CVE-2016-4448

CRITICAL

9.8

CVSS Score

Published: June 9, 2016 at 04:00 PM UTC

Updated: June 17, 2026 at 12:47 AM UTC

20 products affected across 8 vendorsmacOSiPhone OStvOS· also runs on 1 platform

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Severity

CRITICAL9.8

Exploit prediction

EPSS 7%

Description

Format string vulnerability in libxml2 before 2.9.4 allows attackers to have unspecified impact via format string specifiers in unknown vectors.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

iCloud · Apple

95%

v < 5.2.1

Affected range stops below 5.2.1, so it looks safe — our inference, not a vendor statement

microsoft-windows (environment)

iPhone OS · Apple

95%

v ≤ 9.3.2

iTunes · Apple

95%

v ≤ 12.4.1

microsoft-windows (environment)

macOS · Apple

95%

v < 10.11.6

Affected range stops below 10.11.6, so it looks safe — our inference, not a vendor statement

tvOS · Apple

95%

v ≤ 9.2.1

watchOS · Apple

95%

v ≤ 2.2.1

Icewall Federation Agent · HP

95%

3.0

redhat-enterprise-linux (environment)

Web Gateway · McAfee

95%

v ≤ 7.5.2.107.6.0.0 ≤ v ≤ 7.6.2.3

Linux · Oracledrupal

95%

6 7 0

Vm Server · Oracle

95%

3.3 3.4

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Windows · Microsoft

95%

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references