🛡️ GHSA-2c6h-4899-wjxr — scaly

🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-125 OSV
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

scaly: Multiple soundness issues in Rust safe APIs

Affected versions contain multiple safe APIs that can trigger undefined behavior:

  • Array<T>::index can perform an out-of-bounds read.
  • String::get_length can perform an out-of-bounds read.
  • String::append_character can perform an invalid write.
  • String::to_c_string can perform an out-of-bounds write.

These issues were reproduced against scaly 0.0.37 under Miri. The crate is unmaintained.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

GHSA-2c6h-4899-wjxr is classified as CWE-125: Out-of-bounds Read. The code reads past the limits of a buffer, exposing adjacent memory contents or crashing the process.

Affected software

GHSA-2c6h-4899-wjxr is recorded against 1 package.

  • scaly

Timeline and source

Published on 4 April 2026 and last revised on 5 April 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

github.com (Web)
github.com (Web)
rustsec.org (Web)

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CWE CWE-125
Public Exploit ✅ No
Source OSV
Published 2026-04-04
Updated 2026-08-20
Modified 2026-04-05
Fix URL N/A

Affected Packages

Software From version Fixed in
scaly — —

Similar Threats

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