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Posted to issues@trafficserver.apache.org by "Leif Hedstrom (Reopened) (JIRA)" <ji...@apache.org> on 2012/03/16 18:01:40 UTC
[jira] [Reopened] (TS-827) TSMimeHdrFieldValueStringInsert() can
use freed memory to edit headers
[ https://issues.apache.org/jira/browse/TS-827?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Leif Hedstrom reopened TS-827:
------------------------------
> TSMimeHdrFieldValueStringInsert() can use freed memory to edit headers
> ----------------------------------------------------------------------
>
> Key: TS-827
> URL: https://issues.apache.org/jira/browse/TS-827
> Project: Traffic Server
> Issue Type: Bug
> Components: MIME
> Affects Versions: 2.1.9, 2.1.8, 2.1.7, 2.1.6, 2.1.5, 2.1.4
> Reporter: William Bardwell
> Assignee: Leif Hedstrom
> Fix For: 3.1.4, 3.1.0, 3.0.0
>
> Attachments: headers-prealloc.diff
>
>
> TSMimeHdrFieldValueStringInsert() and other TSMimeHdrFieldValue*() APIs can use freed memory to edit headers
> due to calling HdrHeap::coalesce_str_heaps() from HdrHeap::allocate_str() from
> mime_field_value_insert_comma_val() and other mime_field_value_*comma_val() functions while holding pointers
> into the HdrHeap.
> I have a hacky but functional patch for this.
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