PatchTheCVECVE-2021-28030: An issue was discovered in the truetype crate before 0.30.1 for Rust
CVE-2021-28030 is a high-severity flaw (CVSS 7.5) affecting truetype. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An issue was discovered in the truetype crate before 0.30.1 for Rust. Attackers can read the contents of uninitialized memory locations via a user-provided Read operation within Tape::take_bytes.
Why this priority
- High severity
- 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 | 1.2% (top 32%) |
| CISA exploited list | No |
| Weakness | CWE-908 |
| Published | 2021-03-05 |
| 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-2021-28030?
truetype: upgrade to 0.30.1. Exact commands for each OS are on this page.
Is CVE-2021-28030 being exploited?
CVE-2021-28030 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-2021-28030 affect?
CVE-2021-28030 affects truetype. Severity is high (CVSS 7.5). An issue was discovered in the truetype crate before 0.30.1 for Rust. Attackers can read the contents of uninitialized memory locations via a user-provided Read operation within Tape::take_bytes.
How urgent is CVE-2021-28030?
Priority 48/100. High severity; Remotely exploitable, no login, no user action