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    CVE-2015-4487

    The nsTSubstring::ReplacePrep function in Mozilla Firefox before 40.0, Firefox ESR 38.x before 38.2, and Firefox OS before 2.2 might allow remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via unknown vectors, related to an "overflow."

    Published:Aug 11, 2015
    Last Modified:Apr 12, 2025
    EPS:Aug 16, 2015
    EPSS Score:0.0317
    CVSS Score:7.5

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Mozilla
    Product
    Firefox
    Vendor
    Mozilla
    Product
    Firefox Os
    Vendor
    Opensuse
    Product
    Opensuse
    Vendor
    Oracle
    Product
    Solaris
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

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    CVE-2026-47336 (CVSS 3.3) — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/A…
    CVE-2026-47335 (CVSS 5.5) — Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor n…
    CVE-2026-47334 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock…
    CVE-2026-47333 (CVSS 7.8) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the si…
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    References

    http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00014.html
    http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00015.html
    http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00021.html
    http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00016.html
    http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00025.html
    http://lists.opensuse.org/opensuse-updates/2015-08/msg00030.html
    http://lists.opensuse.org/opensuse-updates/2015-08/msg00031.html
    http://rhn.redhat.com/errata/RHSA-2015-1586.html
    http://rhn.redhat.com/errata/RHSA-2015-1682.html
    http://www.debian.org/security/2015/dsa-3333
    http://www.debian.org/security/2015/dsa-3410
    http://www.mozilla.org/security/announce/2015/mfsa2015-90.html
    http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
    http://www.securitytracker.com/id/1033247
    http://www.securitytracker.com/id/1033372
    http://www.ubuntu.com/usn/USN-2702-1
    http://www.ubuntu.com/usn/USN-2702-2
    http://www.ubuntu.com/usn/USN-2702-3
    http://www.ubuntu.com/usn/USN-2712-1
    https://bugzilla.mozilla.org/show_bug.cgi?id=1171603
    https://security.gentoo.org/glsa/201605-06
    http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00014.html
    http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00015.html
    http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00021.html
    http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00016.html
    http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00025.html
    http://lists.opensuse.org/opensuse-updates/2015-08/msg00030.html
    http://lists.opensuse.org/opensuse-updates/2015-08/msg00031.html
    http://rhn.redhat.com/errata/RHSA-2015-1586.html
    http://rhn.redhat.com/errata/RHSA-2015-1682.html
    http://www.debian.org/security/2015/dsa-3333
    http://www.debian.org/security/2015/dsa-3410
    http://www.mozilla.org/security/announce/2015/mfsa2015-90.html
    http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
    http://www.securitytracker.com/id/1033247
    http://www.securitytracker.com/id/1033372
    http://www.ubuntu.com/usn/USN-2702-1
    http://www.ubuntu.com/usn/USN-2702-2
    http://www.ubuntu.com/usn/USN-2702-3
    http://www.ubuntu.com/usn/USN-2712-1
    https://bugzilla.mozilla.org/show_bug.cgi?id=1171603
    https://security.gentoo.org/glsa/201605-06

    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