CVE-2011-0253: n/a vulnerability

CVE-2011-0253: WebKit, as used in Apple Safari before 5.0.6, allows remote attackers to execute arbitrary code or cause a...

WebKit, as used in Apple Safari before 5.0.6, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site, a different vulnerability than other WebKit CVEs listed in APPLE-SA-2011-07-20-1.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 21:51 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2011-0253 is a WebKit memory corruption flaw in Apple Safari before 5.0.6. A crafted website could let an attacker crash the browser or potentially run code. This mainly matters for organizations with obsolete Safari installations still in use. Exposure is most likely limited to endpoints still running Apple Safari before 5.0.6 or similarly obsolete bundled WebKit components documented by Apple. Treat this as a legacy exposure cleanup item with high impact if vulnerable browsers remain. It is not supported by the provided sources as actively exploited, but browser remote-code flaws are business-relevant when obsolete software persists. Mitigation focus: Upgrade Apple Safari to 5.0.6 or later using Apple security guidance.; Remove or restrict obsolete Safari installations that cannot be updated.; Prioritize remediation on systems used for web browsing or email links..

Prepared: Jun 27, 2026, 18:09 UTC (UTC+00:00)

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

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jul 21, 2011, 23:00 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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Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

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Weakness

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