MEDIUM
libicu poor back reference validation
Published Jan 28, 2008
6.8
MEDIUMCVSS 2.0
EPSS 2.93%
Description
libicu in International Components for Unicode (ICU) 3.8.1 and earlier attempts to process backreferences to the nonexistent capture group zero (aka \0), which might allow context-dependent attackers to read from, or write to, out-of-bounds memory locations, related to corruption of REStackFrames.
Affected products
No data.
- ≤ 3.8.1
No data.
Red Hat Enterprise Linux 5
icu-0:3.6-5.11.1
Fixed · RHSA-2008:0090
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | icu-0:3.6-5.11.1 | Fixed | RHSA-2008:0090 |
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.
2.93% 0.02934
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02934
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 | 2.93% (0.02934) | 86.62th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.82% (0.02819) | 84.67th | v5 (v2026.06.15) |
| Jan 4, 2026 | 3.67% (0.03670) | 87.53th | v4 (v2025.03.14) |
| Mar 30, 2025 | 2.51% (0.02509) | 83.99th | v4 (v2025.03.14) |
| Mar 29, 2025 | 6.22% (0.06225) | 84.38th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.51% (0.02509) | 84.30th | v4 (v2025.03.14) |
| Jan 8, 2025 | 3.14% (0.03139) | 90.94th | v3 (v2023.03.01) |
| Dec 12, 2024 | 1.17% (0.01166) | 85.57th | v3 (v2023.03.01) |
| Jul 1, 2024 | 0.75% (0.00747) | 81.05th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.66% (0.00663) | 79.01th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.66% (0.00663) | 76.50th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.69% (0.02686) | 81.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.69% (0.02686) | 62.66th | v2 (v2022.01.01) |
Weaknesses (1)
References (43)
- http://lists.opensuse.org/opensuse-security-announce/2008-03/msg00001.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2008-0090.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://secunia.com/advisories/28575 third-party-advisoryx_refsource_SECUNIAPermissions Required
- http://secunia.com/advisories/28615 third-party-advisoryx_refsource_SECUNIAPermissions Required
- http://secunia.com/advisories/28669 third-party-advisoryx_refsource_SECUNIAPermissions Required
- http://secunia.com/advisories/28783 third-party-advisoryx_refsource_SECUNIAPermissions Required
- http://secunia.com/advisories/29194 third-party-advisoryx_refsource_SECUNIAPermissions Required
- http://secunia.com/advisories/29242 third-party-advisoryx_refsource_SECUNIAPermissions Required
- http://secunia.com/advisories/29291 third-party-advisoryx_refsource_SECUNIAPermissions Required
- http://secunia.com/advisories/29294 third-party-advisoryx_refsource_SECUNIAPermissions Required
- http://secunia.com/advisories/29333 third-party-advisoryx_refsource_SECUNIAPermissions Required
- http://secunia.com/advisories/29852 third-party-advisoryx_refsource_SECUNIAPermissions Required
- http://secunia.com/advisories/29910 third-party-advisoryx_refsource_SECUNIAPermissions Required
- http://secunia.com/advisories/29987 third-party-advisoryx_refsource_SECUNIAPermissions Required
- http://secunia.com/advisories/30179 third-party-advisoryx_refsource_SECUNIAPermissions Required
- http://security.gentoo.org/glsa/glsa-200803-20.xml vendor-advisoryx_refsource_GENTOOThird Party Advisory
- http://security.gentoo.org/glsa/glsa-200805-16.xml vendor-advisoryx_refsource_GENTOOThird Party Advisory
- http://securitytracker.com/id?1019269 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- http://sourceforge.net/mailarchive/message.php?msg_name=d03a2ffb0801221538x68825e42xb4a4aaf0fcccecbd%40mail.gmail.com mailing-listx_refsource_MLISTBroken LinkPatchThird Party Advisory
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-231641-1 vendor-advisoryx_refsource_SUNALERTBroken Link
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-233922-1 vendor-advisoryx_refsource_SUNALERTBroken Link
- http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0043 x_refsource_CONFIRMThird Party Advisory
- http://www.debian.org/security/2008/dsa-1511 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:026 vendor-advisoryx_refsource_MANDRIVABroken Link
- http://www.novell.com/linux/security/advisories/2008_23_openoffice.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://www.openoffice.org/security/cves/CVE-2007-4770.html x_refsource_CONFIRMThird Party Advisory
- http://www.openoffice.org/security/cves/CVE-2007-5745.html x_refsource_CONFIRMThird Party Advisory
- http://www.securityfocus.com/archive/1/487677/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/27455 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/usn-591-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.vupen.com/english/advisories/2008/0282 vdb-entryx_refsource_VUPENThird Party Advisory
- http://www.vupen.com/english/advisories/2008/0807/references vdb-entryx_refsource_VUPENThird Party Advisory
- http://www.vupen.com/english/advisories/2008/1375/references vdb-entryx_refsource_VUPENThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2007-4770 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=429023 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/39938 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
- https://issues.rpath.com/browse/RPL-2199 x_refsource_CONFIRMThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2007-4770
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11172 vdb-entrysignaturex_refsource_OVALThird Party Advisory
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5507 vdb-entrysignaturex_refsource_OVALThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2007-4770
- https://www.redhat.com/archives/fedora-package-announce/2008-January/msg00896.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
- https://www.redhat.com/archives/fedora-package-announce/2008-January/msg00921.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jan 28, 2008
Updated Aug 7, 2024
Reserved Sep 10, 2007
Link CVE-2007-4770
CISA Vulnrichment
Updated n/a