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HIGH severity

Missing Initialization of Resource in pnetGHSA-24g6-5rx7-58wj

HIGH

GHSA-24g6-5rx7-58wj is a high-severity (CVSS 7.5) CWE-909 vulnerability in pnet. A fix is available for pnet — see the affected versions and patch details below.

Also known asCVE-2019-25054GHSA-r6ff-2q3c-v3pvRUSTSEC-2019-0037
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Oct 11, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.0%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs60th percentile — riskier than 60% of all scored CVEsHighest risk
0.00%0.49%0.97%1.46%0.5%1.0%Apr 26Aug 26Oct 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

GHSA-24g6-5rx7-58wj by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 385,987 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.

Real-World Exposure

1 pkg affected
🦀pnet

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects crates.io packages — download data is not available via public APIs for these ecosystems.

Description

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.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🦀crates.iopnetall versions0.27.2cargo update -p pnet --precise 0.27.2

Affected Products

1 product · 1 configurations
Application
pnetpnet_project
< 0.27.2
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for pnet, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update pnet to 0.27.2 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-24g6-5rx7-58wj is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

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.
O3 Security · Impact-Aware SCA

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Missing Initialization of Resource in pnet (High 7.5)