MEDIUM
pcre regular expression flaws
Published Nov 7, 2007
6.8
MEDIUMCVSS 2.0
EPSS 3.53%
Description
Perl-Compatible Regular Expression (PCRE) library before 7.3 allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via regex patterns containing unmatched "\Q\E" sequences with orphan "\E" codes.
Affected products
No data.
No data.
Red Hat Enterprise Linux 4
pcre-0:4.5-4.el4_6.6
Fixed · RHSA-2007:1068
Red Hat Enterprise Linux 5
pcre-0:6.6-2.el5_0.1
Fixed · RHSA-2007:0967
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | pcre-0:4.5-4.el4_6.6 | Fixed | RHSA-2007:1068 |
| Red Hat Enterprise Linux 5 | pcre-0:6.6-2.el5_0.1 | Fixed | RHSA-2007:0967 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
6.8 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.53% 0.03530
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03530
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.53% (0.03530) | 88.87th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.53% (0.03530) | 87.71th | v5 (v2026.06.15) |
| Mar 30, 2025 | 5.34% (0.05344) | 89.09th | v4 (v2025.03.14) |
| Mar 29, 2025 | 13.85% (0.13851) | 90.49th | v4 (v2025.03.14) |
| Mar 17, 2025 | 5.34% (0.05344) | 89.36th | v4 (v2025.03.14) |
| Dec 12, 2024 | 4.24% (0.04239) | 92.58th | v3 (v2023.03.01) |
| Jun 26, 2024 | 4.04% (0.04036) | 92.16th | v3 (v2023.03.01) |
| Apr 10, 2024 | 4.02% (0.04021) | 91.92th | v3 (v2023.03.01) |
| Mar 7, 2023 | 3.87% (0.03870) | 90.54th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.23% (0.04229) | 87.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.23% (0.04229) | 86.19th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.23% (0.04229) | 69.94th | v2 (v2022.01.01) |
Weaknesses (1)
References (62)
- http://bugs.gentoo.org/show_bug.cgi?id=198976 x_refsource_MISC
- http://docs.info.apple.com/article.html?artnum=307179 x_refsource_CONFIRM
- http://docs.info.apple.com/article.html?artnum=307562 x_refsource_CONFIRM
- http://lists.apple.com/archives/security-announce/2007/Dec/msg00002.html vendor-advisoryx_refsource_APPLE
- http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html vendor-advisoryx_refsource_APPLE
- http://lists.opensuse.org/opensuse-security-announce/2008-01/msg00006.html vendor-advisoryx_refsource_SUSE
- http://mail.gnome.org/archives/gtk-devel-list/2007-November/msg00022.html mailing-listx_refsource_MLIST
- http://secunia.com/advisories/27538 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/27543 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/27547 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/27554 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/27598 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/27697 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/27741 third-party-advisoryx_refsource_SECUNIAVendor Advisory
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- http://secunia.com/advisories/27965 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/28041 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/28136 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/28406 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/28414 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/28658 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/28714 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/28720 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/29267 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/29420 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/30106 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/30155 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/30219 third-party-advisoryx_refsource_SECUNIA
- http://security.gentoo.org/glsa/glsa-200711-30.xml vendor-advisoryx_refsource_GENTOO
- http://security.gentoo.org/glsa/glsa-200801-02.xml vendor-advisoryx_refsource_GENTOO
- http://security.gentoo.org/glsa/glsa-200801-18.xml vendor-advisoryx_refsource_GENTOO
- http://security.gentoo.org/glsa/glsa-200801-19.xml vendor-advisoryx_refsource_GENTOO
- http://security.gentoo.org/glsa/glsa-200805-11.xml vendor-advisoryx_refsource_GENTOO
- http://securitytracker.com/id?1018895 vdb-entryx_refsource_SECTRACK
- http://support.avaya.com/elmodocs2/security/ASA-2007-505.htm x_refsource_CONFIRM
- http://www.debian.org/security/2007/dsa-1399 vendor-advisoryx_refsource_DEBIAN
- http://www.debian.org/security/2008/dsa-1570 vendor-advisoryx_refsource_DEBIAN
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:211 vendor-advisoryx_refsource_MANDRIVA
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:212 vendor-advisoryx_refsource_MANDRIVA
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:030 vendor-advisoryx_refsource_MANDRIVA
- http://www.novell.com/linux/security/advisories/2007_25_sr.html vendor-advisoryx_refsource_SUSE
- http://www.novell.com/linux/security/advisories/2007_62_pcre.html vendor-advisoryx_refsource_SUSE
- http://www.pcre.org/changelog.txt x_refsource_CONFIRM
- http://www.redhat.com/support/errata/RHSA-2007-0967.html vendor-advisoryx_refsource_REDHAT
- http://www.redhat.com/support/errata/RHSA-2007-1068.html vendor-advisoryx_refsource_REDHAT
- http://www.securityfocus.com/archive/1/483357/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/archive/1/483579/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/26346 vdb-entryx_refsource_BIDPatch
- http://www.us-cert.gov/cas/techalerts/TA07-352A.html third-party-advisoryx_refsource_CERTUS Government Resource
- http://www.vupen.com/english/advisories/2007/3725 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2007/3790 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2007/4238 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2008/0924/references vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2007-1659 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=315871 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/38272 vdb-entryx_refsource_XF
- https://issues.rpath.com/browse/RPL-1738 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2007-1659
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9725 vdb-entrysignaturex_refsource_OVAL
- https://usn.ubuntu.com/547-1/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2007-1659
- https://www.redhat.com/archives/fedora-package-announce/2008-March/msg00181.html vendor-advisoryx_refsource_FEDORA
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Nov 7, 2007
Updated Aug 7, 2024
Reserved Mar 24, 2007
Link CVE-2007-1659
CISA Vulnrichment
Updated n/a