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Critical severity9.8NVD Advisory· Published Jun 9, 2016· Updated May 6, 2026

CVE-2016-4448

CVE-2016-4448

Description

Format string vulnerability in libxml2 before 2.9.4 allows remote attackers to cause unspecified critical impact via crafted input.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Format string vulnerability in libxml2 before 2.9.4 allows remote attackers to cause unspecified critical impact via crafted input.

Vulnerability

A format string vulnerability exists in libxml2 versions prior to 2.9.4 [1]. The flaw allows attackers to use format string specifiers via unspecified vectors, potentially leading to memory corruption. Affected versions include libxml2 2.9.1 as shipped in Red Hat Enterprise Linux 7 [1].

Exploitation

An attacker can trigger this vulnerability by providing crafted input containing format string specifiers. The exact attack vector is not disclosed, but it is likely exploitable remotely without authentication (CVSS 9.8, critical) [1]. No special permissions are required.

Impact

Successful exploitation may allow an attacker to read or write arbitrary memory, potentially leading to information disclosure, denial of service, or arbitrary code execution. The impact is considered critical due to the high CVSS score [1].

Mitigation

The vulnerability is fixed in libxml2 version 2.9.4. Red Hat provides updated packages (libxml2-2.9.1-6.el7_2.3) for Red Hat Enterprise Linux 7 [1]. Users should upgrade to the latest version of libxml2 or apply vendor patches.

References
  1. https://access.redhat.com/errata/RHSA-2016:1292

AI Insight generated on May 23, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.

Affected products

31

Patches

0

No patches discovered yet.

Vulnerability mechanics

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References

27

News mentions

0

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