Bug 1110621 – First character optimization bug for multi-line case insensitive UTF-8 match

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Bug 1110621 - First character optimization bug for multi-line case insensitive UTF-8 match

Summary:	First character optimization bug for multi-line case insensitive UTF-8 match

Status:	CLOSED ERRATA

Aliases:	None

Product:	Red Hat Enterprise Linux 7
Classification:	Red Hat
Component:	pcre (Show other bugs)
Sub Component:
Version:	7.0
Hardware:	Unspecified Unspecified

Priority	unspecified Severity unspecified
Target Milestone:	rc
Target Release:	---
Assigned To:	Petr Pisar
QA Contact:	Jan Kepler
Docs Contact:

URL:	http://bugs.exim.org/show_bug.cgi?id=...
Whiteboard:
Keywords:	Patch

Depends On:
Blocks:
	Show dependency tree / graph

Reported:	2014-06-18 01:33 EDT by Petr Pisar
Modified:	2015-11-19 00:14 EST (History)
CC List:	5 users (show)

See Also:
Fixed In Version:	pcre-8.32-15.el7
Doc Type:	Bug Fix
Doc Text:	An error in first character optimization was causing PCRE to incorrectly evaluate regular expressions where a start-anchored character with more than once case follows circumflex in multi-line UTF-8 mode. This update resolves the problem and PCRE now properly evaluates these regular expressions.
Story Points:	---
Clone Of:	1110620
Environment:
Last Closed:	2015-11-19 00:14:52 EST
Type:	Bug
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

Attachments	(Terms of Use)
Upstream fix ported to 8.32 (2.42 KB, patch) 2014-06-19 04:29 EDT, Petr Pisar	no flags	Details \| Diff
Add an attachment (proposed patch, testcase, etc.)

External Trackers
Tracker	ID	Priority	Status	Summary	Last Updated
Red Hat Product Errata	RHBA-2015:2142	normal	SHIPPED_LIVE	pcre bug fix update	2015-11-19 03:16:47 EST

Groups: None (edit)

Description Petr Pisar 2014-06-18 01:33:36 EDT

+++ This bug was initially created as a clone of Bug #1110620 +++

A bug has been reported to the upstream:

$ printf '%s\n%s\n' '/^s?c/mi8W' 'sc' | pcretest 
PCRE version 8.33 2013-05-28

  re> data> No match

While this work with 8.31:

$ printf '%s\n%s\n' '/^s?c/mi8W' 'sc' | ./pcretest
PCRE version 8.31 2012-07-06

  re> data>  0: sc
data> 

Proposed fix is posted there.
----

RHEL-7 (pcre-8.32-12.el7.x86_64) is affected.

Comment 1 Petr Pisar 2014-06-19 04:29:51 EDT

Created attachment 910298 [details]
Upstream fix ported to 8.32

Comment 9 errata-xmlrpc 2015-11-19 00:14:52 EST

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHBA-2015-2142.html

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