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Vulnerability details: VCID-57yw-tamg-aaan
Vulnerability ID VCID-57yw-tamg-aaan
Aliases CVE-2007-1661
Summary Perl-Compatible Regular Expression (PCRE) library before 7.3 backtracks too far when matching certain input bytes against some regex patterns in non-UTF-8 mode, which allows context-dependent attackers to obtain sensitive information or cause a denial of service (crash), as demonstrated by the "\X?\d" and "\P{L}?\d" patterns.
Status Published
Exploitability 0.5
Weighted Severity 5.8
Risk 2.9
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
generic_textual MODERATE http://docs.info.apple.com/article.html?artnum=307179
generic_textual MODERATE http://lists.apple.com/archives/security-announce/2007/Dec/msg00002.html
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epss 0.13941 https://api.first.org/data/v1/epss?cve=CVE-2007-1661
epss 0.15537 https://api.first.org/data/v1/epss?cve=CVE-2007-1661
rhbs low https://bugzilla.redhat.com/show_bug.cgi?id=392931
generic_textual MODERATE http://secunia.com/advisories/28136
cvssv2 6.4 https://nvd.nist.gov/vuln/detail/CVE-2007-1661
generic_textual MODERATE http://www.us-cert.gov/cas/techalerts/TA07-352A.html
generic_textual MODERATE http://www.vupen.com/english/advisories/2007/4238
Reference id Reference type URL
http://bugs.gentoo.org/show_bug.cgi?id=198976
http://docs.info.apple.com/article.html?artnum=307179
http://docs.info.apple.com/article.html?artnum=307562
http://lists.apple.com/archives/security-announce/2007/Dec/msg00002.html
http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html
http://mail.gnome.org/archives/gtk-devel-list/2007-November/msg00022.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2007-1661.json
https://api.first.org/data/v1/epss?cve=CVE-2007-1661
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1661
http://secunia.com/advisories/27538
http://secunia.com/advisories/27543
http://secunia.com/advisories/27554
http://secunia.com/advisories/27697
http://secunia.com/advisories/27741
http://secunia.com/advisories/27773
http://secunia.com/advisories/28136
http://secunia.com/advisories/28406
http://secunia.com/advisories/28414
http://secunia.com/advisories/28714
http://secunia.com/advisories/28720
http://secunia.com/advisories/29267
http://secunia.com/advisories/29420
http://secunia.com/advisories/30106
http://secunia.com/advisories/30155
http://secunia.com/advisories/30219
http://security.gentoo.org/glsa/glsa-200711-30.xml
http://security.gentoo.org/glsa/glsa-200801-02.xml
http://security.gentoo.org/glsa/glsa-200801-18.xml
http://security.gentoo.org/glsa/glsa-200801-19.xml
http://security.gentoo.org/glsa/glsa-200805-11.xml
https://exchange.xforce.ibmcloud.com/vulnerabilities/38274
https://issues.rpath.com/browse/RPL-1738
https://usn.ubuntu.com/547-1/
https://www.redhat.com/archives/fedora-package-announce/2008-March/msg00181.html
http://www.debian.org/security/2007/dsa-1399
http://www.debian.org/security/2008/dsa-1570
http://www.mandriva.com/security/advisories?name=MDKSA-2007:211
http://www.novell.com/linux/security/advisories/2007_62_pcre.html
http://www.pcre.org/changelog.txt
http://www.securityfocus.com/archive/1/483357/100/0/threaded
http://www.securityfocus.com/archive/1/483579/100/0/threaded
http://www.securityfocus.com/bid/26346
http://www.us-cert.gov/cas/techalerts/TA07-352A.html
http://www.vupen.com/english/advisories/2007/3725
http://www.vupen.com/english/advisories/2007/3790
http://www.vupen.com/english/advisories/2007/4238
http://www.vupen.com/english/advisories/2008/0924/references
392931 https://bugzilla.redhat.com/show_bug.cgi?id=392931
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:pcre:perl-compatible_regular_expression_library:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:pcre:perl-compatible_regular_expression_library:7.0:*:*:*:*:*:*:*
cpe:2.3:a:pcre:perl-compatible_regular_expression_library:7.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:pcre:perl-compatible_regular_expression_library:7.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.4.11:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:mac_os_x:10.4.11:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.4.11:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:mac_os_x_server:10.4.11:*:*:*:*:*:*:*
CVE-2007-1661 https://nvd.nist.gov/vuln/detail/CVE-2007-1661
GLSA-200711-30 https://security.gentoo.org/glsa/200711-30
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2007-1661
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
Exploit Prediction Scoring System (EPSS)
Percentile 0.84638
EPSS Score 0.02716
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.