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22 vulnerabilities found for pcre2 by pcre
CVE-2025-58050 (GCVE-0-2025-58050)
Vulnerability from nvd – Published: 2025-08-27 18:47 – Updated: 2025-08-27 19:14
VLAI
Title
PCRE2: heap-buffer-overflow read in match_ref due to missing boundary restoration in SCS
Summary
The PCRE2 library is a set of C functions that implement regular expression pattern matching. In version 10.45, a heap-buffer-overflow read vulnerability exists in the PCRE2 regular expression matching engine, specifically within the handling of the (*scs:...) (Scan SubString) verb when combined with (*ACCEPT) in src/pcre2_match.c. This vulnerability may potentially lead to information disclosure if the out-of-bounds data read during the memcmp affects the final match result in a way observable by the attacker. This issue has been resolved in version 10.46.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/PCRE2Project/pcre2/security/ad… | x_refsource_CONFIRM |
| https://github.com/PCRE2Project/pcre2/commit/a141… | x_refsource_MISC |
| https://github.com/PCRE2Project/pcre2/releases/ta… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PCRE2Project | pcre2 |
Affected:
= 10.45
|
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CVE-2022-41409 (GCVE-0-2022-41409)
Vulnerability from nvd – Published: 2023-07-18 00:00 – Updated: 2024-10-28 18:22
VLAI
Summary
Integer overflow vulnerability in pcre2test before 10.41 allows attackers to cause a denial of service or other unspecified impacts via negative input.
Severity
No CVSS data available.
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
Assigner
References
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CVE-2022-1587 (GCVE-0-2022-1587)
Vulnerability from nvd – Published: 2022-05-16 00:00 – Updated: 2024-08-03 00:10
VLAI
Summary
An out-of-bounds read vulnerability was discovered in the PCRE2 library in the get_recurse_data_length() function of the pcre2_jit_compile.c file. This issue affects recursions in JIT-compiled regular expressions caused by duplicate data transfers.
Severity
No CVSS data available.
CWE
- CWE-125 - - Out-of-bounds Read
Assigner
References
8 references
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CVE-2022-1586 (GCVE-0-2022-1586)
Vulnerability from nvd – Published: 2022-05-16 00:00 – Updated: 2025-03-06 08:18
VLAI
Summary
An out-of-bounds read vulnerability was discovered in the PCRE2 library in the compile_xclass_matchingpath() function of the pcre2_jit_compile.c file. This involves a unicode property matching issue in JIT-compiled regular expressions. The issue occurs because the character was not fully read in case-less matching within JIT.
Severity
No CVSS data available.
CWE
- CWE-125 - - Out-of-bounds Read
Assigner
References
11 references
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CVE-2019-20454 (GCVE-0-2019-20454)
Vulnerability from nvd – Published: 2020-02-14 00:00 – Updated: 2024-08-05 02:39
VLAI
Summary
An out-of-bounds read was discovered in PCRE before 10.34 when the pattern \X is JIT compiled and used to match specially crafted subjects in non-UTF mode. Applications that use PCRE to parse untrusted input may be vulnerable to this flaw, which would allow an attacker to crash the application. The flaw occurs in do_extuni_no_utf in pcre2_jit_compile.c.
Severity
5.1 (Medium)
CWE
- n/a
Assigner
References
7 references
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CVE-2017-8786 (GCVE-0-2017-8786)
Vulnerability from nvd – Published: 2017-05-05 00:00 – Updated: 2024-08-05 16:48
VLAI
Summary
pcre2test.c in PCRE2 10.23 allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a crafted regular expression.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://security.gentoo.org/glsa/201710-09 | vendor-advisoryx_refsource_GENTOO |
| https://vcs.pcre.org/pcre2?view=revision&revision=697 | x_refsource_MISC |
| https://vcs.pcre.org/pcre2?view=revision&revision=696 | x_refsource_MISC |
| https://bugs.exim.org/show_bug.cgi?id=2079 | x_refsource_MISC |
| https://blogs.gentoo.org/ago/2017/04/29/libpcre-h… | x_refsource_MISC |
Date Public
2017-05-04 00:00
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CVE-2017-8399 (GCVE-0-2017-8399)
Vulnerability from nvd – Published: 2017-05-01 18:00 – Updated: 2024-08-05 16:34
VLAI
Summary
PCRE2 before 10.30 has an out-of-bounds write caused by a stack-based buffer overflow in pcre2_match.c, related to a "pattern with very many captures."
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://security.gentoo.org/glsa/201710-09 | vendor-advisoryx_refsource_GENTOO |
| https://vcs.pcre.org/pcre2/code/tags/pcre2-10.30/… | x_refsource_CONFIRM |
| https://bugs.chromium.org/p/oss-fuzz/issues/detai… | x_refsource_MISC |
| https://vcs.pcre.org/pcre2?view=revision&revision=674 | x_refsource_MISC |
| http://www.securityfocus.com/bid/98315 | vdb-entryx_refsource_BID |
Date Public
2017-05-01 00:00
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CVE-2017-7186 (GCVE-0-2017-7186)
Vulnerability from nvd – Published: 2017-03-20 00:00 – Updated: 2024-08-05 15:56
VLAI
Summary
libpcre1 in PCRE 8.40 and libpcre2 in PCRE2 10.23 allow remote attackers to cause a denial of service (segmentation violation for read access, and application crash) by triggering an invalid Unicode property lookup.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
10 references
| URL | Tags |
|---|---|
| https://bugs.exim.org/show_bug.cgi?id=2052 | x_refsource_CONFIRM |
| https://security.gentoo.org/glsa/201710-09 | vendor-advisoryx_refsource_GENTOO |
| https://vcs.pcre.org/pcre/code/trunk/pcre_interna… | x_refsource_CONFIRM |
| https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_i… | x_refsource_CONFIRM |
| https://vcs.pcre.org/pcre/code/trunk/pcre_ucd.c?r… | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/97030 | vdb-entryx_refsource_BID |
| https://blogs.gentoo.org/ago/2017/03/14/libpcre-i… | x_refsource_MISC |
| https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_u… | x_refsource_CONFIRM |
| https://access.redhat.com/errata/RHSA-2018:2486 | vendor-advisoryx_refsource_REDHAT |
| https://security.gentoo.org/glsa/201710-25 | vendor-advisoryx_refsource_GENTOO |
Date Public
2017-03-19 00:00
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CVE-2015-3217 (GCVE-0-2015-3217)
Vulnerability from nvd – Published: 2016-12-13 16:00 – Updated: 2024-08-06 05:39
VLAI
Summary
PCRE 7.8 and 8.32 through 8.37, and PCRE2 10.10 mishandle group empty matches, which might allow remote attackers to cause a denial of service (stack-based buffer overflow) via a crafted regular expression, as demonstrated by /^(?:(?(1)\\.|([^\\\\W_])?)+)+$/.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
10 references
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|---|---|
| https://access.redhat.com/errata/RHSA-2016:1132 | vendor-advisoryx_refsource_REDHAT |
| http://vcs.pcre.org/pcre?view=revision&revision=1566 | x_refsource_CONFIRM |
| https://bugs.exim.org/show_bug.cgi?id=1638 | x_refsource_CONFIRM |
| http://www.oracle.com/technetwork/topics/security… | x_refsource_CONFIRM |
| http://www.openwall.com/lists/oss-security/2015/06/03/7 | mailing-listx_refsource_MLIST |
| http://www-01.ibm.com/support/docview.wss?uid=isg… | x_refsource_CONFIRM |
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| https://bugzilla.redhat.com/show_bug.cgi?id=1228283 | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/75018 | vdb-entryx_refsource_BID |
Date Public
2015-06-03 00:00
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CVE-2015-3210 (GCVE-0-2015-3210)
Vulnerability from nvd – Published: 2016-12-13 16:00 – Updated: 2024-08-06 05:39
VLAI
Summary
Heap-based buffer overflow in PCRE 8.34 through 8.37 and PCRE2 10.10 allows remote attackers to execute arbitrary code via a crafted regular expression, as demonstrated by /^(?P=B)((?P=B)(?J:(?P<B>c)(?P<B>a(?P=B)))>WGXCREDITS)/, a different vulnerability than CVE-2015-8384.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2016:1132 | vendor-advisoryx_refsource_REDHAT |
| http://www.securityfocus.com/bid/74934 | vdb-entryx_refsource_BID |
| http://rhn.redhat.com/errata/RHSA-2016-2750.html | vendor-advisoryx_refsource_REDHAT |
| http://www.openwall.com/lists/oss-security/2015/06/01/7 | mailing-listx_refsource_MLIST |
| http://www.openwall.com/lists/oss-security/2015/1… | mailing-listx_refsource_MLIST |
| https://bugs.exim.org/show_bug.cgi?id=1636 | x_refsource_CONFIRM |
Date Public
2015-05-29 00:00
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CVE-2016-3191 (GCVE-0-2016-3191)
Vulnerability from nvd – Published: 2016-03-17 23:00 – Updated: 2024-08-05 23:47
VLAI
Summary
The compile_branch function in pcre_compile.c in PCRE 8.x before 8.39 and pcre2_compile.c in PCRE2 before 10.22 mishandles patterns containing an (*ACCEPT) substring in conjunction with nested parentheses, which allows remote attackers to execute arbitrary code or cause a denial of service (stack-based buffer overflow) via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror, aka ZDI-CAN-3542.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
13 references
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/84810 | vdb-entryx_refsource_BID |
| http://vcs.pcre.org/pcre2?view=revision&revision=489 | x_refsource_CONFIRM |
| https://access.redhat.com/errata/RHSA-2016:1132 | vendor-advisoryx_refsource_REDHAT |
| http://www.oracle.com/technetwork/topics/security… | x_refsource_CONFIRM |
| http://www-01.ibm.com/support/docview.wss?uid=isg… | x_refsource_CONFIRM |
| http://rhn.redhat.com/errata/RHSA-2016-1025.html | vendor-advisoryx_refsource_REDHAT |
| https://bugs.debian.org/815921 | x_refsource_CONFIRM |
| https://bugs.debian.org/815920 | x_refsource_CONFIRM |
| https://bugzilla.redhat.com/show_bug.cgi?id=1311503 | x_refsource_CONFIRM |
| https://bugs.exim.org/show_bug.cgi?id=1791 | x_refsource_CONFIRM |
| https://www.tenable.com/security/tns-2016-18 | x_refsource_CONFIRM |
| https://bto.bluecoat.com/security-advisory/sa128 | x_refsource_CONFIRM |
| http://vcs.pcre.org/pcre?view=revision&revision=1631 | x_refsource_CONFIRM |
Date Public
2016-02-09 00:00
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CVE-2025-58050 (GCVE-0-2025-58050)
Vulnerability from cvelistv5 – Published: 2025-08-27 18:47 – Updated: 2025-08-27 19:14
VLAI
Title
PCRE2: heap-buffer-overflow read in match_ref due to missing boundary restoration in SCS
Summary
The PCRE2 library is a set of C functions that implement regular expression pattern matching. In version 10.45, a heap-buffer-overflow read vulnerability exists in the PCRE2 regular expression matching engine, specifically within the handling of the (*scs:...) (Scan SubString) verb when combined with (*ACCEPT) in src/pcre2_match.c. This vulnerability may potentially lead to information disclosure if the out-of-bounds data read during the memcmp affects the final match result in a way observable by the attacker. This issue has been resolved in version 10.46.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/PCRE2Project/pcre2/security/ad… | x_refsource_CONFIRM |
| https://github.com/PCRE2Project/pcre2/commit/a141… | x_refsource_MISC |
| https://github.com/PCRE2Project/pcre2/releases/ta… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PCRE2Project | pcre2 |
Affected:
= 10.45
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CVE-2022-41409 (GCVE-0-2022-41409)
Vulnerability from cvelistv5 – Published: 2023-07-18 00:00 – Updated: 2024-10-28 18:22
VLAI
Summary
Integer overflow vulnerability in pcre2test before 10.41 allows attackers to cause a denial of service or other unspecified impacts via negative input.
Severity
No CVSS data available.
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
Assigner
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CVE-2022-1587 (GCVE-0-2022-1587)
Vulnerability from cvelistv5 – Published: 2022-05-16 00:00 – Updated: 2024-08-03 00:10
VLAI
Summary
An out-of-bounds read vulnerability was discovered in the PCRE2 library in the get_recurse_data_length() function of the pcre2_jit_compile.c file. This issue affects recursions in JIT-compiled regular expressions caused by duplicate data transfers.
Severity
No CVSS data available.
CWE
- CWE-125 - - Out-of-bounds Read
Assigner
References
8 references
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CVE-2022-1586 (GCVE-0-2022-1586)
Vulnerability from cvelistv5 – Published: 2022-05-16 00:00 – Updated: 2025-03-06 08:18
VLAI
Summary
An out-of-bounds read vulnerability was discovered in the PCRE2 library in the compile_xclass_matchingpath() function of the pcre2_jit_compile.c file. This involves a unicode property matching issue in JIT-compiled regular expressions. The issue occurs because the character was not fully read in case-less matching within JIT.
Severity
No CVSS data available.
CWE
- CWE-125 - - Out-of-bounds Read
Assigner
References
11 references
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CVE-2019-20454 (GCVE-0-2019-20454)
Vulnerability from cvelistv5 – Published: 2020-02-14 00:00 – Updated: 2024-08-05 02:39
VLAI
Summary
An out-of-bounds read was discovered in PCRE before 10.34 when the pattern \X is JIT compiled and used to match specially crafted subjects in non-UTF mode. Applications that use PCRE to parse untrusted input may be vulnerable to this flaw, which would allow an attacker to crash the application. The flaw occurs in do_extuni_no_utf in pcre2_jit_compile.c.
Severity
5.1 (Medium)
CWE
- n/a
Assigner
References
7 references
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CVE-2017-8786 (GCVE-0-2017-8786)
Vulnerability from cvelistv5 – Published: 2017-05-05 00:00 – Updated: 2024-08-05 16:48
VLAI
Summary
pcre2test.c in PCRE2 10.23 allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a crafted regular expression.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://security.gentoo.org/glsa/201710-09 | vendor-advisoryx_refsource_GENTOO |
| https://vcs.pcre.org/pcre2?view=revision&revision=697 | x_refsource_MISC |
| https://vcs.pcre.org/pcre2?view=revision&revision=696 | x_refsource_MISC |
| https://bugs.exim.org/show_bug.cgi?id=2079 | x_refsource_MISC |
| https://blogs.gentoo.org/ago/2017/04/29/libpcre-h… | x_refsource_MISC |
Date Public
2017-05-04 00:00
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CVE-2017-8399 (GCVE-0-2017-8399)
Vulnerability from cvelistv5 – Published: 2017-05-01 18:00 – Updated: 2024-08-05 16:34
VLAI
Summary
PCRE2 before 10.30 has an out-of-bounds write caused by a stack-based buffer overflow in pcre2_match.c, related to a "pattern with very many captures."
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://security.gentoo.org/glsa/201710-09 | vendor-advisoryx_refsource_GENTOO |
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| https://vcs.pcre.org/pcre2?view=revision&revision=674 | x_refsource_MISC |
| http://www.securityfocus.com/bid/98315 | vdb-entryx_refsource_BID |
Date Public
2017-05-01 00:00
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CVE-2017-7186 (GCVE-0-2017-7186)
Vulnerability from cvelistv5 – Published: 2017-03-20 00:00 – Updated: 2024-08-05 15:56
VLAI
Summary
libpcre1 in PCRE 8.40 and libpcre2 in PCRE2 10.23 allow remote attackers to cause a denial of service (segmentation violation for read access, and application crash) by triggering an invalid Unicode property lookup.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
10 references
| URL | Tags |
|---|---|
| https://bugs.exim.org/show_bug.cgi?id=2052 | x_refsource_CONFIRM |
| https://security.gentoo.org/glsa/201710-09 | vendor-advisoryx_refsource_GENTOO |
| https://vcs.pcre.org/pcre/code/trunk/pcre_interna… | x_refsource_CONFIRM |
| https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_i… | x_refsource_CONFIRM |
| https://vcs.pcre.org/pcre/code/trunk/pcre_ucd.c?r… | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/97030 | vdb-entryx_refsource_BID |
| https://blogs.gentoo.org/ago/2017/03/14/libpcre-i… | x_refsource_MISC |
| https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_u… | x_refsource_CONFIRM |
| https://access.redhat.com/errata/RHSA-2018:2486 | vendor-advisoryx_refsource_REDHAT |
| https://security.gentoo.org/glsa/201710-25 | vendor-advisoryx_refsource_GENTOO |
Date Public
2017-03-19 00:00
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CVE-2015-3210 (GCVE-0-2015-3210)
Vulnerability from cvelistv5 – Published: 2016-12-13 16:00 – Updated: 2024-08-06 05:39
VLAI
Summary
Heap-based buffer overflow in PCRE 8.34 through 8.37 and PCRE2 10.10 allows remote attackers to execute arbitrary code via a crafted regular expression, as demonstrated by /^(?P=B)((?P=B)(?J:(?P<B>c)(?P<B>a(?P=B)))>WGXCREDITS)/, a different vulnerability than CVE-2015-8384.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2016:1132 | vendor-advisoryx_refsource_REDHAT |
| http://www.securityfocus.com/bid/74934 | vdb-entryx_refsource_BID |
| http://rhn.redhat.com/errata/RHSA-2016-2750.html | vendor-advisoryx_refsource_REDHAT |
| http://www.openwall.com/lists/oss-security/2015/06/01/7 | mailing-listx_refsource_MLIST |
| http://www.openwall.com/lists/oss-security/2015/1… | mailing-listx_refsource_MLIST |
| https://bugs.exim.org/show_bug.cgi?id=1636 | x_refsource_CONFIRM |
Date Public
2015-05-29 00:00
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CVE-2015-3217 (GCVE-0-2015-3217)
Vulnerability from cvelistv5 – Published: 2016-12-13 16:00 – Updated: 2024-08-06 05:39
VLAI
Summary
PCRE 7.8 and 8.32 through 8.37, and PCRE2 10.10 mishandle group empty matches, which might allow remote attackers to cause a denial of service (stack-based buffer overflow) via a crafted regular expression, as demonstrated by /^(?:(?(1)\\.|([^\\\\W_])?)+)+$/.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
10 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2016:1132 | vendor-advisoryx_refsource_REDHAT |
| http://vcs.pcre.org/pcre?view=revision&revision=1566 | x_refsource_CONFIRM |
| https://bugs.exim.org/show_bug.cgi?id=1638 | x_refsource_CONFIRM |
| http://www.oracle.com/technetwork/topics/security… | x_refsource_CONFIRM |
| http://www.openwall.com/lists/oss-security/2015/06/03/7 | mailing-listx_refsource_MLIST |
| http://www-01.ibm.com/support/docview.wss?uid=isg… | x_refsource_CONFIRM |
| http://rhn.redhat.com/errata/RHSA-2016-1025.html | vendor-advisoryx_refsource_REDHAT |
| http://rhn.redhat.com/errata/RHSA-2016-2750.html | vendor-advisoryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=1228283 | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/75018 | vdb-entryx_refsource_BID |
Date Public
2015-06-03 00:00
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CVE-2016-3191 (GCVE-0-2016-3191)
Vulnerability from cvelistv5 – Published: 2016-03-17 23:00 – Updated: 2024-08-05 23:47
VLAI
Summary
The compile_branch function in pcre_compile.c in PCRE 8.x before 8.39 and pcre2_compile.c in PCRE2 before 10.22 mishandles patterns containing an (*ACCEPT) substring in conjunction with nested parentheses, which allows remote attackers to execute arbitrary code or cause a denial of service (stack-based buffer overflow) via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror, aka ZDI-CAN-3542.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
13 references
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/84810 | vdb-entryx_refsource_BID |
| http://vcs.pcre.org/pcre2?view=revision&revision=489 | x_refsource_CONFIRM |
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| http://rhn.redhat.com/errata/RHSA-2016-1025.html | vendor-advisoryx_refsource_REDHAT |
| https://bugs.debian.org/815921 | x_refsource_CONFIRM |
| https://bugs.debian.org/815920 | x_refsource_CONFIRM |
| https://bugzilla.redhat.com/show_bug.cgi?id=1311503 | x_refsource_CONFIRM |
| https://bugs.exim.org/show_bug.cgi?id=1791 | x_refsource_CONFIRM |
| https://www.tenable.com/security/tns-2016-18 | x_refsource_CONFIRM |
| https://bto.bluecoat.com/security-advisory/sa128 | x_refsource_CONFIRM |
| http://vcs.pcre.org/pcre?view=revision&revision=1631 | x_refsource_CONFIRM |
Date Public
2016-02-09 00:00
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