CVE-2016-4483

HIGH
7.5
CVSS Score
Published: April 11, 2017 at 04:00 PM UTC
Updated: June 17, 2026 at 12:47 AM UTC
3 products affected across 3 vendorsDebian LinuxSolarisLIBXML2

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Severity
HIGH7.5
Exploit prediction
EPSS 6%

Description

The xmlBufAttrSerializeTxtContent function in xmlsave.c in libxml2 allows context-dependent attackers to cause a denial of service (out-of-bounds read and application crash) via a non-UTF-8 attribute value, related to serialization. NOTE: this vulnerability may be a duplicate of CVE-2016-3627.

Affected

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

v < 2.9.4
Affected range stops below 2.9.4, so it looks safe — our inference, not a vendor statement

References (14)

Vendor Advisoryx_refsource_REDHATThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2957.html
Vendor Advisoryx_refsource_DEBIANThird Party Advisory
http://www.debian.org/security/2016/dsa-3593
Mailing Listx_refsource_MLISTExploitThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/05/03/8
Mailing Listx_refsource_MLISTThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/05/04/7
Mailing Listx_refsource_MLISTPatchThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/07/4
Mailing Listx_refsource_MLISTPatchThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/07/5
VDB Entryx_refsource_BIDThird Party Advisory
http://www.securityfocus.com/bid/90013

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-502

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