CVE-2016-9176: Stack buffer overflow in the send.exe and receive.exe components of Micro Focus Rumba 9.4 and earlier could be

Q: How do I fix CVE-2016-9176?

rumba: upgrade to newer than 9.4.0. Exact commands for each OS are on this page.

Q: Is CVE-2016-9176 being exploited?

CVE-2016-9176 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-2016-9176 affect?

CVE-2016-9176 affects rumba. Severity is critical (CVSS 9.8). Stack buffer overflow in the send.exe and receive.exe components of Micro Focus Rumba 9.4 and earlier could be used by local attackers or attackers able to inject arguments to these binaries to execute code.

Q: How urgent is CVE-2016-9176?

Priority 61/100. Critical severity; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2016-9176 is a critical-severity flaw (CVSS 9.8) affecting rumba. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Stack buffer overflow in the send.exe and receive.exe components of Micro Focus Rumba 9.4 and earlier could be used by local attackers or attackers able to inject arguments to these binaries to execute code.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.8% (top 14%)
CISA exploited list	No
Weakness	CWE-119
Published	2016-11-04
Last modified	2026-06-17

Publisher (CNA): OpenText · Vendor: microfocus

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

Am I affected?

Timeline

2016-11-04 00:59 UTCPublished CVE record published
2026-06-17 00:55 UTCUpdated Record last modified

microfocus rumba UPGRADE

Affected: <= 9.4.0

Fixed in: newer than 9.4.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 9.4.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade rumba

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-2016-9176?

rumba: upgrade to newer than 9.4.0. Exact commands for each OS are on this page.

Is CVE-2016-9176 being exploited?

CVE-2016-9176 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-2016-9176 affect?

CVE-2016-9176 affects rumba. Severity is critical (CVSS 9.8). Stack buffer overflow in the send.exe and receive.exe components of Micro Focus Rumba 9.4 and earlier could be used by local attackers or attackers able to inject arguments to these binaries to execute code.

How urgent is CVE-2016-9176?

Priority 61/100. Critical severity; Remotely exploitable, no login, no user action

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References

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