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    CVE-2015-0817

    The asm.js implementation in Mozilla Firefox before 36.0.3, Firefox ESR 31.x before 31.5.2, and SeaMonkey before 2.33.1 does not properly determine the cases in which bounds checking may be safely skipped during JIT compilation and heap access, which allows remote attackers to read or write to unintended memory locations, and consequently execute arbitrary code, via crafted JavaScript.

    Published:Mar 21, 2015
    Last Modified:Apr 12, 2025
    EPS:Mar 24, 2015
    EPSS Score:0.03906
    CVSS Score:6.8

    Affected Products

    Vendor
    Mozilla
    Product
    Firefox
    Vendor
    Mozilla
    Product
    Firefox Esr
    Vendor
    Mozilla
    Product
    Seamonkey
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

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    CVE-2026-84142 (CVSS 9.8) — Internally found bugs present in Thunderbird 154. Some of these bugs showed evidence of memory corruption or a…
    CVE-2026-84141 (CVSS 9.8) — Integer overflow in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 155, Firefox ESR…
    CVE-2026-84140 (CVSS 9.8) — Site isolation issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ES…
    CVE-2026-84139 (CVSS 6.1) — Clickjacking issue in the DOM: Events component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.…
    CVE-2026-84138 (CVSS 6.5) — Denial-of-service in the PDF Viewer component. This vulnerability was fixed in Firefox 155 and Thunderbird 155…
    CVE-2026-84137 (CVSS 4.3) — Spoofing issue in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 155, Firefox ESR 153…
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    References

    http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00026.html
    http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00029.html
    http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00035.html
    http://lists.opensuse.org/opensuse-updates/2015-03/msg00096.html
    http://rhn.redhat.com/errata/RHSA-2015-0718.html
    http://www.debian.org/security/2015/dsa-3201
    http://www.mozilla.org/security/announce/2015/mfsa2015-29.html
    http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
    http://www.securityfocus.com/bid/73263
    http://www.securitytracker.com/id/1031958
    http://www.ubuntu.com/usn/USN-2538-1
    https://bugzilla.mozilla.org/show_bug.cgi?id=1145255
    https://security.gentoo.org/glsa/201504-01
    http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00026.html
    http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00029.html
    http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00035.html
    http://lists.opensuse.org/opensuse-updates/2015-03/msg00096.html
    http://rhn.redhat.com/errata/RHSA-2015-0718.html
    http://www.debian.org/security/2015/dsa-3201
    http://www.mozilla.org/security/announce/2015/mfsa2015-29.html
    http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
    http://www.securityfocus.com/bid/73263
    http://www.securitytracker.com/id/1031958
    http://www.ubuntu.com/usn/USN-2538-1
    https://bugzilla.mozilla.org/show_bug.cgi?id=1145255
    https://security.gentoo.org/glsa/201504-01

    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