CVE-2015-8387
HIGH
7.3
CVSS Score
Published: December 2, 2015 at 12:00 AM UTC
Updated: June 17, 2026 at 12:34 AM UTC
3 products affected across 3 vendorsFedoraPHPPerl Compatible Regular Expression Library
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Severity
HIGH7.3
Exploit prediction
EPSS 4%
Description
PCRE before 8.38 mishandles (?123) subroutine calls and related subroutine calls, which allows remote attackers to cause a denial of service (integer overflow) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
95%
5.5.0 ≤ v < 5.5.325.6.0 ≤ v < 5.6.187.0.0 ≤ v < 7.0.3
Affected range stops below 5.5.32, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.6.18, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.0.3, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (8)
Vendor AdvisoryThird Party Advisory
Source: [email protected]
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/174931.htmlx_refsource_CONFIRMBroken LinkRelease Notes
Source: [email protected]
http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markupMailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2015/11/29/1x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://bto.bluecoat.com/security-advisory/sa128x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731Vendor Advisoryx_refsource_GENTOOThird Party Advisory
Source: [email protected]
https://security.gentoo.org/glsa/201607-02CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- LOW
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-190
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