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CRITICAL severity

Use of Uninitialized Resource in acc_readerGHSA-799f-r78p-gq9c

CRITICAL

GHSA-799f-r78p-gq9c is a critical-severity (CVSS 9.8) CWE-908 vulnerability in acc_reader. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.

Also known asCVE-2020-36513CVE-2020-36514GHSA-hv9v-7w3v-rj6fGHSA-p4cr-64x4-f92fRUSTSEC-2020-0155
Published
Updated
Affected
1 pkg
Patched
See advisory
Exploits
None indexed
Exploitation data as of Nov 5, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.2%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs69th percentile — riskier than 69% of all scored CVEsHighest risk
0.00%0.58%1.15%1.73%0.4%1.2%May 26Sep 26Nov 26

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

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
🦀acc_reader

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 acc_reader crate through 2020-12-27 for Rust. read_up_to may read from uninitialized memory locations.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
🦀crates.ioacc_readerall versionsNo fix

Affected Products

1 product · 1 configurations
Application
acc readeracc_reader_project
≤ 2.0.0
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 acc_reader, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Remediation status

    The records we use list no patched version of acc_reader for GHSA-799f-r78p-gq9c. Check the maintainer's advisory, and where your build allows, override or pin the dependency away from the vulnerable range.

  3. Mitigate without a patch

    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 acc_reader crate through 2020-12-27 for Rust. read_up_to may read from uninitialized memory locations.
O3 Security · Impact-Aware SCA

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Use of Uninitialized Resource in acc_reader (Critical 9.8)