WebKit: Integer overflow in the PCRE regular expression compiler
Published Apr 17, 2008
6.8
MEDIUMCVSS 2.0
EPSS 4.75%
Description
Integer overflow in the PCRE regular expression compiler (JavaScriptCore/pcre/pcre_compile.cpp) in Apple WebKit, as used in Safari before 3.1.1, allows remote attackers to execute arbitrary code via a regular expression with large, nested repetition counts, which triggers a heap-based buffer overflow.
Affected products
No data.
Running on/with
- 10.4.11
- 10.5.2
- 10.4.11
- 10.5.2
- n/a
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. This issue did not affect versions of pcre as shipped with Red Hat Enterprise Linux 2.1, 3, 4, or 5.
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.
AV:N/AC:M/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
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 (24 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.75% (0.04752) | 91.60th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.75% (0.04752) | 90.69th | v5 (v2026.06.15) |
| Jun 7, 2025 | 4.45% (0.04448) | 88.49th | v4 (v2025.03.14) |
| Mar 17, 2025 | 5.79% (0.05795) | 89.82th | v4 (v2025.03.14) |
| Feb 19, 2025 | 12.57% (0.12572) | 95.53th | v3 (v2023.03.01) |
| Dec 17, 2024 | 14.99% (0.14990) | 95.80th | v3 (v2023.03.01) |
| Dec 5, 2024 | 10.21% (0.10209) | 95.19th | v3 (v2023.03.01) |
| Sep 19, 2024 | 8.79% (0.08794) | 94.66th | v3 (v2023.03.01) |
| Aug 12, 2024 | 9.89% (0.09886) | 94.93th | v3 (v2023.03.01) |
| Jul 7, 2024 | 13.11% (0.13112) | 95.58th | v3 (v2023.03.01) |
| May 30, 2024 | 7.92% (0.07924) | 94.25th | v3 (v2023.03.01) |
| Apr 23, 2024 | 8.47% (0.08470) | 94.34th | v3 (v2023.03.01) |
| Feb 12, 2024 | 8.72% (0.08719) | 94.30th | v3 (v2023.03.01) |
| Jan 7, 2024 | 8.69% (0.08690) | 93.91th | v3 (v2023.03.01) |
| Dec 2, 2023 | 9.02% (0.09021) | 93.97th | v3 (v2023.03.01) |
| Oct 27, 2023 | 7.93% (0.07931) | 93.52th | v3 (v2023.03.01) |
| Sep 21, 2023 | 8.38% (0.08375) | 93.63th | v3 (v2023.03.01) |
| Jun 7, 2023 | 7.86% (0.07861) | 93.30th | v3 (v2023.03.01) |
| May 1, 2023 | 7.34% (0.07340) | 93.06th | v3 (v2023.03.01) |
| Mar 25, 2023 | 6.65% (0.06649) | 92.67th | v3 (v2023.03.01) |
| Mar 7, 2023 | 5.75% (0.05745) | 92.14th | v3 (v2023.03.01) |
| Mar 6, 2023 | 9.17% (0.09174) | 94.20th | v2 (v2022.01.01) |
| Apr 1, 2022 | 9.17% (0.09174) | 93.66th | v2 (v2022.01.01) |
| Feb 4, 2022 | 9.17% (0.09174) | 86.96th | v2 (v2022.01.01) |
References (17)
- http://lists.apple.com/archives/security-announce/2008//Jul/msg00001.html vendor-advisoryx_refsource_APPLE
- http://lists.apple.com/archives/security-announce/2008/Apr/msg00001.html vendor-advisoryx_refsource_APPLE
- http://secunia.com/advisories/29846 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/31074 third-party-advisoryx_refsource_SECUNIA
- http://securityreason.com/securityalert/3815 third-party-advisoryx_refsource_SREASON
- http://support.apple.com/kb/HT1467 x_refsource_CONFIRMPatch
- http://www.securityfocus.com/archive/1/490990/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/28815 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1019870 vdb-entryx_refsource_SECTRACK
- http://www.vupen.com/english/advisories/2008/1250/references vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2008/2094/references vdb-entryx_refsource_VUPEN
- http://www.zerodayinitiative.com/advisories/ZDI-08-022 x_refsource_MISCPatch
- https://access.redhat.com/security/cve/CVE-2008-1026 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=443780 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/41859 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2008-1026
- https://www.cve.org/CVERecord?id=CVE-2008-1026
Change history (0)
No recorded changes yet.