CVE-2015-8383: Buffer Overflow
First published: Wed Dec 02 2015(Updated: )
PCRE before 8.38 mishandles certain repeated conditional groups, which allows remote attackers to cause a denial of service (buffer overflow) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/pcre | <8.38 | 8.38 |
| PHP | <7.0.3 | 7.0.3 |
| PCRE (Perl Compatible Regular Expressions) | <=8.37 | |
| Red Hat Fedora | =22 | |
| PHP | >=5.5.0<5.5.32 | |
| PHP | >=5.6.0<5.6.18 | |
| PHP | >=7.0.0<7.0.3 |
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Reference Links
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/174931.html
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup
- http://www.openwall.com/lists/oss-security/2015/11/29/1
- https://access.redhat.com/errata/RHSA-2016:1132
- https://bto.bluecoat.com/security-advisory/sa128
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
- https://security.gentoo.org/glsa/201607-02
- https://security.netapp.com/advisory/ntap-20230216-0002/
- https://www.php.net/ChangeLog-7.php#7.0.3 (Advisory)
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1287615
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1287617
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1287616
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1287619
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1287614#c4
- http://vcs.pcre.org/pcre?view=revision&revision=1557
- https://rhn.redhat.com/errata/RHSA-2016-2750.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1287614
Frequently Asked Questions
What is the severity of CVE-2015-8383?
CVE-2015-8383 is classified as a denial of service vulnerability, potentially leading to buffer overflow.
How do I fix CVE-2015-8383?
To fix CVE-2015-8383, upgrade to PCRE version 8.38 or later.
Which software versions are affected by CVE-2015-8383?
CVE-2015-8383 affects PCRE versions before 8.38 and various PHP versions between 5.5.0 and 7.0.3.
What impact does CVE-2015-8383 have on applications?
CVE-2015-8383 can allow remote attackers to cause denial of service or potentially other unspecified impacts by using crafted regular expressions.
Is there any workaround for CVE-2015-8383?
There are no known workarounds for CVE-2015-8383; the only mitigation is to update the affected software.
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