Read the docs
TI-2016-03854 Aliases CVE-2016-4483GHSA-xr2r-hh4x-gv58

The xmlBufAttrSerializeTxtContent function in xmlsave.c in libxml2 allows…

Priority MEDIUM 42CWE-502Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 1 fixed, 5 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-502.

Summary

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.

Why it matters now

EPSS 0.06 93rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 1 advisoryRed Hat: 1 fixed, 5 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*before 2.9.4Vulnerablexmlsoft
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:*11.3VulnerableOracle
  • cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:* Versions before 2.9.4 Vulnerable ·xmlsoft
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:* Versions 11.3 Vulnerable ·Oracle

Remediation

Red Hat 1 advisory

  • RHSA-2016:2957 Released 2016-12-15 · Red Hat rating Important
    Red Hat JBoss Core Services Apache HTTP 2.4.23 Release
    • Red Hat JBoss Core Services

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 7AffectedNo fix planned: Will not fix
Red Hat JBoss Core ServicesAffectedNo fix yet
Red Hat JBoss Enterprise Web Server 3AffectedNo fix planned: Will not fix
Red Hat JBoss Core ServicesFixed RHSA-2016:2957

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-4483
  2. 2026-10-03 Alias added: GHSA-xr2r-hh4x-gv58

References

Exploit 1

Patch 3

Advisory 6

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences