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    CVE-2007-3944

    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.

    Published:Jul 23, 2007
    Last Modified:Apr 23, 2026
    EPS:Jul 23, 2007
    EPSS Score:0.17865
    CVSS Score:9.3

    Affected Products

    Vendor
    Apple
    Product
    Iphone Os
    Vendor
    Apple
    Product
    Safari
    Vendor
    Apple
    Product
    Webkit

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-87545 (CVSS 6.5) — Information leak in Mobile in Google Chrome on on iOS prior to 153.0.8010.36 allowed a remote attacker leverag…
    CVE-2026-87609 (CVSS 9.6) — Use after free in Sharing in Google Chrome on on iOS prior to 153.0.8010.36 allowed a remote attacker to execu…
    CVE-2026-87518 (CVSS 5.3) — Observable discrepancy in Safebrowsing in Google Chrome on on iOS prior to 153.0.8010.36 allowed a remote atta…
    CVE-2026-87482 (CVSS 5.9) — Cleartext transmission of sensitive data in HttpsUpgrades in Google Chrome on on iOS prior to 153.0.8010.36 al…
    CVE-2026-87517 (CVSS 3.1) — Race condition in Mobile in Google Chrome on on iOS prior to 153.0.8010.36 allowed a remote attacker leveragin…
    CVE-2026-85047 (CVSS 9.6) — Improper input validation in Transactions Platform in Google Chrome on on iOS prior to 152.0.7977.82 allowed a…
    CVE-2026-78964 (CVSS 9.6) — Use after free in Sync in Google Chrome on on iOS prior to 152.0.7977.65 allowed a remote attacker to potentia…
    CVE-2026-78957 (CVSS 5.5) — Information leak in Mobile in Google Chrome on on iOS prior to 152.0.7977.65 allowed a local attacker to obtai…
    CVE-2026-78981 (CVSS 6.5) — Information leak in Mobile in Google Chrome on on iOS prior to 152.0.7977.65 allowed a local attacker to poten…
    CVE-2026-79105 (CVSS 4.3) — Improper input validation in Mobile in Google Chrome on on iOS prior to 152.0.7977.65 allowed a remote attacke…

    References

    http://docs.info.apple.com/article.html?artnum=306173
    http://docs.info.apple.com/article.html?artnum=306174
    http://secunia.com/advisories/26287
    http://www.nytimes.com/2007/07/23/technology/23iphone.html?_r=1&adxnnl=1&adxnnlx=1185163364-1OTsRJvbylLamj17FY2wnw&oref=slogin
    http://www.securityevaluators.com/iphone/
    http://www.securityevaluators.com/iphone/exploitingiphone.pdf
    http://www.securityfocus.com/bid/25002
    http://www.securitytracker.com/id?1018439
    http://www.vupen.com/english/advisories/2007/2730
    http://www.vupen.com/english/advisories/2007/2731
    https://exchange.xforce.ibmcloud.com/vulnerabilities/35577
    http://docs.info.apple.com/article.html?artnum=306173
    http://docs.info.apple.com/article.html?artnum=306174
    http://secunia.com/advisories/26287
    http://www.nytimes.com/2007/07/23/technology/23iphone.html?_r=1&adxnnl=1&adxnnlx=1185163364-1OTsRJvbylLamj17FY2wnw&oref=slogin
    http://www.securityevaluators.com/iphone/
    http://www.securityevaluators.com/iphone/exploitingiphone.pdf
    http://www.securityfocus.com/bid/25002
    http://www.securitytracker.com/id?1018439
    http://www.vupen.com/english/advisories/2007/2730
    http://www.vupen.com/english/advisories/2007/2731
    https://exchange.xforce.ibmcloud.com/vulnerabilities/35577

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High