Buffer Overflow in radareorg radare2 (CVE-2026-14759)
Summary
Vulnerability in radareorg radare2 (CVE-2026-14759). Risk of unauthorized operations or information disclosure.
Original description
The description as published by the source.
A security flaw has been discovered in radareorg radare2 up to 6.1.6. This issue affects the function r_bin_java_inner_classes_attr_calc_size of the file shlr/java/class.c of the component RBinJava Line Number Table Parser. Performing a manipulation results in heap-based buffer overflow. The attack requires a local approach. The exploit has been released to the public and may be used for attacks. The patch is named cd62d15a6cbecdc67fd03f3ebdbbbeb741d18f87. To fix this issue, it is recommended to deploy a patch.
Source: NIST National Vulnerability Database NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-14759 has been found in radareorg radare2.
Risk of unauthorized operations or information disclosure. CVSS score: 3.3/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "radareorg radare2 CVE-2026-14759" on the vendor's site.
CVE-2026-14759 (radareorg radare2) — CWE-119 / CVSS v3 3.3
Attack vector: local / no user interaction
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (CWE-119) exists in radareorg radare2.
Check the vendor advisory for the affected versions of radareorg radare2.
Severity: Low (CVSS 3.3/10). Risk of unauthorized operations or information disclosure.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで radareorg radare2 を使っているサービスとバージョンを洗い出す。
-
2Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Ubuntu UBUNTU-CVE-2026-14759 radare2
References
- advisory cna@vuldb.com
- advisory cna@vuldb.com
- advisory cna@vuldb.com
- exploit cna@vuldb.com
- patch cna@vuldb.com
- web cna@vuldb.com
- web cna@vuldb.com
- web nvd.nist.gov
- web github.com
- web github.com