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    CVE-2015-2743

    PDF.js in Mozilla Firefox before 39.0 and Firefox ESR 31.x before 31.8 and 38.x before 38.1 enables excessive privileges for internal Workers, which might allow remote attackers to execute arbitrary code by leveraging a Same Origin Policy bypass.

    Published:Jul 2, 2015
    Last Modified:Apr 12, 2025
    EPS:Jul 6, 2015
    EPSS Score:0.01286
    CVSS Score:7.5

    Affected Products

    Vendor
    Mozilla
    Product
    Firefox
    Vendor
    Mozilla
    Product
    Firefox Esr
    Vendor
    Novell
    Product
    Suse Linux Enterprise Desktop
    Vendor
    Novell
    Product
    Suse Linux Enterprise Server
    Vendor
    Novell
    Product
    Suse Linux Enterprise Software Development Kit
    Vendor
    Oracle
    Product
    Solaris
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-84143 (CVSS 9.8) — Internally found bugs present in Thunderbird 154, Thunderbird ESR 153.1 and Thunderbird ESR 140.14. Some of th…
    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…
    CVE-2026-84136 (CVSS 6.1) — Other issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, …
    CVE-2026-84135 (CVSS 9.8) — Other issue in Firefox Focus for Android. This vulnerability was fixed in Firefox 155.…

    References

    http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00025.html
    http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00031.html
    http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00033.html
    http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00034.html
    http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00021.html
    http://rhn.redhat.com/errata/RHSA-2015-1207.html
    http://www.debian.org/security/2015/dsa-3300
    http://www.mozilla.org/security/announce/2015/mfsa2015-69.html
    http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
    http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
    http://www.securityfocus.com/bid/75541
    http://www.securitytracker.com/id/1032783
    http://www.ubuntu.com/usn/USN-2656-1
    http://www.ubuntu.com/usn/USN-2656-2
    https://bugzilla.mozilla.org/show_bug.cgi?id=1163109
    https://security.gentoo.org/glsa/201512-10
    http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00025.html
    http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00031.html
    http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00033.html
    http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00034.html
    http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00021.html
    http://rhn.redhat.com/errata/RHSA-2015-1207.html
    http://www.debian.org/security/2015/dsa-3300
    http://www.mozilla.org/security/announce/2015/mfsa2015-69.html
    http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
    http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
    http://www.securityfocus.com/bid/75541
    http://www.securitytracker.com/id/1032783
    http://www.ubuntu.com/usn/USN-2656-1
    http://www.ubuntu.com/usn/USN-2656-2
    https://bugzilla.mozilla.org/show_bug.cgi?id=1163109
    https://security.gentoo.org/glsa/201512-10

    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