CVE-2016-9643: n/a vulnerability

CVE-2016-9643: The regex code in Webkit 2.4.11 allows remote attackers to cause a denial of service (memory consumption) a...

The regex code in Webkit 2.4.11 allows remote attackers to cause a denial of service (memory consumption) as demonstrated in a large number of ($ (open parenthesis and dollar) followed by {-2,16} and a large number of +) (plus close parenthesis).

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 02:59 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2016-9643 is a denial-of-service issue in WebKit 2.4.11 regex handling. A remote attacker could cause excessive memory use, potentially crashing or degrading a browser or application that processes attacker-controlled web content through the affected engine. Exposure is most likely where WebKit 2.4.11, or downstream packages based on it, still process untrusted web content. The bundle does not identify specific products beyond WebKit, so asset validation should focus on package inventories and vendor advisories. Address during normal vulnerability remediation unless affected WebKit components process untrusted internet content at scale. Escalate if the component supports a public-facing service where memory exhaustion could disrupt availability. Mitigation focus: Identify systems running WebKit 2.4.11 or downstream packages based on it.; Review Gentoo GLSA-201706-15 and relevant vendor guidance for fixed package versions.; Prioritize updates on internet-facing browsers, web views, and content-rendering services..

Prepared: Jun 13, 2026, 06:02 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: Mar 7, 2017, 16:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
GLSA-201706-15CVE reference · vendor-advisory, x_refsource_GENTOO

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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