Free and open · new CVEs checked every 20 minutesStatusRSSOpen dataContact

CVE-2013-5823: Unspecified vulnerability in Oracle Java SE 7u40 and earlier, Java SE 6u60 and earlier, JRockit R28.2.8 and ea

40
This month
MEDIUM 5.0UPGRADEUPGRADEUPGRADE

CVE-2013-5823 is a medium-severity flaw (CVSS 5.0) affecting jrockit, jre, jdk. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unspecified vulnerability in Oracle Java SE 7u40 and earlier, Java SE 6u60 and earlier, JRockit R28.2.8 and earlier, JRockit R27.7.6 and earlier, and Java SE Embedded 7u40 and earlier allows remote attackers to affect availability via unknown vectors related to Security.

Why this priority

  • EPSS top 8%: very likely to be exploited

A fixed release or distro patch exists.

Risk facts

CVSS score5.0 (Medium)
EPSS exploit chance4.7% (top 8%)
CISA exploited listNo
Published2013-10-16
Last modified2026-06-16
Publisher (CNA): Oracle · Vendor: oracle · sun

Share: LinkedIn · X · Reddit

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

oracle jrockit UPGRADE
Affected: <= r27.7.6 · r27.7.1 · r27.7.2 · r27.7.3 · r27.7.4 · r27.7.5 · <= r28.2.8 · r28.0.0
Fixed in: newer than r28.2.8
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy jrockit || rpm -q jrockit || jrockit --version
2. UPGRADE to newer than r28.2.8 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade jrockit
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade jrockit
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
oracle jre UPGRADE
Affected: <= 1.7.0 · 1.7.0 · 1.7.0 update1 · 1.7.0 update10 · 1.7.0 update11 · 1.7.0 update13 · 1.7.0 update15 · 1.7.0 update17
Fixed in: newer than 1.7.0
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy jre || rpm -q jre || jre --version
2. UPGRADE to newer than 1.7.0 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade jre
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade jre
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
oracle jdk UPGRADE
Affected: <= 1.6.0 · 1.6.0 update22 · 1.6.0 update23 · 1.6.0 update24 · 1.6.0 update25 · 1.6.0 update26 · 1.6.0 update27 · 1.6.0 update29
Fixed in: newer than 1.7.0
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy jdk || rpm -q jdk || jdk --version
2. UPGRADE to newer than 1.7.0 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade jdk
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade jdk
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
sun jdk DOWNGRADE
Affected: 1.6.0 · 1.6.0 update_10 · 1.6.0 update_11 · 1.6.0 update_12 · 1.6.0 update_13 · 1.6.0 update_14 · 1.6.0 update_15 · 1.6.0 update_16
Fixed in: no fixed release known
Safe to downgrade to: a release before 1.6.0
1. Check installed version
apt-cache policy jdk || rpm -q jdk || jdk --version
2. No fixed release: DOWNGRADE to a release before 1.6.0 (Debian / Ubuntu)
apt-cache madison jdk sudo apt install jdk=<VERSION_BEFORE_1.6.0> sudo apt-mark hold jdk
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list jdk sudo dnf downgrade jdk-<VERSION_BEFORE_1.6.0> sudo dnf versionlock add jdk
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.
sun jre DOWNGRADE
Affected: 1.6.0 · 1.6.0 update_1 · 1.6.0 update_10 · 1.6.0 update_11 · 1.6.0 update_12 · 1.6.0 update_13 · 1.6.0 update_14 · 1.6.0 update_15
Fixed in: no fixed release known
Safe to downgrade to: a release before 1.6.0
1. Check installed version
apt-cache policy jre || rpm -q jre || jre --version
2. No fixed release: DOWNGRADE to a release before 1.6.0 (Debian / Ubuntu)
apt-cache madison jre sudo apt install jre=<VERSION_BEFORE_1.6.0> sudo apt-mark hold jre
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list jre sudo dnf downgrade jre-<VERSION_BEFORE_1.6.0> sudo dnf versionlock add jre
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-2013-5823?

jrockit: upgrade to newer than r28.2.8; jre: upgrade to newer than 1.7.0; jdk: upgrade to newer than 1.7.0. Exact commands for each OS are on this page.

Is CVE-2013-5823 being exploited?

CVE-2013-5823 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-2013-5823 affect?

CVE-2013-5823 affects jrockit, jre, jdk. Severity is medium (CVSS 5.0). Unspecified vulnerability in Oracle Java SE 7u40 and earlier, Java SE 6u60 and earlier, JRockit R28.2.8 and earlier, JRockit R27.7.6 and earlier, and Java SE Embedded 7u40 and earlier allows remote attackers to affect availability via unkno

How urgent is CVE-2013-5823?

Priority 40/100. EPSS top 8%: very likely to be exploited

Software pages

Java vulnerabilities

Related CVEs

References

← Back to latest CVEs

Get the weekly exploited-CVE digest by emailThe CVEs being attacked this week and how to fix them. No spam, unsubscribe any time.