

CVE-2019-16882 json

Use after free in string-interner

published 7y ago modified 4mo 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

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Exploit prediction

1.55% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-09).

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

References

Sources

Fencer Intel 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.