Bug 1119272
| Summary: | Wrong compilation of zero-repeated groups with recursive back reference can cause crash | |||
|---|---|---|---|---|
| Product: | [Fedora] Fedora | Reporter: | Petr Pisar <ppisar> | |
| Component: | pcre | Assignee: | Petr Pisar <ppisar> | |
| Status: | CLOSED ERRATA | QA Contact: | Fedora Extras Quality Assurance <extras-qa> | |
| Severity: | unspecified | Docs Contact: | ||
| Priority: | unspecified | |||
| Version: | 20 | CC: | c.david86, lkundrak, ppisar | |
| Target Milestone: | --- | |||
| Target Release: | --- | |||
| Hardware: | Unspecified | |||
| OS: | Unspecified | |||
| URL: | http://bugs.exim.org/show_bug.cgi?id=1503 | |||
| Whiteboard: | ||||
| Fixed In Version: | pcre-8.32-10.fc19 | Doc Type: | Bug Fix | |
| Doc Text: | Story Points: | --- | ||
| Clone Of: | ||||
| : | 1119356 (view as bug list) | Environment: | ||
| Last Closed: | 2014-07-19 06:02:27 UTC | Type: | Bug | |
| Regression: | --- | Mount Type: | --- | |
| Documentation: | --- | CRM: | ||
| Verified Versions: | Category: | --- | ||
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | ||
| Cloudforms Team: | --- | Target Upstream Version: | ||
| Embargoed: | ||||
| Bug Depends On: | ||||
| Bug Blocks: | 1285408 | |||
All Fedoras are affected. pcre-8.33-6.fc20 has been submitted as an update for Fedora 20. https://admin.fedoraproject.org/updates/pcre-8.33-6.fc20 pcre-8.32-10.fc19 has been submitted as an update for Fedora 19. https://admin.fedoraproject.org/updates/pcre-8.32-10.fc19 Package pcre-8.33-6.fc20: * should fix your issue, * was pushed to the Fedora 20 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing pcre-8.33-6.fc20' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2014-8346/pcre-8.33-6.fc20 then log in and leave karma (feedback). pcre-8.33-6.fc20 has been pushed to the Fedora 20 stable repository. If problems still persist, please make note of it in this bug report. pcre-8.32-10.fc19 has been pushed to the Fedora 19 stable repository. If problems still persist, please make note of it in this bug report. *** Bug 1285409 has been marked as a duplicate of this bug. *** |
There is a bug in pattern compiler than can lead to crash: $ printf '%s\n%s\n' '/(((a\2)|(a*)\g<-1>))*a?/B' '' | pcretest PCRE version 8.33 2013-05-28 re> Neoprávněný přístup do paměti (SIGSEGV) It has been fixed by upstream with: commit d35a6c663d37e072f4a5440f281f62aa6dc42418 Author: ph10 <ph10@2f5784b3-3f2a-0410-8824-cb99058d5e15> Date: Sat Jul 12 18:22:54 2014 +0000 Fix compiler crash/misbehaviour for zero-repeated groups that include a recursive back reference. git-svn-id: svn://vcs.exim.org/pcre/code/trunk@1495 2f5784b3-3f2a-0410-8824-cb99058d5e15