Is CVE-2016-7798 in the CISA KEV catalog?

No. CVE-2016-7798 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-7798?

CVE-2016-7798 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2016-7798?

CVE-2016-7798 has an EPSS score of 3.17% (86th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-7798?

Upgrade ruby-attr-encrypted on debian 11 to 3.0.1-2 or later. Fixes are available for 7 affected products.

CVE & CISA-KEV Catalog

CVE-2016-7798

HIGHEPSS 86th pctl

7.5

CVSS v3

NVD

Description

The openssl gem for Ruby uses the same initialization vector (IV) in GCM Mode (aes-*-gcm) when the IV is set before the key, which makes it easier for context-dependent attackers to bypass the encryption protection mechanism.

CWE-326

How to fix

Remediation Available

ruby-attr-encryptedDebian

Fixed in:3.0.1-2CVE-2016-7798

libruby1.9.1Ubuntu

Fixed in:1.9.3.484-2ubuntu1.3USN-3365-1

libruby2.0Ubuntu

Fixed in:2.0.0.484-1ubuntu2.4USN-3365-1

libruby2.3Ubuntu

Fixed in:2.3.1-2~16.04.2USN-3365-1

ruby1.9.1Ubuntu

Fixed in:1.9.3.484-2ubuntu1.3USN-3365-1

ruby2.0Ubuntu

Fixed in:2.0.0.484-1ubuntu2.4USN-3365-1

ruby2.3Ubuntu

Fixed in:2.3.1-2~16.04.2USN-3365-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

3.17%probability of exploitation in 30 days

86thpercentile

Elevated risk: more likely to be exploited than 86% of all known CVEs.

References

Patch2

Exploit1

github.com

Third-Party Advisory5

Embed a live status badge for CVE-2016-7798

Markdown

[![CVE-2016-7798](https://tridentstack.com/cve/badge/CVE-2016-7798.svg)](https://tridentstack.com/cve/CVE-2016-7798)

HTML

<a href="https://tridentstack.com/cve/CVE-2016-7798"><img src="https://tridentstack.com/cve/badge/CVE-2016-7798.svg" alt="CVE-2016-7798"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.