CVE-2026-14759: A security flaw has been discovered in radareorg radare2 up to 6.1.6

Routine

LOW 3.3UPGRADE

CVE-2026-14759 is a low-severity flaw (CVSS 3.3) affecting radare2. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 cd62d15a6cbecdc67fd03f3ebdbbbeb

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	3.3 (Low)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 87%)
CISA exploited list	No
Weakness	CWE-119, CWE-122
Published	2026-07-05
Last modified	2026-10-25

Publisher (CNA): VulDB · Vendor: radare

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-05 16:19 UTCPublished CVE record published
2026-10-25 15:10 UTCUpdated Record last modified

radare radare2 UPGRADE

Affected: >= 6.1.0 and < 6.1.8

Fixed in: 6.1.8

Safe to downgrade to: a release before 6.1.0

1. Check installed version

apt-cache policy radare2 || rpm -q radare2 || radare2 --version

2. UPGRADE to 6.1.8 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade radare2

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade radare2

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 6.1.0 (Debian / Ubuntu)

apt-cache madison radare2 sudo apt install radare2=<VERSION_BEFORE_6.1.0> sudo apt-mark hold radare2

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list radare2 sudo dnf downgrade radare2-<VERSION_BEFORE_6.1.0> sudo dnf versionlock add radare2

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-14759?

radare2: upgrade to 6.1.8. Exact commands for each OS are on this page.

Is CVE-2026-14759 being exploited?

CVE-2026-14759 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-14759 affect?

CVE-2026-14759 affects radare2. Severity is low (CVSS 3.3). 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 man

How urgent is CVE-2026-14759?

Priority 20/100. Public exploit reference

Software pages

Java vulnerabilities

Related CVEs

CVE-2026-14757 MEDIUM 5.3 UPGRADE A vulnerability was determined in radareorg radare2 up to 6.1.6
CVE-2026-14789 LOW 3.3 UPGRADE A vulnerability was detected in radareorg radare2 up to 6.1.6
CVE-2026-14758 LOW 3.3 UPGRADE A vulnerability was identified in radareorg radare2 up to 6.1.6
CVE-2026-14760 LOW 3.3 UPGRADE A weakness has been identified in radareorg radare2 up to 6.1.6
CVE-2026-14761 LOW 3.3 UPGRADE A security vulnerability has been detected in radareorg radare2 up to 6.1.6

References

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