CVE-2026-45612 | rz-libdemangle is a Rizin library for demangling symbols. Pr… | CVSS 5.5 MEDIUM

Description

rz-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.

Metadata

CVE ID: CVE-2026-45612
State: PUBLISHED
Assigner: GitHub_M
Reserved: 2026-05-12 20:31 UTC
Published: 2026-07-16 16:34 UTC
Last updated: 2026-07-16 18:01 UTC
Primary CWE: CWE-125
CWE-125: Out-of-bounds Read
Vendor / Product: rizinorg / rz-libdemangle
Sources: cve.org · NVD

Severity & Metrics

5.5 MEDIUM CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
rizinorg	rz-libdemangle	—	< 6bf56d32b32547ae4cb069ccfc2d2b6c7b63a4cb

Weakness (CWE)

CWE	Source	Description
CWE-125	cna	CWE-125: Out-of-bounds Read

CVSS scores (1)

Score	Severity	Version	Source	Vector
5.5	MEDIUM	3.1	cna	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

References (3)

https://github.com/rizinorg/rz-libdemangle/security/advisories/GHSA-4p92-mfjf-qvrc https://github.com/rizinorg/rz-libdemangle/security/advisories/GHSA-4p92-mfjf-qvrc
https://github.com/rizinorg/rz-libdemangle/pull/83 https://github.com/rizinorg/rz-libdemangle/pull/83
https://github.com/rizinorg/rz-libdemangle/commit/6bf56d32b32547ae4cb069ccfc2d2b6c7b63a4cb https://github.com/rizinorg/rz-libdemangle/commit/6bf56d32b32547ae4cb069ccfc2d2b6c7b63a4cb