Rizin: Double free in cmd_search.c

published 2026-05-29 5 mo ago modified 2026-07-22 3 mo ago also EUVD-2026-33424

cvss: 3.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 0%
public exploits: 0; none known

Rizin is a UNIX-like reverse engineering framework and command-line toolset. There is a double free in librz/core/cmd/cmd_search.c:byte_pattern_search() due wrong pointer ownership declared. This vulnerability is fixed by commit 045fff363b42b8a6dda8ad5229c29ec3267e7dbe.

Patch / fix

links 1

github.com/rizinorg/rizin@045fff3 commit

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-45324 updated 2026-06-28 cvss 4.1

rizin: Rizin: Denial of Service due to double free in byte_pattern_search() function

Red Hat All currently supported Red Hat products
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 5 mo ago (2026-05-29)

Exploit prediction

0.10% chance of exploitation in the next 30 days, higher than 0% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	3.3	CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:C/C:N/I:L/A:L

Affected products

rizinorg rizin

Classification

Weakness

CWE-415 Double Free

References

Sources

CVE List CVE-2026-45324
NVD CVE-2026-45324

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary