CVE-2016-8659: Bubblewrap before 0.1.3 sets the PR_SET_DUMPABLE flag, which might allow local users to gain privileges by att

Q: How do I fix CVE-2016-8659?

bubblewrap: upgrade to newer than 0.1.1. Exact commands for each OS are on this page.

Q: Is CVE-2016-8659 being exploited?

CVE-2016-8659 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2016-8659 affect?

CVE-2016-8659 affects bubblewrap. Severity is high (CVSS 7.0). Bubblewrap before 0.1.3 sets the PR_SET_DUMPABLE flag, which might allow local users to gain privileges by attaching to the process, as demonstrated by sending commands to a PrivSep socket.

Routine

HIGH 7.0UPGRADE

CVE-2016-8659 is a high-severity flaw (CVSS 7.0) affecting bubblewrap. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Bubblewrap before 0.1.3 sets the PR_SET_DUMPABLE flag, which might allow local users to gain privileges by attaching to the process, as demonstrated by sending commands to a PrivSep socket.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.0 (High)
Attack vector	Local
Attack complexity	High
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Weakness	CWE-264
Published	2017-02-13
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: bubblewrap project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2017-02-13 18:59 UTCPublished CVE record published
2026-06-17 00:54 UTCUpdated Record last modified

bubblewrap project bubblewrap UPGRADE

Affected: <= 0.1.1

Fixed in: newer than 0.1.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 0.1.1 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade bubblewrap

Note

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

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-2016-8659?

bubblewrap: upgrade to newer than 0.1.1. Exact commands for each OS are on this page.

Is CVE-2016-8659 being exploited?

CVE-2016-8659 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-2016-8659 affect?

CVE-2016-8659 affects bubblewrap. Severity is high (CVSS 7.0). Bubblewrap before 0.1.3 sets the PR_SET_DUMPABLE flag, which might allow local users to gain privileges by attaching to the process, as demonstrated by sending commands to a PrivSep socket.

How urgent is CVE-2016-8659?

Priority 33/100. High severity

Related CVEs

CVE-2020-5291 HIGH 7.2 UPGRADE MITIGATE Bubblewrap (bwrap) before version 0.4.1, if installed in setuid mode and the kernel supports unprivileged user
CVE-2019-12439 HIGH 7.4 UPGRADE bubblewrap.c in Bubblewrap before 0.3.3 misuses temporary directories in /tmp as a mount point
CVE-2017-5226 CRITICAL 10.0 UPGRADE When executing a program via the bubblewrap sandbox, the nonpriv session can escape to the parent session by u

References

← Back to latest CVEs