PatchTheCVECVE-2019-25054: An issue was discovered in the pnet crate before 0.27.2 for Rust
CVE-2019-25054 is a high-severity flaw (CVSS 7.5) affecting pnet. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An issue was discovered in the pnet crate before 0.27.2 for Rust. There is a segmentation fault (upon attempted dereference of an uninitialized descriptor) because of an erroneous IcmpTransportChannelIterator compiler optimization.
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 | 1.0% (top 38%) |
| CISA exploited list | No |
| Weakness | CWE-909 |
| Published | 2021-12-27 |
| 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-2019-25054?
pnet: upgrade to 0.27.2. Exact commands for each OS are on this page.
Is CVE-2019-25054 being exploited?
CVE-2019-25054 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-2019-25054 affect?
CVE-2019-25054 affects pnet. Severity is high (CVSS 7.5). An issue was discovered in the pnet crate before 0.27.2 for Rust. There is a segmentation fault (upon attempted dereference of an uninitialized descriptor) because of an erroneous IcmpTransportChannelIterator compiler optimization.
How urgent is CVE-2019-25054?
Priority 47/100. High severity; Remotely exploitable, no login, no user action