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    CVE-2015-6778

    The CJBig2_SymbolDict class in fxcodec/jbig2/JBig2_SymbolDict.cpp in PDFium, as used in Google Chrome before 47.0.2526.73, allows remote attackers to cause a denial of service (out-of-bounds memory access) or possibly have unspecified other impact via a PDF document containing crafted data with JBIG2 compression.

    Published:Dec 1, 2015
    Last Modified:Apr 12, 2025
    EPS:Dec 6, 2015
    EPSS Score:0.01338
    CVSS Score:7.5

    Affected Products

    Vendor
    Google
    Product
    Chrome
    Vendor
    Redhat
    Product
    Rhel Extras

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-87544 (CVSS 9.8) — Incorrect authorization in Extensions in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to byp…
    CVE-2026-87601 (CVSS 7.5) — Race condition in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary co…
    CVE-2026-87602 (CVSS 4.7) — Out of bounds read in ANGLE in Google Chrome on on Windows prior to 153.0.8010.36 allowed a remote attacker to…
    CVE-2026-87437 (CVSS 6.5) — Information leak in Frames in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to leak sensitive…
    CVE-2026-87608 — Improper certificate validation in FedCM in Google Chrome prior to 153.0.8010.36 allowed a remote attacker lev…
    CVE-2026-87551 (CVSS 4.3) — Improper certificate validation in CORS in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leve…
    CVE-2026-87477 (CVSS 6.5) — Information leak in Core in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to leak sensitive i…
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    References

    http://googlechromereleases.blogspot.com/2015/12/stable-channel-update.html
    http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00016.html
    http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00017.html
    http://www.debian.org/security/2015/dsa-3415
    http://www.securityfocus.com/bid/78416
    http://www.securitytracker.com/id/1034298
    https://code.google.com/p/chromium/issues/detail?id=514891
    https://codereview.chromium.org/1388203003
    https://security.gentoo.org/glsa/201603-09
    http://googlechromereleases.blogspot.com/2015/12/stable-channel-update.html
    http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00016.html
    http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00017.html
    http://www.debian.org/security/2015/dsa-3415
    http://www.securityfocus.com/bid/78416
    http://www.securitytracker.com/id/1034298
    https://code.google.com/p/chromium/issues/detail?id=514891
    https://codereview.chromium.org/1388203003
    https://security.gentoo.org/glsa/201603-09

    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