GHSA-2c6h-4899-wjxr

scaly: Multiple soundness issues in Rust safe APIs

8.7 High

GHSA-2c6h-4899-wjxr is a high vulnerability (CVSS 8.7) in scaly, published January 19, 2026. No source lists public exploit code. No source names a fixed version.

What does this mean?

Severity: 8.7 HighCVSS 4.0, GitHub Advisories
Exploit chance: UnscoredNo EPSS score yet
Exploitation: None knownNot on CISA’s or ENISA’s lists
Fixed in: No fix listedNo source names one

Description

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Affected packages

Affected packages
Package	Affected	Fixed
`scaly` crates.io	through 0.0.37	None known
`scaly` crates.io	0.0.0-0 and later	None known

What each source reports

GitHub Advisories Score used8.7

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.

Record: GHSA-2c6h-4899-wjxr
CVSS 4.0: 8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Weakness: CWE-125, CWE-787
Updated: 2026-11-02

OSV8.7

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.

Record: GHSA-2c6h-4899-wjxr
CVSS 4.0: 8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Weakness: CWE-125, CWE-787
Updated: 2026-11-02

OSVRUSTSEC-2026-0080No score

Multiple soundness issues in `scaly` 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. And the crate is unmaintained.

Record: RUSTSEC-2026-0080
Updated: 2026-11-02

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	GitHub Advisories, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

Description

Attack profile

How easy it is to exploit

What an attacker can affect

Affected packages

What each source reports

History

References