rz-libdemangle: Out of bound read in rust demangler

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Summary

CVECVE-2026-45612
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-16 17:16:56 UTC
Updated2026-07-16 19:16:45 UTC
Descriptionrz-libdemangle is a Rizin library for demangling symbols. Prior to 6bf56d3, the Rust demangler in src/rust/rust_v0.c can perform an out-of-bounds read when the demangler structure is not yet initialized. This issue is fixed in commit 6bf56d3.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Problem Types: CWE-125 | CWE-125 CWE-125: Out-of-bounds Read

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
3.1CNADECLARED5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Rizinorg Rz-libdemangle affected < 6bf56d32b32547ae4cb069ccfc2d2b6c7b63a4cb Not specified

References

ReferenceSourceLinkTags
github.com/rizinorg/rz-libdemangle/pull/83 [email protected] github.com
github.com/rizinorg/rz-libdemangle/security/advisories/GHSA-4p92-mfjf-qvrc [email protected] github.com
github.com/rizinorg/rz-libdemangle/commit/6bf56d32b32547ae4cb069ccfc2d2b... [email protected] github.com
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