CVE-2023-5868

CVE-2023-5868 is a medium-severity vulnerability in Redhat Codeready Linux Builder Eus with a CVSS 3.x base score of 4.3. 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-686.

Key facts

Description

A memory disclosure vulnerability was found in PostgreSQL that allows remote users to access sensitive information by exploiting certain aggregate function calls with 'unknown'-type arguments. Handling 'unknown'-type values from string literals without type designation can disclose bytes, potentially revealing notable and confidential information. This issue exists due to excessive data output in aggregate function calls, enabling remote users to read some portion of system memory.

Frequently asked questions

What is CVE-2023-5868?
A memory disclosure vulnerability was found in PostgreSQL that allows remote users to access sensitive information by exploiting certain aggregate function calls with 'unknown'-type arguments. Handling 'unknown'-type values from string literals without type designation can disclose bytes, potentially revealing notable and confidential information. This issue exists due to excessive data output in aggregate function calls, enabling remote users to read some portion of system memory.
How severe is CVE-2023-5868?
CVE-2023-5868 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-5868 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-2023-5868?
CVE-2023-5868 primarily affects Redhat Codeready Linux Builder Eus. In total, 38 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-5868?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-5868 published?
CVE-2023-5868 was published on 2023-12-10 and last updated on 2026-06-23.

References

Affected products (38)

More vulnerabilities in Redhat Codeready Linux Builder Eus

All CVEs affecting Redhat Codeready Linux Builder Eus →

Other CWE-686 vulnerabilities

Browse all CWE-686 vulnerabilities →