CVE-2023-47016 — radare2 5

radare2 5.8.9 has an out-of-bounds read in r_bin_object_set_items in libr/bin/bobj.c, causing a crash in r_read_le32 in libr/include/r_endian.h.

01What is this vulnerability?

radare2 5.8.9 has an out-of-bounds read in r_bin_object_set_items in libr/bin/bobj.c, causing a crash in r_read_le32 in libr/include/r_endian.h.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-11-22T00:00:00.000Z
• Last modified: 2024-10-11T14:19:14.510Z

09References

• github.com — https://github.com/radareorg/radare2/issues/22349
• github.com — https://github.com/radareorg/radare2/commit/40c9f50e127be80b9d816bce2ab2ee790831…
• gist.github.com — https://gist.github.com/gandalf4a/65705be4f84269cb7cd725a1d4ab2ffa