CVE-2016-1235: The oarsh script in OAR before 2.5.7 allows remote authenticated users of a cluster to obtain sensitive inform

Q: How do I fix CVE-2016-1235?

oar: upgrade to newer than 2.5.6; debian linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2016-1235 being exploited?

CVE-2016-1235 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-2016-1235 affect?

CVE-2016-1235 affects oar, debian linux. Severity is high (CVSS 8.8). The oarsh script in OAR before 2.5.7 allows remote authenticated users of a cluster to obtain sensitive information and possibly gain privileges via vectors related to OpenSSH options.

Q: How urgent is CVE-2016-1235?

Priority 58/100. High severity; On your watchlist

This month

HIGH 8.8WATCHLISTUPGRADEMITIGATE

CVE-2016-1235 is a high-severity flaw (CVSS 8.8) affecting oar, debian linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The oarsh script in OAR before 2.5.7 allows remote authenticated users of a cluster to obtain sensitive information and possibly gain privileges via vectors related to OpenSSH options.

Why this priority

High severity
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	3.4% (top 11%)
CISA exploited list	No
Weakness	CWE-264
Published	2016-04-11
Last modified	2026-06-17

Publisher (CNA): Debian GNU/Linux · Vendor: debian · oar project

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

Am I affected?

Timeline

2016-04-11 15:59 UTCPublished CVE record published
2026-06-17 00:41 UTCUpdated Record last modified

oar project oar UPGRADE

Affected: <= 2.5.6

Fixed in: newer than 2.5.6

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.5.6 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade oar

Note

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

debian debian linux MITIGATE

Affected: 8.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2016-1235?

oar: upgrade to newer than 2.5.6; debian linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2016-1235 being exploited?

CVE-2016-1235 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-2016-1235 affect?

CVE-2016-1235 affects oar, debian linux. Severity is high (CVSS 8.8). The oarsh script in OAR before 2.5.7 allows remote authenticated users of a cluster to obtain sensitive information and possibly gain privileges via vectors related to OpenSSH options.

How urgent is CVE-2016-1235?

Priority 58/100. High severity; On your watchlist

Software pages

OpenSSH vulnerabilities · Debian vulnerabilities

References

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