CVE-2021-26952 json
Use of Uninitialized Resource in ms3d
published 2021-01-26 5 y ago modified 2026-06-17 4 mo ago also GHSA-9f5r-vqm5-m342 , RUSTSEC-2021-0016 , EUVD-2021-1656
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 75%
- public exploits
- 0
- none known
Summary
An issue was discovered in the ms3d crate before 0.1.3 for Rust. It might allow attackers to obtain sensitive information from uninitialized memory locations via IoReader::read.
Patch / fix
Exploit prediction
1.58% 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-2021-0016.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 | ms3d | <0.1.3 >=0.0.0-0, <0.1.3 |
0.1.3 |
Classification
- Weakness
-
- CWE-908 Use of Uninitialized Resource
References
-
github.com
/andrewhickman/ms3d/commit/599313b
web
-
rustsec.org
/advisories/RUSTSEC-2021-0016.html
web, exploit, vendor-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-26952
advisory
-
github.com
/andrewhickman/ms3d/issues/1
web, report
-
github.com
/andrewhickman/ms3d
package
-
crates.io
/crates/ms3d
package
Sources
- CVE List CVE-2021-26952
- GitHub Advisory GHSA-9f5r-vqm5-m342
- NVD CVE-2021-26952
- OSV RUSTSEC-2021-0016
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