Bug ID 1077337: XML Parser raises a violation when parameter value type XML value in JSON profile contains an escape char.

Last Modified: Oct 19, 2025

Affected Product(s):
BIG-IP ASM(all modules)

Known Affected Versions:
15.1.4, 15.1.4.1, 15.1.5, 15.1.5.1, 15.1.6, 15.1.6.1, 15.1.7, 15.1.8, 15.1.8.1, 15.1.8.2, 15.1.9, 15.1.9.1, 15.1.10, 15.1.10.2, 15.1.10.3, 15.1.10.4, 15.1.10.5, 15.1.10.6, 15.1.10.7, 15.1.10.8

Opened: Feb 01, 2022

Severity: 4-Minor

Symptoms

If an incoming JSON profile contains an XML parameter, and its type value type is defined as "XML value", the XML parser will parse the parameter value and upon seeing the \ escape character, XML parser validation raises a "Malformed XML data" violation.

Impact

False positive malformed XML violation.

Conditions

-- Wildcard URL with default JSON content profile applied to a JSON content-type. -- A parameter name XML with parameter value type defined as "XML value". -- XML value contains an escape (\") character in the XML body.

Workaround

N/A

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips