How severe is CVE-2014-1876?

CVE-2014-1876 has a CVSS 2.0 base score of 4.4, rated medium severity.

Is CVE-2014-1876 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-1876?

CVE-2014-1876 primarily affects Oracle Openjdk. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-1876?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-1876 published?

CVE-2014-1876 was published on 2014-02-10 and last updated on 2026-06-17.

CVE-2014-1876

CVE-2014-1876 is a medium-severity vulnerability in Oracle Openjdk with a CVSS 2.0 base score of 4.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-59.

Key facts

Severity: Medium (CVSS 2.0 base score 4.4)
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-59
Affected product: Oracle Openjdk
Published: 2014-02-10
Last modified: 2026-06-17

Description

The unpacker::redirect_stdio function in unpack.cpp in unpack200 in OpenJDK 6, 7, and 8; Oracle Java SE 5.0u61, 6u71, 7u51, and 8; JRockit R27.8.1 and R28.3.1; and Java SE Embedded 7u51 does not securely create temporary files when a log file cannot be opened, which allows local users to overwrite arbitrary files via a symlink attack on /tmp/unpack.log.

Frequently asked questions

What is CVE-2014-1876?: The unpacker::redirect_stdio function in unpack.cpp in unpack200 in OpenJDK 6, 7, and 8; Oracle Java SE 5.0u61, 6u71, 7u51, and 8; JRockit R27.8.1 and R28.3.1; and Java SE Embedded 7u51 does not securely create temporary files when a log file cannot be opened, which allows local users to overwrite arbitrary files via a symlink attack on /tmp/unpack.log.
How severe is CVE-2014-1876?: CVE-2014-1876 has a CVSS 2.0 base score of 4.4, rated medium severity.
Is CVE-2014-1876 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-1876?: CVE-2014-1876 primarily affects Oracle Openjdk. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-1876?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-1876 published?: CVE-2014-1876 was published on 2014-02-10 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:oracle:openjdk:1.6.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:1.7.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:1.8.0:*:*:*:*:*:*:*

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