heap-buffer-overflow in radareorg/radare2

published 2022-04-05 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-24578

cvss: 7.5; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits: 0; none known

heap-buffer-overflow in GitHub repository radareorg/radare2 prior to 5.6.8. This vulnerability is capable of inducing denial of service.

Patch / fix

fixed in 1 distros 2 links 1

radareorg radareorg/radare2 5.6.8

opensuse alpine

radare2 openSUSE Tumbleweed 5.7.0-1.1

opensuse advisories openSUSE-SU-2024:12173-1

radare2 Alpine 3.24, Alpine 3.23, Alpine 3.22 +4 more 5.6.8-r0

alpine advisories ALPINE-CVE-2022-1244

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

github.com/radareorg/radare2@2b77b27 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-2022-1244 updated 2025-11-21 cvss 7.5

radare2: heap-buffer-overflow might cause denial of service.

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

Exploit prediction

0.81% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

huntr.dev https://huntr.dev/bounties/8ae2c61a-2220-47a5-bfe8-fe6d41ab1f82 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.0	7.5	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:N/A:P

Affected products

radareorg radareorg/radare2

Classification

Weakness

CWE-122 Heap-based Buffer Overflow

References

github.com /radareorg/radare2/commit/2b77b277d67ce061ee6ef839e7139ebc2103c1e3
patch, third-party-advisory
huntr.dev /bounties/8ae2c61a-2220-47a5-bfe8-fe6d41ab1f82
exploit, third-party-advisory

Sources

CVE List CVE-2022-1244
NVD CVE-2022-1244

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