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CVE-2013-2465: Oracle Java SE Unspecified Vulnerability

100
Patch now
CRITICAL 9.8EXPLOITEDREMOTEWATCHLISTDOWNGRADEDOWNGRADEMITIGATE

CVE-2013-2465 is a critical-severity flaw (CVSS 9.8) affecting jre, jre, linux enterprise desktop, reported as exploited in the wild. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 21 and earlier, 6 Update 45 and earlier, and 5.0 Update 45 and earlier, and OpenJDK 7, allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors related to 2D. NOTE: the previous information is from the June 2013 CPU. Oracle has not commented on claims from another vendor that this issue allows remote atta

Why this priority

  • Critical severity
  • EPSS top 1%: very likely to be exploited
  • Exploited in the wild (CISA KEV)
  • Used in ransomware campaigns
  • Public exploit reference
  • CISA SSVC: automatable with total technical impact
  • Remotely exploitable, no login, no user action
  • On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score9.8 (Critical)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance98.8% (top 1%)
CISA exploited listYes, fix due 2022-04-18, used in ransomware
WeaknessCWE-693
Published2013-06-18
Last modified2026-06-16
Publisher (CNA): Oracle · Vendor: oracle · sun · suse

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

Am I affected?

Timeline

oracle jre DOWNGRADE
Affected: 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 · 1.7.0 update2
Fixed in: no fixed release known
Safe to downgrade to: a release before 1.5.0
1. Check installed version
apt-cache policy jre || rpm -q jre || jre --version
2. No fixed release: DOWNGRADE to a release before 1.5.0 (Debian / Ubuntu)
apt-cache madison jre sudo apt install jre=<VERSION_BEFORE_1.5.0> sudo apt-mark hold jre
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list jre sudo dnf downgrade jre-<VERSION_BEFORE_1.5.0> 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.
sun jre DOWNGRADE
Affected: 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 · 1.6.0 update_16
Fixed in: no fixed release known
Safe to downgrade to: a release before 1.5.0
1. Check installed version
apt-cache policy jre || rpm -q jre || jre --version
2. No fixed release: DOWNGRADE to a release before 1.5.0 (Debian / Ubuntu)
apt-cache madison jre sudo apt install jre=<VERSION_BEFORE_1.5.0> sudo apt-mark hold jre
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list jre sudo dnf downgrade jre-<VERSION_BEFORE_1.5.0> 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.
suse linux enterprise desktop MITIGATE
Affected: 10 sp4
Fixed in: no fixed release known
Safe to downgrade to: a release before 10
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
suse linux enterprise java MITIGATE
Affected: 10 sp4 · 11 sp2 · 11 sp3
Fixed in: no fixed release known
Safe to downgrade to: a release before 10
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
suse linux enterprise server MITIGATE
Affected: 10 sp3 · 10 sp4
Fixed in: no fixed release known
Safe to downgrade to: a release before 10
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
suse linux enterprise server MITIGATE
Affected: 11 sp2 · 11 sp3
Fixed in: no fixed release known
Safe to downgrade to: a release before 11
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.
Fedora 46 · perl-Net-IDN-Encode · FIXED · 2.600-1.fc46 · FEDORA-2026-84eff0ea64 · source
sudo dnf upgrade --advisory=FEDORA-2026-84eff0ea64
Fedora ELN · libXISF · FIXED · 0.2.15-2.eln159 · FEDORA-2026-b9e2d1bda0 · source
sudo dnf upgrade --advisory=FEDORA-2026-b9e2d1bda0
RHEL 5 · java-1.7.0-openjdk · FIXED · java-1.7.0-openjdk-1.7.0.25-2.3.10.4.el5_9
sudo dnf upgrade --advisory=RHSA-2013:0958 rpm -q java-1.7.0-openjdk
RHEL 5 · java-1.6.0-openjdk · FIXED · java-1.6.0-openjdk-1.6.0.0-1.41.1.11.11.90.el5_9
sudo dnf upgrade --advisory=RHSA-2013:1014 rpm -q java-1.6.0-openjdk
RHEL 6 · java-1.7.0-openjdk · FIXED · java-1.7.0-openjdk-1.7.0.25-2.3.10.3.el6_4
sudo dnf upgrade --advisory=RHSA-2013:0957 rpm -q java-1.7.0-openjdk
RHEL 6 · java-1.6.0-openjdk · FIXED · java-1.6.0-openjdk-1.6.0.0-1.62.1.11.11.90.el6_4
sudo dnf upgrade --advisory=RHSA-2013:1014 rpm -q java-1.6.0-openjdk
Amazon Linux 1 · see advisory · FIXED · ALAS-2013-207 · source
sudo yum update --advisory=ALAS-2013-207

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Verify at the official source NVD · CVE Program · CISA KEV catalog · 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-2013-2465?

jre: downgrade or apply the listed mitigation; jre: downgrade or apply the listed mitigation; linux enterprise desktop: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2013-2465 being exploited?

Yes. CVE-2013-2465 is on the CISA Known Exploited Vulnerabilities list, so treat it as patch-now.

What does CVE-2013-2465 affect?

CVE-2013-2465 affects jre, jre, linux enterprise desktop. Severity is critical (CVSS 9.8). Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 21 and earlier, 6 Update 45 and earlier, and 5.0 Update 45 and earlier, and OpenJDK 7, allows remote attackers to affect confidentiality, i

How urgent is CVE-2013-2465?

Priority 100/100. Critical severity; EPSS top 1%: very likely to be exploited; Exploited in the wild (CISA KEV); Used in ransomware campaigns; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action; On your watchlist

Software pages

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References

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