Bug 2477441 (CVE-2026-6474)

Summary: CVE-2026-6474 postgresql: PostgreSQL: Information disclosure via externally-controlled format string in timeofday() function
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in PostgreSQL. This vulnerability, an externally-controlled format string in the `timeofday()` function, allows a remote attacker to craft specific timezone zones. Successful exploitation can lead to the retrieval of sensitive portions of server memory, potentially disclosing confidential information.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2480430, 2480431, 2480432, 2480433    
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Description OSIDB Bzimport 2026-05-14 14:01:50 UTC
Externally-controlled format string in PostgreSQL timeofday() function allows an attacker to retrieve portions of server memory, via crafted timezone zones.  Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected.