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CVE-2016-5548 Oracle CVE debrief

CVE-2016-5548 is a Java SE / Java SE Embedded vulnerability in the Libraries subcomponent that Oracle rates as easily exploitable over the network, but it requires human interaction and affects sandboxed client-style Java deployments more than trusted server deployments. In the affected versions, a successful attack can lead to unauthorized access to critical data or to all Java-accessible data, with confidentiality as the primary impact.

Vendor
Oracle
Product
CVE-2016-5548
CVSS
MEDIUM 6.5
CISA KEV
Not listed in stored evidence
Original CVE published
2017-01-27
Original CVE updated
2026-05-13
Advisory published
2017-01-27
Advisory updated
2026-05-13

Who should care

Organizations that still run affected Oracle Java SE or Java SE Embedded versions on endpoints, especially systems using Java Web Start or Java applets to load untrusted code. Security teams responsible for desktop fleets, legacy application environments, and software distribution controls should care most.

Technical summary

Oracle’s description and NVD data indicate a network-reachable flaw in the Java Libraries component affecting Java SE 6u131, 7u121, 8u112 and Java SE Embedded 8u111, with NVD CPE coverage also marking Java SE / JRE 8u111 and 8u112 entries as vulnerable. The CVSS v3 vector is AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N, which matches a client-side issue where an attacker can influence a user into triggering the vulnerable code path, but the outcome is confidentiality loss rather than integrity or availability impact.

Defensive priority

Medium priority overall, but high priority for endpoints running legacy Java clients exposed to untrusted content. The user-interaction requirement lowers urgency compared with unattended remote exploitation, yet the potential confidentiality impact is significant.

Recommended defensive actions

  • Inventory Oracle Java SE and Java SE Embedded deployments and identify any systems at 6u131, 7u121, 8u111, or 8u112.
  • Prioritize patching or retiring client-side Java deployments that use Java Web Start or applets to load untrusted code.
  • Validate that servers and other deployments running only trusted code are not being counted as in-scope for this issue.
  • Use vendor guidance and downstream advisories to confirm which packages or bundles received the fix, including Oracle CPU January 2017 and affected vendor errata.
  • Restrict or disable legacy Java plugin-based workflows where possible to reduce exposure to user-interaction-dependent attacks.

Evidence notes

This debrief is based only on the supplied NVD record and listed references. The NVD entry provides the CVSS 3.0 vector AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N, the vulnerable CPEs, and the weakness classification NVD-CWE-noinfo. Oracle’s description in the corpus states the affected versions and clarifies that the issue applies to sandboxed client deployments loading untrusted code, not trusted-code server deployments. The reference list also includes Oracle’s January 2017 critical patch update page and downstream advisories from Red Hat, Debian, Gentoo, and NetApp, indicating remediation activity in the ecosystem.

Official resources

Publicly disclosed on 2017-01-27 22:59:00.367Z. The NVD record was modified on 2026-05-13 00:24:29.033Z; that later date reflects record maintenance, not the original issue date.