Multiple heap-based buffer overflows in the Perl Compatible Regular Expressions (PCRE) library in the JavaScript engine in WebKit in Apple Safari 3 Beta before Update 3.0.3, and iPhone before 1.0.1, allow remote attackers to execute arbitrary code via certain JavaScript regular expressions
Published Jul 23, 2007
9.3
HIGHCVSS 2.0
EPSS 6.53%
Description
Multiple heap-based buffer overflows in the Perl Compatible Regular Expressions (PCRE) library in the JavaScript engine in WebKit in Apple Safari 3 Beta before Update 3.0.3, and iPhone before 1.0.1, allow remote attackers to execute arbitrary code via certain JavaScript regular expressions. NOTE: this issue was originally reported only for MobileSafari on the iPhone. NOTE: it is not clear whether this stems from an issue in the original distribution of PCRE, which might already have a separate CVE identifier.
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.
AV:N/AC:M/Au:N/C:C/I:C/A:C
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 (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 6.53% (0.06533) | 93.59th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.53% (0.06533) | 92.90th | v5 (v2026.06.15) |
| Dec 18, 2025 | 18.06% (0.18061) | 94.94th | v4 (v2025.03.14) |
| Mar 30, 2025 | 36.79% (0.36787) | 96.82th | v4 (v2025.03.14) |
| Mar 29, 2025 | 24.35% (0.24354) | 93.69th | v4 (v2025.03.14) |
| Mar 17, 2025 | 36.79% (0.36787) | 96.78th | v4 (v2025.03.14) |
| Feb 1, 2025 | 40.07% (0.40069) | 97.35th | v3 (v2023.03.01) |
| Dec 17, 2024 | 35.55% (0.35547) | 97.15th | v3 (v2023.03.01) |
| Aug 10, 2024 | 58.41% (0.58415) | 97.79th | v3 (v2023.03.01) |
| May 26, 2024 | 65.36% (0.65364) | 97.91th | v3 (v2023.03.01) |
| Apr 18, 2024 | 69.00% (0.69002) | 97.95th | v3 (v2023.03.01) |
| Mar 11, 2024 | 77.29% (0.77291) | 98.13th | v3 (v2023.03.01) |
| Dec 25, 2023 | 79.62% (0.79617) | 98.00th | v3 (v2023.03.01) |
| Mar 7, 2023 | 79.42% (0.79425) | 97.70th | 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 (11)
- http://docs.info.apple.com/article.html?artnum=306173 x_refsource_CONFIRM
- http://docs.info.apple.com/article.html?artnum=306174 x_refsource_CONFIRM
- http://secunia.com/advisories/26287 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.nytimes.com/2007/07/23/technology/23iphone.html?_r=1&adxnnl=1&adxnnlx=1185163364-1OTsRJvbylLamj17FY2wnw&oref=slogin x_refsource_MISC
- http://www.securityevaluators.com/iphone/ x_refsource_MISC
- http://www.securityevaluators.com/iphone/exploitingiphone.pdf x_refsource_MISC
- http://www.securityfocus.com/bid/25002 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1018439 vdb-entryx_refsource_SECTRACK
- http://www.vupen.com/english/advisories/2007/2730 vdb-entryx_refsource_VUPENVendor Advisory
- http://www.vupen.com/english/advisories/2007/2731 vdb-entryx_refsource_VUPENVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/35577 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://docs.info.apple.com/article.html?artnum=306173 | x_refsource_CONFIRM | |
| http://docs.info.apple.com/article.html?artnum=306174 | x_refsource_CONFIRM | |
| http://secunia.com/advisories/26287 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.nytimes.com/2007/07/23/technology/23iphone.html?_r=1&adxnnl=1&adxnnlx=1185163364-1OTsRJvbylLamj17FY2wnw&oref=slogin | x_refsource_MISC | |
| http://www.securityevaluators.com/iphone/ | x_refsource_MISC | |
| http://www.securityevaluators.com/iphone/exploitingiphone.pdf | x_refsource_MISC | |
| http://www.securityfocus.com/bid/25002 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id?1018439 | vdb-entryx_refsource_SECTRACK | |
| http://www.vupen.com/english/advisories/2007/2730 | vdb-entryx_refsource_VUPENVendor Advisory | |
| http://www.vupen.com/english/advisories/2007/2731 | vdb-entryx_refsource_VUPENVendor Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/35577 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.