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Request #68325 LIBXML_PARSEHUGE cannot be set for xml_parser_create
Submitted: 2014-10-29 17:13 UTC Modified: 2023-10-22 14:45 UTC
Avg. Score:4.5 ± 0.8
Reproduced:25 of 25 (100.0%)
Same Version:4 (16.0%)
Same OS:6 (24.0%)
From: pdx at pdx dot hu Assigned: nielsdos (profile)
Status: Closed Package: XML related
PHP Version: 5.4.34 OS: CentOS
Private report: No CVE-ID: None
 [2014-10-29 17:13 UTC] pdx at pdx dot hu
From manual page:

Short story: since LibXML>2.7.6 larger xml chunks must be explicitly allowed by setting LIBXML_PARSEHUGE for libxml. There is no option to do that with xml_parser_set_option. And believe me, xml_parser indeed chokes on most of what I throw at it.

Please see this discussion at .

The version is actually 5.4.33 (the latest available 5.4 branch on Remi's CentOS packages), but from the documentation it's clear that it hasn't been dealt with yet.

Also, bug#65604 deals with the same source of problem, but there has been no fix as of yet.

Test script:
not necessary.

Expected result:
correct XML parsing as before.

Actual result:
XML error: No memory at line XX (various).


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 [2018-04-02 00:12 UTC]
FWIW: it is possible to parse large XML documents in chunks; a
respective example has been added to the manual[1].  With this
technique, processing psd7003.xml[2] worked without problems.

[1] <>
[2] <>
 [2023-10-22 14:45 UTC]
-Status: Open +Status: Closed -Assigned To: +Assigned To: nielsdos
 [2023-10-22 14:45 UTC]
The fix for this bug has been committed.
If you are still experiencing this bug, try to check out latest source from and re-test.
Thank you for the report, and for helping us make PHP better.

Implemented for 8.4-dev
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