MEDIUM
: pcre < 7.3 \p, \P, \P{x] length calculation issue
Published Nov 7, 2007
5.0
MEDIUMCVSS 2.0
EPSS 5.07%
Description
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.
Affected products
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.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
5.07% 0.05070
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.05070
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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.07% (0.05070) | 92.06th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.07% (0.05070) | 91.20th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.61% (0.02611) | 84.31th | v4 (v2025.03.14) |
| Mar 29, 2025 | 5.73% (0.05735) | 83.67th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.40% (0.02395) | 83.94th | v4 (v2025.03.14) |
| Dec 12, 2024 | 4.36% (0.04356) | 92.66th | v3 (v2023.03.01) |
| Sep 10, 2024 | 4.36% (0.04356) | 92.53th | v3 (v2023.03.01) |
| Jun 26, 2024 | 3.04% (0.03043) | 91.04th | v3 (v2023.03.01) |
| Apr 10, 2024 | 2.26% (0.02259) | 89.41th | v3 (v2023.03.01) |
| Apr 12, 2023 | 2.17% (0.02172) | 87.66th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.24% (0.02244) | 87.78th | 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 (0)
No CWE recorded.
References (48)
- 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://mail.gnome.org/archives/gtk-devel-list/2007-November/msg00022.html mailing-listx_refsource_MLIST
- http://secunia.com/advisories/27538 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/27543 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/27554 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/27697 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/27741 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/27773 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/28136 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/28406 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/28414 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/28714 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/28720 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/29267 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/29420 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/30106 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/30155 third-party-advisoryx_refsource_SECUNIA
- 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://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.novell.com/linux/security/advisories/2007_62_pcre.html vendor-advisoryx_refsource_SUSE
- http://www.pcre.org/changelog.txt x_refsource_CONFIRM
- 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_BID
- 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-2007-4767 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=392901 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/38277 vdb-entryx_refsource_XF
- https://issues.rpath.com/browse/RPL-1738 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2007-4767
- https://usn.ubuntu.com/547-1/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2007-4767
- 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 Sep 10, 2007
Link CVE-2007-4767
CISA Vulnrichment
Updated n/a