CVE-2015-1916: Unspecified vulnerability in IBM Java 8 before SR1 allows remote attackers to cause a denial of service via un

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HIGH 7.5REMOTEDOWNGRADE

CVE-2015-1916 is a high-severity flaw (CVSS 7.5) affecting java. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unspecified vulnerability in IBM Java 8 before SR1 allows remote attackers to cause a denial of service via unknown vectors related to SSL/TLS and the Secure Socket Extension provider.

Why this priority

High severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.7% (top 14%)
CISA exploited list	No
Weakness	CWE-400
Published	2015-07-02
Last modified	2026-06-17

Publisher (CNA): IBM Corporation · Vendor: ibm

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

Am I affected?

Timeline

2015-07-02 21:59 UTCPublished CVE record published
2026-06-17 00:23 UTCUpdated Record last modified

ibm java DOWNGRADE

Affected: 8.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 8.0 (Debian / Ubuntu)

apt-cache madison java sudo apt install java=<VERSION_BEFORE_8.0> sudo apt-mark hold java

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list java sudo dnf downgrade java-<VERSION_BEFORE_8.0> sudo dnf versionlock add java

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2015-1916?

java: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2015-1916 being exploited?

CVE-2015-1916 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-2015-1916 affect?

CVE-2015-1916 affects java. Severity is high (CVSS 7.5). Unspecified vulnerability in IBM Java 8 before SR1 allows remote attackers to cause a denial of service via unknown vectors related to SSL/TLS and the Secure Socket Extension provider.

How urgent is CVE-2015-1916?

Priority 53/100. High severity; Remotely exploitable, no login, no user action

Software pages

Java vulnerabilities

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References

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