PatchTheCVECVE-2021-26952: An issue was discovered in the ms3d crate before 0.1.3 for Rust
CVE-2021-26952 is a high-severity flaw (CVSS 7.5) affecting ms3d. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- High severity
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.6% (top 25%) |
| CISA exploited list | No |
| Weakness | CWE-908 |
| Published | 2021-02-09 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2021-26952?
ms3d: upgrade to 0.1.3. Exact commands for each OS are on this page.
Is CVE-2021-26952 being exploited?
CVE-2021-26952 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2021-26952 affect?
CVE-2021-26952 affects ms3d. Severity is high (CVSS 7.5). 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.
How urgent is CVE-2021-26952?
Priority 55/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action