CVE-2007-1660
Perl-Compatible Regular Expression (PCRE) library before 7.0 does not properly calculate sizes...
Perl-Compatible Regular Expression (PCRE) library before 7.0 does not properly calculate sizes for unspecified "multiple forms of character class", which triggers a buffer overflow that allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code.
Exploit likelihood
What each source reports
NVD Score used
6.8
Perl-Compatible Regular Expression (PCRE) library before 7.0 does not properly calculate sizes for unspecified "multiple forms of character class", which triggers a buffer overflow that allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code.
- Record
CVE-2007-1660- CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
Perl-Compatible Regular Expression (PCRE) library before 7.0 does not properly calculate sizes for unspecified "multiple forms of character class", which triggers a buffer overflow that allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code.
- Record
CVE-2007-1660- Updated
- 2026-11-02
EUVDEUVD-2007-1654 No score
Perl-Compatible Regular Expression (PCRE) library before 7.0 does not properly calculate sizes for unspecified "multiple forms of character class", which triggers a buffer overflow that allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code.
- Record
EUVD-2007-1654- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-v294-5p22-v3ph No score
Perl-Compatible Regular Expression (PCRE) library before 7.0 does not properly calculate sizes...
Perl-Compatible Regular Expression (PCRE) library before 7.0 does not properly calculate sizes for unspecified "multiple forms of character class", which triggers a buffer overflow that allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code.
- Record
GHSA-v294-5p22-v3ph- Weakness
- CWE-119
- Updated
- 2026-11-02
OSV No score
Perl-Compatible Regular Expression (PCRE) library before 7.0 does not properly calculate sizes for unspecified "multiple forms of character class", which triggers a buffer overflow that allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code.
- Record
CVE-2007-1660- Updated
- 2026-11-02
OSVDEBIAN-CVE-2007-1660 No score
Perl-Compatible Regular Expression (PCRE) library before 7.0 does not properly calculate sizes for unspecified "multiple forms of character class", which triggers a buffer overflow that allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code.
- Record
DEBIAN-CVE-2007-1660- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
glib2.0Debian:12 |
before 2.14.3-1 | 2.14.3-1 |
glib2.0Debian:13 |
before 2.14.3-1 | 2.14.3-1 |
glib2.0Debian:14 |
before 2.14.3-1 | 2.14.3-1 |
pcre3Debian:12 |
before 7.3-1 | 7.3-1 |
pcre3Debian:3.1 From an advisory covering 7 CVEs |
before 4.5+7.4-1, plus listed versions 4.5-1.24.5-1.2sarge1 |
4.5+7.4-1 |
pcre3Debian:4.0 From an advisory covering 7 CVEs |
before 6.7+7.4-2, plus listed versions 6.7+7.4-16.7-1 |
6.7+7.4-2 |
kazehakaseDebian:4.0 From an advisory covering 10 CVEs |
before 0.4.2-1etch1, plus listed versions 0.4.2-1 |
0.4.2-1etch1 |
pcre3Debian:5.0 From an advisory covering 7 CVEs |
before 6.7+7.4-2+lenny1 | 6.7+7.4-2+lenny1 |
pcreRed Hat:enterprise_linux:5::client_workstation From an advisory covering 2 CVEs |
before 0:6.6-2.el5_0.1 | 0:6.6-2.el5_0.1 |
pcre-debuginfoRed Hat:enterprise_linux:5::client_workstation From an advisory covering 2 CVEs |
before 0:6.6-2.el5_0.1 | 0:6.6-2.el5_0.1 |
Show 70 moreShow less
| Package | Affected | Fixed |
|---|---|---|
pcre-develRed Hat:enterprise_linux:5::client_workstation From an advisory covering 2 CVEs |
before 0:6.6-2.el5_0.1 | 0:6.6-2.el5_0.1 |
pcreRed Hat:enterprise_linux:5::client From an advisory covering 2 CVEs |
before 0:6.6-2.el5_0.1 | 0:6.6-2.el5_0.1 |
pcre-debuginfoRed Hat:enterprise_linux:5::client From an advisory covering 2 CVEs |
before 0:6.6-2.el5_0.1 | 0:6.6-2.el5_0.1 |
pcreRed Hat:enterprise_linux:5::server From an advisory covering 2 CVEs |
before 0:6.6-2.el5_0.1 | 0:6.6-2.el5_0.1 |
pcre-debuginfoRed Hat:enterprise_linux:5::server From an advisory covering 2 CVEs |
before 0:6.6-2.el5_0.1 | 0:6.6-2.el5_0.1 |
pcre-develRed Hat:enterprise_linux:5::server From an advisory covering 2 CVEs |
before 0:6.6-2.el5_0.1 | 0:6.6-2.el5_0.1 |
pcreRed Hat:enterprise_linux:4::as |
before 0:4.5-4.el4_5.1 | 0:4.5-4.el4_5.1 |
pcre-debuginfoRed Hat:enterprise_linux:4::as |
before 0:4.5-4.el4_5.1 | 0:4.5-4.el4_5.1 |
pcre-develRed Hat:enterprise_linux:4::as |
before 0:4.5-4.el4_5.1 | 0:4.5-4.el4_5.1 |
pcreRed Hat:enterprise_linux:4::desktop |
before 0:4.5-4.el4_5.1 | 0:4.5-4.el4_5.1 |
pcre-debuginfoRed Hat:enterprise_linux:4::desktop |
before 0:4.5-4.el4_5.1 | 0:4.5-4.el4_5.1 |
pcre-develRed Hat:enterprise_linux:4::desktop |
before 0:4.5-4.el4_5.1 | 0:4.5-4.el4_5.1 |
pcreRed Hat:enterprise_linux:4::es |
before 0:4.5-4.el4_5.1 | 0:4.5-4.el4_5.1 |
pcre-debuginfoRed Hat:enterprise_linux:4::es |
before 0:4.5-4.el4_5.1 | 0:4.5-4.el4_5.1 |
pcre-develRed Hat:enterprise_linux:4::es |
before 0:4.5-4.el4_5.1 | 0:4.5-4.el4_5.1 |
pcreRed Hat:enterprise_linux:4::ws |
before 0:4.5-4.el4_5.1 | 0:4.5-4.el4_5.1 |
pcre-debuginfoRed Hat:enterprise_linux:4::ws |
before 0:4.5-4.el4_5.1 | 0:4.5-4.el4_5.1 |
pcre-develRed Hat:enterprise_linux:4::ws |
before 0:4.5-4.el4_5.1 | 0:4.5-4.el4_5.1 |
pcreRed Hat:enterprise_linux:3::as From an advisory covering 2 CVEs |
before 0:3.9-10.4 | 0:3.9-10.4 |
pcre-debuginfoRed Hat:enterprise_linux:3::as From an advisory covering 2 CVEs |
before 0:3.9-10.4 | 0:3.9-10.4 |
pcre-develRed Hat:enterprise_linux:3::as From an advisory covering 2 CVEs |
before 0:3.9-10.4 | 0:3.9-10.4 |
pcreRed Hat:enterprise_linux:3::desktop From an advisory covering 2 CVEs |
before 0:3.9-10.4 | 0:3.9-10.4 |
pcre-debuginfoRed Hat:enterprise_linux:3::desktop From an advisory covering 2 CVEs |
before 0:3.9-10.4 | 0:3.9-10.4 |
pcre-develRed Hat:enterprise_linux:3::desktop From an advisory covering 2 CVEs |
before 0:3.9-10.4 | 0:3.9-10.4 |
pcreRed Hat:enterprise_linux:3::es From an advisory covering 2 CVEs |
before 0:3.9-10.4 | 0:3.9-10.4 |
pcre-debuginfoRed Hat:enterprise_linux:3::es From an advisory covering 2 CVEs |
before 0:3.9-10.4 | 0:3.9-10.4 |
pcre-develRed Hat:enterprise_linux:3::es From an advisory covering 2 CVEs |
before 0:3.9-10.4 | 0:3.9-10.4 |
pcreRed Hat:enterprise_linux:3::ws From an advisory covering 2 CVEs |
before 0:3.9-10.4 | 0:3.9-10.4 |
pcre-debuginfoRed Hat:enterprise_linux:3::ws From an advisory covering 2 CVEs |
before 0:3.9-10.4 | 0:3.9-10.4 |
pcre-develRed Hat:enterprise_linux:3::ws From an advisory covering 2 CVEs |
before 0:3.9-10.4 | 0:3.9-10.4 |
pcreRed Hat:enterprise_linux:2.1::as From an advisory covering 2 CVEs |
before 0:3.4-2.4 | 0:3.4-2.4 |
pcre-develRed Hat:enterprise_linux:2.1::as From an advisory covering 2 CVEs |
before 0:3.4-2.4 | 0:3.4-2.4 |
pcreRed Hat:enterprise_linux:2.1::aw From an advisory covering 2 CVEs |
before 0:3.4-2.4 | 0:3.4-2.4 |
pcre-develRed Hat:enterprise_linux:2.1::aw From an advisory covering 2 CVEs |
before 0:3.4-2.4 | 0:3.4-2.4 |
pcreRed Hat:enterprise_linux:2.1::es From an advisory covering 2 CVEs |
before 0:3.4-2.4 | 0:3.4-2.4 |
pcre-develRed Hat:enterprise_linux:2.1::es From an advisory covering 2 CVEs |
before 0:3.4-2.4 | 0:3.4-2.4 |
pcreRed Hat:enterprise_linux:2.1::ws From an advisory covering 2 CVEs |
before 0:3.4-2.4 | 0:3.4-2.4 |
pcre-develRed Hat:enterprise_linux:2.1::ws From an advisory covering 2 CVEs |
before 0:3.4-2.4 | 0:3.4-2.4 |
phpRed Hat:enterprise_linux:2.1::as From an advisory covering 7 CVEs |
before 0:4.1.2-2.20 | 0:4.1.2-2.20 |
php-develRed Hat:enterprise_linux:2.1::as From an advisory covering 7 CVEs |
before 0:4.1.2-2.20 | 0:4.1.2-2.20 |
php-imapRed Hat:enterprise_linux:2.1::as From an advisory covering 7 CVEs |
before 0:4.1.2-2.20 | 0:4.1.2-2.20 |
php-ldapRed Hat:enterprise_linux:2.1::as From an advisory covering 7 CVEs |
before 0:4.1.2-2.20 | 0:4.1.2-2.20 |
php-manualRed Hat:enterprise_linux:2.1::as From an advisory covering 7 CVEs |
before 0:4.1.2-2.20 | 0:4.1.2-2.20 |
php-mysqlRed Hat:enterprise_linux:2.1::as From an advisory covering 7 CVEs |
before 0:4.1.2-2.20 | 0:4.1.2-2.20 |
php-odbcRed Hat:enterprise_linux:2.1::as From an advisory covering 7 CVEs |
before 0:4.1.2-2.20 | 0:4.1.2-2.20 |
php-pgsqlRed Hat:enterprise_linux:2.1::as From an advisory covering 7 CVEs |
before 0:4.1.2-2.20 | 0:4.1.2-2.20 |
phpRed Hat:enterprise_linux:2.1::aw From an advisory covering 7 CVEs |
before 0:4.1.2-2.20 | 0:4.1.2-2.20 |
php-develRed Hat:enterprise_linux:2.1::aw From an advisory covering 7 CVEs |
before 0:4.1.2-2.20 | 0:4.1.2-2.20 |
php-imapRed Hat:enterprise_linux:2.1::aw From an advisory covering 7 CVEs |
before 0:4.1.2-2.20 | 0:4.1.2-2.20 |
php-ldapRed Hat:enterprise_linux:2.1::aw From an advisory covering 7 CVEs |
before 0:4.1.2-2.20 | 0:4.1.2-2.20 |
php-manualRed Hat:enterprise_linux:2.1::aw From an advisory covering 7 CVEs |
before 0:4.1.2-2.20 | 0:4.1.2-2.20 |
php-mysqlRed Hat:enterprise_linux:2.1::aw From an advisory covering 7 CVEs |
before 0:4.1.2-2.20 | 0:4.1.2-2.20 |
php-odbcRed Hat:enterprise_linux:2.1::aw From an advisory covering 7 CVEs |
before 0:4.1.2-2.20 | 0:4.1.2-2.20 |
php-pgsqlRed Hat:enterprise_linux:2.1::aw From an advisory covering 7 CVEs |
before 0:4.1.2-2.20 | 0:4.1.2-2.20 |
phpRed Hat:enterprise_linux:2.1::es From an advisory covering 7 CVEs |
before 0:4.1.2-2.20 | 0:4.1.2-2.20 |
php-develRed Hat:enterprise_linux:2.1::es From an advisory covering 7 CVEs |
before 0:4.1.2-2.20 | 0:4.1.2-2.20 |
php-imapRed Hat:enterprise_linux:2.1::es From an advisory covering 7 CVEs |
before 0:4.1.2-2.20 | 0:4.1.2-2.20 |
php-ldapRed Hat:enterprise_linux:2.1::es From an advisory covering 7 CVEs |
before 0:4.1.2-2.20 | 0:4.1.2-2.20 |
php-manualRed Hat:enterprise_linux:2.1::es From an advisory covering 7 CVEs |
before 0:4.1.2-2.20 | 0:4.1.2-2.20 |
php-mysqlRed Hat:enterprise_linux:2.1::es From an advisory covering 7 CVEs |
before 0:4.1.2-2.20 | 0:4.1.2-2.20 |
php-odbcRed Hat:enterprise_linux:2.1::es From an advisory covering 7 CVEs |
before 0:4.1.2-2.20 | 0:4.1.2-2.20 |
php-pgsqlRed Hat:enterprise_linux:2.1::es From an advisory covering 7 CVEs |
before 0:4.1.2-2.20 | 0:4.1.2-2.20 |
phpRed Hat:enterprise_linux:2.1::ws From an advisory covering 7 CVEs |
before 0:4.1.2-2.20 | 0:4.1.2-2.20 |
php-develRed Hat:enterprise_linux:2.1::ws From an advisory covering 7 CVEs |
before 0:4.1.2-2.20 | 0:4.1.2-2.20 |
php-imapRed Hat:enterprise_linux:2.1::ws From an advisory covering 7 CVEs |
before 0:4.1.2-2.20 | 0:4.1.2-2.20 |
php-ldapRed Hat:enterprise_linux:2.1::ws From an advisory covering 7 CVEs |
before 0:4.1.2-2.20 | 0:4.1.2-2.20 |
php-manualRed Hat:enterprise_linux:2.1::ws From an advisory covering 7 CVEs |
before 0:4.1.2-2.20 | 0:4.1.2-2.20 |
php-mysqlRed Hat:enterprise_linux:2.1::ws From an advisory covering 7 CVEs |
before 0:4.1.2-2.20 | 0:4.1.2-2.20 |
php-odbcRed Hat:enterprise_linux:2.1::ws From an advisory covering 7 CVEs |
before 0:4.1.2-2.20 | 0:4.1.2-2.20 |
php-pgsqlRed Hat:enterprise_linux:2.1::ws From an advisory covering 7 CVEs |
before 0:4.1.2-2.20 | 0:4.1.2-2.20 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| aliases | ||
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2007-1660 is a medium vulnerability (CVSS 6.8) in Pcre, published November 5, 2007. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.08%, the 90th percentile. Fixed in glib2.0 2.14.3-1.
References
secunia.com/advisories/30219
mandriva.com/security/advisories?name=MDKSA-2007:212
secunia.com/advisories/27965
secunia.com/advisories/27776
usn.ubuntu.com/547-1
security.gentoo.org/glsa/glsa-200711-30.xml
Show 104 moreShow less
vupen.com/english/advisories/2007/4238
securityfocus.com/archive/1/483357/100/0/threaded
redhat.com/support/errata/RHSA-2007-0968.html
us-cert.gov/cas/techalerts/TA07-352A.html
secunia.com/advisories/27538
securityfocus.com/archive/1/483579/100/0/threaded
secunia.com/advisories/28136
redhat.com/support/errata/RHSA-2008-0546.html
secunia.com/advisories/27862
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10562
debian.org/security/2008/dsa-1570
lists.opensuse.org/opensuse-security-announce/2008-01/msg00006.html
issues.rpath.com/browse/RPL-1738
secunia.com/advisories/28658
secunia.com/advisories/27773
secunia.com/advisories/27697
exchange.xforce.ibmcloud.com/vulnerabilities/38273
secunia.com/advisories/28406
secunia.com/advisories/27554
vupen.com/english/advisories/2008/0924/references
securityfocus.com/archive/1/490917/100/0/threaded
redhat.com/support/errata/RHSA-2007-1065.html
secunia.com/advisories/31124
novell.com/linux/security/advisories/2007_25_sr.html
secunia.com/advisories/27547
secunia.com/advisories/27543
support.avaya.com/elmodocs2/security/ASA-2007-488.htm
secunia.com/advisories/29785
mail.gnome.org/archives/gtk-devel-list/2007-November/msg00022.html
secunia.com/advisories/29420
lists.apple.com/archives/security-announce/2007/Dec/msg00002.html
security.gentoo.org/glsa/glsa-200805-11.xml
lists.apple.com/archives/security-announce/2008/Mar/msg00001.html
mandriva.com/security/advisories?name=MDKSA-2007:211
vupen.com/english/advisories/2008/1234/references
mandriva.com/security/advisories?name=MDKSA-2007:213
docs.info.apple.com/article.html?artnum=307179
secunia.com/advisories/27741
vupen.com/english/advisories/2007/3790
securitytracker.com/id?1018895
vupen.com/english/advisories/2007/3725
novell.com/linux/security/advisories/2007_62_pcre.html
docs.info.apple.com/article.html?artnum=307562
secunia.com/advisories/30155
redhat.com/support/errata/RHSA-2007-1063.html
redhat.com/support/errata/RHSA-2007-0967.html
secunia.com/advisories/28720
security.gentoo.org/glsa/glsa-200801-02.xml
bugzilla.redhat.com/show_bug.cgi?id=315881
lists.vmware.com/pipermail/security-announce/2008/000014.html
secunia.com/advisories/27598
bugs.gentoo.org/show_bug.cgi?id=198976
security.gentoo.org/glsa/glsa-200801-19.xml
security.gentoo.org/glsa/glsa-200801-18.xml
debian.org/security/2007/dsa-1399
secunia.com/advisories/28414
securityfocus.com/bid/26346
secunia.com/advisories/30106
secunia.com/advisories/28714
nvd.nist.gov/vuln/detail/CVE-2007-1660
github.com/advisories/GHSA-v294-5p22-v3ph
security-tracker.debian.org/tracker/CVE-2007-1660
access.redhat.com/errata/RHSA-2007:0967
bugzilla.redhat.com/show_bug.cgi?id=315871
redhat.com/security/updates/classification
security.access.redhat.com/data/csaf/v2/advisories/2007/rhsa-2007_0967.json
access.redhat.com/security/cve/CVE-2007-1659
cve.org/CVERecord?id=CVE-2007-1659
nvd.nist.gov/vuln/detail/CVE-2007-1659
access.redhat.com/security/cve/CVE-2007-1660
cve.org/CVERecord?id=CVE-2007-1660
access.redhat.com/errata/RHSA-2007:0968
security.access.redhat.com/data/csaf/v2/advisories/2007/rhsa-2007_0968.json
access.redhat.com/errata/RHSA-2007:1063
bugzilla.redhat.com/show_bug.cgi?id=383371
access.redhat.com/security/updates/classification
security.access.redhat.com/data/csaf/v2/advisories/2007/rhsa-2007_1063.json
access.redhat.com/security/cve/CVE-2006-7228
cve.org/CVERecord?id=CVE-2006-7228
nvd.nist.gov/vuln/detail/CVE-2006-7228
access.redhat.com/errata/RHSA-2007:1065
security.access.redhat.com/data/csaf/v2/advisories/2007/rhsa-2007_1065.json
access.redhat.com/errata/RHSA-2008:0546
bugzilla.redhat.com/show_bug.cgi?id=382411
bugzilla.redhat.com/show_bug.cgi?id=382431
bugzilla.redhat.com/show_bug.cgi?id=445006
bugzilla.redhat.com/show_bug.cgi?id=445684
bugzilla.redhat.com/show_bug.cgi?id=445685
security.access.redhat.com/data/csaf/v2/advisories/2008/rhsa-2008_0546.json
access.redhat.com/security/cve/CVE-2007-5898
cve.org/CVERecord?id=CVE-2007-5898
nvd.nist.gov/vuln/detail/CVE-2007-5898
access.redhat.com/security/cve/CVE-2007-5899
cve.org/CVERecord?id=CVE-2007-5899
nvd.nist.gov/vuln/detail/CVE-2007-5899
access.redhat.com/security/cve/CVE-2008-2051
cve.org/CVERecord?id=CVE-2008-2051
nvd.nist.gov/vuln/detail/CVE-2008-2051
access.redhat.com/security/cve/CVE-2008-2107
cve.org/CVERecord?id=CVE-2008-2107
nvd.nist.gov/vuln/detail/CVE-2008-2107
access.redhat.com/security/cve/CVE-2008-2108
cve.org/CVERecord?id=CVE-2008-2108
nvd.nist.gov/vuln/detail/CVE-2008-2108