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No exploitation reportedFix available

CVE-2016-2781

No exploitation reported by the sources we read.

  • Published2017-02-07
  • WeaknessCWE-20

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

chroot in GNU coreutils, when used with --userspec, allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes characters to the terminal's input buffer.

Timeline

dates in UTC
  1. 2017-02-0715:59CVE publishedNVD

Versions per branch

NVD
Gnu coreutils
BranchAffectedFixed in
—all versionsno fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • coreutilsWolfiall versions · fixed in 9.6-r30
  • coreutilsUbuntu:25.10all versions · no fixed version listed
  • coreutilsUbuntu:24.04:LTSall versions · no fixed version listed
  • coreutilsUbuntu:22.04:LTSall versions · no fixed version listed
  • coreutilsUbuntu:20.04:LTSall versions · no fixed version listed
  • coreutilsUbuntu:18.04:LTSall versions · no fixed version listed
  • coreutilsUbuntu:16.04:LTSall versions · no fixed version listed
  • coreutilsUbuntu:14.04:LTSall versions · no fixed version listed

7 more package ranges on OSV.dev

Vendor advisories

  • CVE-2016-2781 Red Hat Product Security4 known affected

    coreutils: Non-privileged session can escape to the parent session in chroot

    coreutils as a component of Red Hat Enterprise Linux 6 · coreutils-libs as a component of Red Hat Enterprise Linux 6 · coreutils.src as a component of Red Hat Enterprise Linux 6 · +1 more

Full record on NVD

Fix

  1. No fix planned, says the vendor Red Hat Product Security CVE-2016-2781 · 4 productsWill not fix

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Published
2017-02-07
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-vf3q-65gx-324p

Frequently asked questions

What is CVE-2016-2781?

chroot in GNU coreutils, when used with --userspec, allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes characters to the terminal's input buffer.

Is CVE-2016-2781 actively exploited?

Active exploitation of CVE-2016-2781 has not been confirmed. Its EPSS score was 0.4% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2016-2781?

CVE-2016-2781 has a CVSS v3 base score of 4.6 (MEDIUM severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

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Sources for this record