How severe is CVE-2007-5507?

CVE-2007-5507 has a CVSS 2.0 base score of 6.4, rated medium severity.

Is CVE-2007-5507 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-5507?

CVE-2007-5507 primarily affects Oracle Database Server. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-5507?

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

When was CVE-2007-5507 published?

CVE-2007-5507 was published on 2007-10-17 and last updated on 2026-06-16.

CVE-2007-5507

CVE-2007-5507 is a medium-severity vulnerability in Oracle Database Server with a CVSS 2.0 base score of 6.4. 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-20.

Key facts

Severity: Medium (CVSS 2.0 base score 6.4)
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Oracle Database Server
Published: 2007-10-17
Last modified: 2026-06-16

Description

The GIOP service in TNS Listener in the Oracle Net Services component in Oracle Database 9.0.1.5+, 9.2.0.8, 9.2.0.8DV, 10.1.0.5, and 10.2.0.3 allows remote attackers to cause a denial of service (crash) or read potentially sensitive memory via a connect GIOP packet with an invalid data size, which triggers a buffer over-read, aka DB22.

Frequently asked questions

What is CVE-2007-5507?: The GIOP service in TNS Listener in the Oracle Net Services component in Oracle Database 9.0.1.5+, 9.2.0.8, 9.2.0.8DV, 10.1.0.5, and 10.2.0.3 allows remote attackers to cause a denial of service (crash) or read potentially sensitive memory via a connect GIOP packet with an invalid data size, which triggers a buffer over-read, aka DB22.
How severe is CVE-2007-5507?: CVE-2007-5507 has a CVSS 2.0 base score of 6.4, rated medium severity.
Is CVE-2007-5507 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-5507?: CVE-2007-5507 primarily affects Oracle Database Server. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-5507?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-5507 published?: CVE-2007-5507 was published on 2007-10-17 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:a:oracle:database_server:9.0.1.5:*:*:*:*:*:*:*
cpe:2.3:a:oracle:database_server:9.2.0.8:*:*:*:*:*:*:*
cpe:2.3:a:oracle:database_server:9.2.0.8dv:*:*:*:*:*:*:*
cpe:2.3:a:oracle:database_server:10.1.0.5:*:*:*:*:*:*:*
cpe:2.3:a:oracle:database_server:10.2.0.3:*:*:*:*:*:*:*

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