PatchTheCVECVE-2021-26953: An issue was discovered in the postscript crate before 0.14.0 for Rust
CVE-2021-26953 is a high-severity flaw (CVSS 7.5) affecting postscript. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An issue was discovered in the postscript crate before 0.14.0 for Rust. It might allow attackers to obtain sensitive information from uninitialized memory locations via a user-provided Read implementation.
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 | 1.5% (top 26%) |
| 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-2021-26953?
postscript: upgrade to 0.14.0. Exact commands for each OS are on this page.
Is CVE-2021-26953 being exploited?
CVE-2021-26953 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-2021-26953 affect?
CVE-2021-26953 affects postscript. Severity is high (CVSS 7.5). An issue was discovered in the postscript crate before 0.14.0 for Rust. It might allow attackers to obtain sensitive information from uninitialized memory locations via a user-provided Read implementation.
How urgent is CVE-2021-26953?
Priority 55/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action