Your RSA-2048 keys break in 2030. Find every one of them before attackers do.
🦀
🦀 crates.io
Not in CISA KEV
MEDIUM severity

Compiler optimisation leads to SEGFAULTGHSA-r6ff-2q3c-v3pv

MEDIUMFix: libpnet/libpnet#455

GHSA-r6ff-2q3c-v3pv is a medium-severity (CVSS 6) CWE-909 vulnerability in pnet. A fix is available for pnet — see the affected versions and patch details below.

Also known asCVE-2019-25054GHSA-24g6-5rx7-58wjRUSTSEC-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-r6ff-2q3c-v3pv 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-r6ff-2q3c-v3pv 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

Affected versions of the `pnet` crate were optimized out by compiler, which caused dereference of uninitialized file descriptor which caused segfault.
O3 Security · Impact-Aware SCA

Is GHSA-r6ff-2q3c-v3pv in your dependencies?

Find it across crates.io, including transitive dependencies.

Scan my dependencies How O3 SCA works
Compiler optimisation leads to SEGFAULT (Medium 6)