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CVE-2025-5642VulnerabilityPublished

CVE-2025-5642: Radare2 · Memory Corruption

Affects Radare2Source CVE Database V5

0

Not known to be exploited · CVSS 2.0 Low.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 4.0 base score
2.0Low
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 14% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 5 Jun 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

What to do

Affected software

ProductAffectedFixed in
GitHubradareorg/radare2pkg:github/radareorg/radare2Other threatsAffected
  • =5.9.9
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

To mitigate this vulnerability, European organizations should: 1) Immediately apply the official patch identified by commit 5705d99cc1f23f36f9a84aab26d1724010b97798 to update Radare2 to a secure version beyond 5.9.9. 2) Restrict local access to systems running Radare2 to trusted users only, enforcing strict access controls and monitoring for unauthorized logins or privilege escalations. 3) Avoid using the experimental '-T' parameter in Radare2 until it is confirmed stable and secure. 4) Employ runtime memory protection tools such as AddressSanitizer during development and testing to detect potential memory issues early. 5) Maintain up-to-date security policies and endpoint protection to prevent attackers from gaining local access in the first place. 6) Conduct regular audits of tools used in security research environments to ensure they are patched and configured securely.

Description

A vulnerability classified as problematic has been found in Radare2 5.9.9. Affected is the function r_cons_pal_init in the library /libr/cons/pal.c of the component radiff2. The manipulation leads to memory corruption. The attack needs to be approached locally. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used. The real existence of this vulnerability is still doubted at the moment. The patch is identified as 5705d99cc1f23f36f9a84aab26d1724010b97798. It is recommended to apply a patch to fix this issue. The documentation explains that the parameter -T is experimental and "crashy". Further analysis has shown "the race is not a real problem unless you use asan". A new warning has been added.

References

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