MEDIUM
: pcre before 7.3 incorrect unicode in char class optimization
Published Nov 7, 2007
6.8
MEDIUMCVSS 2.0
EPSS 4.10%
Description
Heap-based buffer overflow in Perl-Compatible Regular Expression (PCRE) library before 7.3 allows context-dependent attackers to execute arbitrary code via a singleton Unicode sequence in a character class in a regex pattern, which is incorrectly optimized.
Affected products
No data.
No data.
Extras for RHEL 3
flash-plugin-0:9.0.115.0-1.el3.with.oss
Fixed · RHSA-2007:1126
Extras for RHEL 4
flash-plugin-0:9.0.115.0-1.el4
Fixed · RHSA-2007:1126
Supplementary for Red Hat Enterprise Linux 5
flash-plugin-0:9.0.115.0-1.el5
Fixed · RHSA-2007:1126
| Product | Package | State | Advisory |
|---|---|---|---|
| Extras for RHEL 3 | flash-plugin-0:9.0.115.0-1.el3.with.oss | Fixed | RHSA-2007:1126 |
| Extras for RHEL 4 | flash-plugin-0:9.0.115.0-1.el4 | Fixed | RHSA-2007:1126 |
| Supplementary for Red Hat Enterprise Linux 5 | flash-plugin-0:9.0.115.0-1.el5 | Fixed | RHSA-2007:1126 |
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.
4.10% 0.04097
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.04097
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 | 4.10% (0.04097) | 90.42th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.10% (0.04097) | 89.40th | v5 (v2026.06.15) |
| Mar 15, 2026 | 9.60% (0.09602) | 92.77th | v4 (v2025.03.14) |
| Mar 30, 2025 | 12.41% (0.12410) | 93.28th | v4 (v2025.03.14) |
| Mar 29, 2025 | 15.11% (0.15106) | 91.01th | v4 (v2025.03.14) |
| Mar 17, 2025 | 12.41% (0.12410) | 93.35th | v4 (v2025.03.14) |
| Dec 17, 2024 | 5.38% (0.05382) | 93.02th | v3 (v2023.03.01) |
| Dec 12, 2024 | 4.29% (0.04286) | 92.61th | v3 (v2023.03.01) |
| Jun 26, 2024 | 4.08% (0.04081) | 92.21th | v3 (v2023.03.01) |
| Apr 10, 2024 | 4.07% (0.04066) | 91.97th | v3 (v2023.03.01) |
| Mar 7, 2023 | 3.91% (0.03914) | 90.59th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.42% (0.04421) | 88.21th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.42% (0.04421) | 87.03th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.42% (0.04421) | 70.83th | v2 (v2022.01.01) |
Weaknesses (1)
References (64)
- 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/2007-12/msg00007.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_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/28136 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/28157 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/28161 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/28213 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/28570 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://secunia.com/advisories/30507 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/30840 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?1019116 vdb-entryx_refsource_SECTRACK
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-238305-1 vendor-advisoryx_refsource_SUNALERT
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-239286-1 vendor-advisoryx_refsource_SUNALERT
- http://www.adobe.com/support/security/bulletins/apsb07-20.html x_refsource_CONFIRM
- http://www.adobe.com/support/security/bulletins/apsb08-13.html 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.gentoo.org/security/en/glsa/glsa-200801-07.xml vendor-advisoryx_refsource_GENTOO
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:211 vendor-advisoryx_refsource_MANDRIVA
- http://www.redhat.com/support/errata/RHSA-2007-1126.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_BID
- http://www.us-cert.gov/cas/techalerts/TA07-352A.html third-party-advisoryx_refsource_CERTUS Government Resource
- http://www.us-cert.gov/cas/techalerts/TA07-355A.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/2007/4258 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2008/0924/references vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2008/1724/references vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2008/1966/references vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2007-4768 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=392911 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/38278 vdb-entryx_refsource_XF
- https://issues.rpath.com/browse/RPL-1738 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2007-4768
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9701 vdb-entrysignaturex_refsource_OVAL
- https://usn.ubuntu.com/547-1/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2007-4768
- 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-2007-4768
CISA Vulnrichment
Updated n/a