CVE-2017-16357 — In radare 2

In radare 2.0.1, a memory corruption vulnerability exists in store_versioninfo_gnu_verdef() and store_versioninfo_gnu_verneed() in libr/bin/format/elf/elf.c, as demonstrated by an invalid free. This error is due to improper sh_size validation when allocating memory.

01What is this vulnerability?

In radare 2.0.1, a memory corruption vulnerability exists in store_versioninfo_gnu_verdef() and store_versioninfo_gnu_verneed() in libr/bin/format/elf/elf.c, as demonstrated by an invalid free. This error is due to improper sh_size validation when allocating memory.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

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: 2017-11-01T17:29:00.387
• Last modified: 2026-05-13T00:24:29.033

09References

• github.com — https://github.com/radare/radare2/commit/0b973e28166636e0ff1fad80baa0385c9c09c53…
• github.com — https://github.com/radare/radare2/issues/8742
• github.com — https://github.com/radare/radare2/commit/0b973e28166636e0ff1fad80baa0385c9c09c53…
• github.com — https://github.com/radare/radare2/issues/8742