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Vulnerabilities/CVE-2015-2590
Vulnerability dossier

CVE-2015-2590

Critical Unspecified Vulnerability in Oracle Java SE Libraries

VendorredhatPublishedJul 16, 2015SourceNVD
Act now

Actively exploited in the wild. Patch or mitigate immediately — don't wait for a maintenance window.

Severity
Critical · 9.8
CVSS base score
Exploitation
In the wild
CISA KEV
Predicted risk
25% model
EPSS forecast — overtaken by confirmed exploitation
Exposure
Internet-facing
Exploitable remotely, no login, no user action
01

What's the risk?

An unauthenticated attacker, remotely over the network, with no user interaction, can fully compromise the system — steal data, tamper with it and take it offline.

Unspecified vulnerability in Oracle Java SE 6u95, 7u80, and 8u45, and Java SE Embedded 7u75 and 8u33 allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors related to Libraries, a different vulnerability than CVE-2015-4732.

How it's exploitedMITRE ATT&CK · inferred from weakness & vector
Initial Access
T1190Exploit Public-Facing Application

Inferred from the weakness type (CWE) and how the flaw is reached — the techniques an attacker would chain to exploit this. Real-world corroboration appears here as threat intel is folded in.

02

Who's exploiting it?

Corroborated threat activity referencing this CVE — with source and confidence, not inference.

Confirmed exploited in the wild. CISA KEV · catalogued Mar 3, 2022

Named threat actors and observed ATT&CK techniques appear here as intel feeds are folded in — the ATT&CK chain above stays inferred until then.

03

Are we affected?

71
  • Affectedcanonical · ubuntu_linux12.04
  • Affectedcanonical · ubuntu_linux15.04
  • Affectedcanonical · ubuntu_linux
14.04
  • Affecteddebian · debian_linux8.0
  • Affecteddebian · debian_linux7.0
  • Affectedopensuse · opensuse13.1
  • Affectedopensuse · opensuse13.2
  • Affectedoracle · jdk1.8.0
  • Affectedoracle · jdk1.7.0
  • Affectedoracle · jdk1.7.0
  • Affectedoracle · jdk1.6.0
  • Affectedoracle · jdk1.8.0
  • Affectedoracle · jre1.7.0
  • Affectedoracle · jre1.8.0
  • Affectedoracle · jre1.8.0
  • Affectedoracle · jre1.6.0
  • Affectedoracle · jre1.7.0
  • Affectedredhat · enterprise_linux_desktop6.0
  • Affectedredhat · enterprise_linux_desktop5.0
  • Affectedredhat · enterprise_linux_desktop7.0
  • Affectedredhat · enterprise_linux_eus7.3
  • Affectedredhat · enterprise_linux_eus7.2
  • Affectedredhat · enterprise_linux_eus7.1
  • Affectedredhat · enterprise_linux_eus6.7
  • Affectedredhat · enterprise_linux_eus6.6
  • Affectedredhat · enterprise_linux_eus7.5
  • Affectedredhat · enterprise_linux_eus7.4
  • Affectedredhat · enterprise_linux_for_ibm_z_systems6.0_s390x
  • Affectedredhat · enterprise_linux_for_ibm_z_systems_eus6.7_s390x
  • Affectedredhat · enterprise_linux_for_ibm_z_systems_eus7.5_s390x
  • Affectedredhat · enterprise_linux_for_ibm_z_systems_eus7.4_s390x
  • Affectedredhat · enterprise_linux_for_ibm_z_systems_eus7.3_s390x
  • Affectedredhat · enterprise_linux_for_ibm_z_systems_eus7.2_s390x
  • Affectedredhat · enterprise_linux_for_ibm_z_systems_eus7.1_s390x
  • Affectedredhat · enterprise_linux_for_power_big_endian7.0_ppc64
  • Affectedredhat · enterprise_linux_for_power_big_endian6.0_ppc64
  • Affectedredhat · enterprise_linux_for_power_big_endian_eus7.4_ppc64
  • Affectedredhat · enterprise_linux_for_power_big_endian_eus7.2_ppc64
  • Affectedredhat · enterprise_linux_for_power_big_endian_eus7.3_ppc64
  • Affectedredhat · enterprise_linux_for_power_big_endian_eus7.1_ppc64
  • Affectedredhat · enterprise_linux_for_power_big_endian_eus7.5_ppc64
  • Affectedredhat · enterprise_linux_for_power_big_endian_eus6.7_ppc64
  • Affectedredhat · enterprise_linux_for_power_little_endian7.0_ppc64le
  • Affectedredhat · enterprise_linux_for_power_little_endian_eus7.5_ppc64le
  • Affectedredhat · enterprise_linux_for_power_little_endian_eus7.1_ppc64le
  • Affectedredhat · enterprise_linux_for_power_little_endian_eus7.2_ppc64le
  • Affectedredhat · enterprise_linux_for_power_little_endian_eus7.3_ppc64le
  • Affectedredhat · enterprise_linux_for_power_little_endian_eus7.4_ppc64le
  • Affectedredhat · enterprise_linux_server7.0
  • Affectedredhat · enterprise_linux_server5.0
  • Affectedredhat · enterprise_linux_server6.0
  • Affectedredhat · enterprise_linux_server_aus6.6
  • Affectedredhat · enterprise_linux_server_aus7.4
  • Affectedredhat · enterprise_linux_server_aus7.3
  • Affectedredhat · enterprise_linux_server_aus7.6
  • Affectedredhat · enterprise_linux_server_aus7.7
  • Affectedredhat · enterprise_linux_server_tus7.3
  • Affectedredhat · enterprise_linux_server_tus6.6
  • Affectedredhat · enterprise_linux_server_tus7.6
  • Affectedredhat · enterprise_linux_server_tus7.7
  • 04

    What to do

    Generated by Wavense from the CVE record — an immediate mitigation and the permanent fix.

    1. !

      Mitigate now

      To reduce immediate risk, consider disabling Java applets in web browsers or configuring them to require user approval (click-to-play) if Java is not strictly necessary. Implement network-level controls such as firewalls or intrusion prevention systems to monitor and block suspicious outbound connections from Java applications. Isolate systems running vulnerable Java versions on segmented network zones to limit potential lateral movement in case of compromise.

    2. ✓

      Permanent fix

      The permanent resolution involves updating all affected Oracle Java SE installations to patched versions. Specifically, upgrade Java SE 6 to 6u97 or later, Java SE 7 to 7u85 or later, and Java SE 8 to 8u60 or later. For Java SE Embedded, update 7u75 to 7u85 or later, and 8u33 to 8u60 or later. Regularly apply all available security updates from Oracle to ensure ongoing protection against this and other known vulnerabilities.

    Technical details— weakness, CVSS vector & calculator, related CVEs

    Business impact

    Attackers can exploit this critical vulnerability via unknown remote vectors related to Java Libraries, potentially leading to complete compromise of confidentiality, integrity, and availability. This could allow for arbitrary code execution, sensitive data exfiltration, and disruption of critical services on affected systems. The broad impact can result in significant data breaches, operational downtime, and severe reputational and financial consequences for organizations.

    Weakness

    No CWE classification has been assigned.

    CVSS 3.1 details

    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    0.0
    / 10.0 base
    Critical severity
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Exploitability metrics
    Attack VectorAV
    Remotely exploitable across a network
    Attack ComplexityAC
    No special conditions required
    Privileges RequiredPR
    No authorization needed
    User InteractionUI
    No user participation needed
    Impact metrics
    ScopeS
    Impact confined to the vulnerable component
    ConfidentialityC
    Total loss of confidentiality
    IntegrityI
    Total loss of integrity
    AvailabilityA
    Total loss of availability

    Related vulnerabilities

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    In the Linux kernel, the following vulnerability has been resolved: tls: fix handling of zero-length records on the rx_list Each recvmsg() call must process either - only contiguous DATA records (any number of them) - one non-DATA record If the next record has different type than what has already been processed we break out of the main processing loop. If the record has already been decrypted (which may be the case for TLS 1.3 where we don't know type until decryption) we queue the pending record to the rx_list. Next recvmsg() will pick it up from there. Queuing the skb to rx_list after zero-copy decrypt is not possible, since in that case we decrypted directly to the user space buffer, and we don't have an skb to queue (darg.skb points to the ciphertext skb for access to metadata like length). Only data records are allowed zero-copy, and we break the processing loop after each non-data record. So we should never zero-copy and then find out that the record type has changed. The corner case we missed is when the initial record comes from rx_list, and it's zero length.

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    apacheCWE-44NetworkLow effortNo authNo interactionCIA
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    0.0
    / 10.0 base
    Critical severity
    Key facts
    CVE ID
    CVE-2015-2590
    Published
    Jul 16, 2015
    Last modified
    Apr 21, 2026
    CVSS
    9.8 (v3.1)
    EPSS
    25.47%
    In CISA KEV
    Yes
    Confidence
    98/100
    Timeline
    1. Jul 16, 2015Published to NVDNVD
    2. Apr 21, 2026Record last modifiedNVD
    3. Aug 17, 2026AI analysis generatedWavense
    View on NVD