CVE-2010-0525: n/a vulnerability

CVE-2010-0525: Mail in Apple Mac OS X before 10.6.3 does not properly enforce the key usage extension during processing of...

Mail in Apple Mac OS X before 10.6.3 does not properly enforce the key usage extension during processing of a keychain that specifies multiple certificates for an e-mail recipient, which might make it easier for remote attackers to obtain sensitive information via a brute-force attack on a weakly encrypted e-mail message.

UnknownCVSS not scoredNot KEV-listedUpdatedSep 16, 2024, 16:42 UTC (UTC+00:00)

Security readout for executives and security teams

This is an older Apple Mail issue fixed in Mac OS X 10.6.3. In certain certificate/keychain situations, Mail could use certificate key-usage information incorrectly, potentially making weakly encrypted email easier for a remote attacker to brute-force. The source data does not show active exploitation. Exposure is mainly legacy Apple Mail deployments on Mac OS X versions before 10.6.3. Modern macOS systems are unlikely to be affected based on the provided advisory scope, but legacy archives, isolated systems, or unsupported endpoints should be checked. Low urgency for modern environments, but moderate priority where legacy Mac OS X systems still process sensitive encrypted email. Treat this as a legacy exposure cleanup item rather than an emergency response unless affected systems are present. Mitigation focus: Upgrade affected Mac OS X systems to 10.6.3 or later where applicable.; Review Apple security update HT4077 and APPLE-SA-2010-03-29-1 for vendor guidance.; Retire or isolate unsupported legacy Mac OS X systems..

Prepared: Jun 28, 2026, 06:11 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Mar 30, 2010, 18:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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1Source links

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CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

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