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CVE-2007-4767

Date: November 7, 2007

Perl-Compatible Regular Expression (PCRE) library before 7.3 does not properly compute the length of (1) a \p sequence, (2) a \P sequence, or (3) a \P{x} sequence, which allows context-dependent attackers to cause a denial of service (infinite loop or crash) or execute arbitrary code.

Severity Score

5.3

Related Resources (46)

Url: http://www.securityfocus.com/archive/1/483357/100/0/threaded

Url: http://secunia.com/advisories/29420

Url: http://www.vupen.com/english/advisories/2008/0924/references

Url: http://docs.info.apple.com/article.html?artnum=307562

Url: https://exchange.xforce.ibmcloud.com/vulnerabilities/38277

Url: http://www.vupen.com/english/advisories/2007/4238

Url: http://security.gentoo.org/glsa/glsa-200805-11.xml

Url: http://secunia.com/advisories/30155

Url: https://issues.rpath.com/browse/RPL-1738

Url: http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html

Url: https://www.redhat.com/archives/fedora-package-announce/2008-March/msg00181.html

Url: http://secunia.com/advisories/27538

Url: http://www.pcre.org/changelog.txt

Url: https://nvd.nist.gov/vuln/detail/CVE-2007-4767

Url: http://secunia.com/advisories/28406

Url: http://www.mandriva.com/security/advisories?name=MDKSA-2007:211

Url: http://security.gentoo.org/glsa/glsa-200801-02.xml

Url: http://secunia.com/advisories/30219

Url: http://secunia.com/advisories/27697

Url: http://secunia.com/advisories/27554

Url: http://secunia.com/advisories/27773

Url: http://security.gentoo.org/glsa/glsa-200711-30.xml

Url: http://mail.gnome.org/archives/gtk-devel-list/2007-November/msg00022.html

Url: http://lists.apple.com/archives/security-announce/2007/Dec/msg00002.html

Url: http://secunia.com/advisories/28720

Url: http://www.vupen.com/english/advisories/2007/3790

Url: http://www.securityfocus.com/bid/26346

Url: http://www.securityfocus.com/archive/1/483579/100/0/threaded

Url: http://security.gentoo.org/glsa/glsa-200801-19.xml

Url: http://security.gentoo.org/glsa/glsa-200801-18.xml

Url: http://docs.info.apple.com/article.html?artnum=307179

Url: http://secunia.com/advisories/30106

Url: http://www.debian.org/security/2008/dsa-1570

Url: http://bugs.gentoo.org/show_bug.cgi?id=198976

Url: http://www.debian.org/security/2007/dsa-1399

Url: http://www.vupen.com/english/advisories/2007/3725

Url: http://www.us-cert.gov/cas/techalerts/TA07-352A.html

Url: http://www.novell.com/linux/security/advisories/2007_62_pcre.html

Url: http://secunia.com/advisories/28714

Url: https://usn.ubuntu.com/547-1/

Url: http://secunia.com/advisories/27543

Url: http://secunia.com/advisories/27741

Url: http://secunia.com/advisories/28414

Url: http://secunia.com/advisories/29267

Url: http://secunia.com/advisories/28136

Url: https://www.mend.io/vulnerability-database/CVE-2007-4767

Severity Score

5.3

CVSS v3.1

Base Score:	5.3
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	LOW

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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CVE-2007-4767

Date: November 7, 2007

Severity Score

Related Resources (46)

Severity Score

CVSS v3.1

CVSS v2

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