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Vulnerability details: VCID-udp2-gywk-aaam
Vulnerability ID VCID-udp2-gywk-aaam
Aliases CVE-2015-8394
Summary PCRE before 8.38 mishandles the (?(<digits>) and (?(R<digits>) conditions, 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.
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-190 Integer Overflow or Wraparound
System Score Found at
generic_textual Low http://people.canonical.com/~ubuntu-security/cve/2015/CVE-2015-8394.html
epss 0.03025 https://api.first.org/data/v1/epss?cve=CVE-2015-8394
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epss 0.03025 https://api.first.org/data/v1/epss?cve=CVE-2015-8394
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epss 0.04727 https://api.first.org/data/v1/epss?cve=CVE-2015-8394
epss 0.04727 https://api.first.org/data/v1/epss?cve=CVE-2015-8394
epss 0.04727 https://api.first.org/data/v1/epss?cve=CVE-2015-8394
epss 0.04727 https://api.first.org/data/v1/epss?cve=CVE-2015-8394
epss 0.08071 https://api.first.org/data/v1/epss?cve=CVE-2015-8394
rhbs unspecified https://bugzilla.redhat.com/show_bug.cgi?id=1287702
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8394
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2015-8394
cvssv3 9.8 https://nvd.nist.gov/vuln/detail/CVE-2015-8394
cvssv3.1 9.8 https://nvd.nist.gov/vuln/detail/CVE-2015-8394
generic_textual Medium https://ubuntu.com/security/notices/USN-2943-1
generic_textual Low http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup
generic_textual Low http://www.openwall.com/lists/oss-security/2015/11/29/1
Reference id Reference type URL
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/174931.html
http://people.canonical.com/~ubuntu-security/cve/2015/CVE-2015-8394.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2015-8394.json
https://api.first.org/data/v1/epss?cve=CVE-2015-8394
https://bto.bluecoat.com/security-advisory/sa128
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8394
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://ubuntu.com/security/notices/USN-2943-1
http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup
http://www.openwall.com/lists/oss-security/2015/11/29/1
http://www.securityfocus.com/bid/82990
1287702 https://bugzilla.redhat.com/show_bug.cgi?id=1287702
cpe:2.3:a:pcre:perl_compatible_regular_expression_library:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:pcre:perl_compatible_regular_expression_library:*:*:*:*:*:*:*:*
cpe:2.3:a:php:php:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
CVE-2015-8394 https://nvd.nist.gov/vuln/detail/CVE-2015-8394
USN-2943-1 https://usn.ubuntu.com/2943-1/
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2015-8394
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2015-8394
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2015-8394
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.85441
EPSS Score 0.03025
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.