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Fencer Vulns
high 8.6

CVE-2023-0302 json

Failure to Sanitize Special Elements into a Different Plane (Special Element Injection) in radareorg/radare2

published 2023-01-15 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-12376

cvss
8.6
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 31%
public exploits
0
none known

Summary

Failure to Sanitize Special Elements into a Different Plane (Special Element Injection) in GitHub repository radareorg/radare2 prior to 5.8.2.

Patch / fix

  • radareorg radareorg/radare2 5.8.2
  • radare2 Alpine 3.24, Alpine 3.23, Alpine 3.22 +4 more 5.8.2-r0

alpine advisories ALPINE-CVE-2023-0302

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

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-2023-0302 updated cvss 8.6

radare2: ANSI Escape Sequence Injection in radareorg/radare2

  • 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
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
19 mo ago

Exploit prediction

0.37% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • huntr.dev https://huntr.dev/bounties/583133af-7ae6-4a21-beef-a4b0182cf82e referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 8.6 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

  • radareorg radareorg/radare2

Classification

Weakness
  • CWE-75 Failure to Sanitize Special Elements into a Different Plane
  • CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component

References

Sources

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.