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Fencer Vulns
critical 9.8

CVE-2018-25024 json

Out-of-bounds Write in actix-web

published 2018-06-08 8 y ago modified 2026-06-17 4 mo ago also CVE-2018-25025 , CVE-2018-25026 , GHSA-7x36-h62w-vw65 , GHSA-9qj6-4rfq-vm84 , GHSA-fgfm-hqjw-3265 , GHSA-w65j-g6c7-g3m4 , RUSTSEC-2018-0019 , EUVD-2022-0548

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits
0
none known

Summary

An issue was discovered in the actix-web crate before 0.7.15 for Rust. It can unsoundly coerce an immutable reference into a mutable reference, leading to memory corruption.

Patch / fix

  • crates.io actix-web 0.7.19, 0.7.20-0
  • actix actix-web 0.7.15

Exploit prediction

1.33% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
GitHub 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
crates.io actix-web
<0.7.19
>=0.0.0-0, <0.7.20-0
0.7.19
0.7.20-0

Classification

Weakness
  • CWE-787 Out-of-bounds Write
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization

References

Sources

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.