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Vulnerability details: VCID-avc8-nem4-aaag
Vulnerability ID VCID-avc8-nem4-aaag
Aliases CVE-2015-8388
Summary PCRE before 8.38 mishandles the /(?=di(?<=(?1))|(?=(.))))/ pattern and related patterns with an unmatched closing parenthesis, 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.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-185 Incorrect Regular Expression
CWE-122 Heap-based Buffer Overflow
System Score Found at
generic_textual Low http://people.canonical.com/~ubuntu-security/cve/2015/CVE-2015-8388.html
rhas Important https://access.redhat.com/errata/RHSA-2016:1025
rhas Moderate https://access.redhat.com/errata/RHSA-2016:2750
epss 0.01343 https://api.first.org/data/v1/epss?cve=CVE-2015-8388
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epss 0.01601 https://api.first.org/data/v1/epss?cve=CVE-2015-8388
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epss 0.01601 https://api.first.org/data/v1/epss?cve=CVE-2015-8388
epss 0.04662 https://api.first.org/data/v1/epss?cve=CVE-2015-8388
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epss 0.06199 https://api.first.org/data/v1/epss?cve=CVE-2015-8388
epss 0.06199 https://api.first.org/data/v1/epss?cve=CVE-2015-8388
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epss 0.06199 https://api.first.org/data/v1/epss?cve=CVE-2015-8388
epss 0.06199 https://api.first.org/data/v1/epss?cve=CVE-2015-8388
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epss 0.06903 https://api.first.org/data/v1/epss?cve=CVE-2015-8388
epss 0.09792 https://api.first.org/data/v1/epss?cve=CVE-2015-8388
epss 0.09792 https://api.first.org/data/v1/epss?cve=CVE-2015-8388
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rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=1237223
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8388
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2015-8388
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
cvssv3.1 8.8 http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
generic_textual HIGH http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2015/CVE-2015-8388.html
http://rhn.redhat.com/errata/RHSA-2016-1025.html
http://rhn.redhat.com/errata/RHSA-2016-2750.html
https://access.redhat.com/errata/RHSA-2016:1132
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2015-8388.json
https://api.first.org/data/v1/epss?cve=CVE-2015-8388
https://bto.bluecoat.com/security-advisory/sa128
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8388
https://security.gentoo.org/glsa/201607-02
https://ubuntu.com/security/notices/USN-2943-1
http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup
http://www-01.ibm.com/support/docview.wss?uid=isg3T1023886
http://www.openwall.com/lists/oss-security/2015/11/29/1
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
http://www.securityfocus.com/bid/85576
1237223 https://bugzilla.redhat.com/show_bug.cgi?id=1237223
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:o:oracle:linux:7:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*
CVE-2015-8388 https://nvd.nist.gov/vuln/detail/CVE-2015-8388
RHSA-2016:1025 https://access.redhat.com/errata/RHSA-2016:1025
RHSA-2016:2750 https://access.redhat.com/errata/RHSA-2016:2750
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-2015-8388
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:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
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 0.85814
EPSS Score 0.01343
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.