7.5
HIGH CVSS 2.0
CVE-2015-6778
Google Chrome JBIG2 Denial of Service and Out-of-Bounds Memory Access Vulnerability
Description

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.

INFO

Published Date :

Dec. 6, 2015, 1:59 a.m.

Last Modified :

April 12, 2025, 10:46 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2015-6778 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Google chrome
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
Public PoC/Exploit Available at Github

CVE-2015-6778 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2015-6778 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

None

Python

Updated: 9 years, 1 month ago
0 stars 0 fork 0 watcher
Born at : July 7, 2016, 10:39 a.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2015-6778 vulnerability anywhere in the article.

  • objective-see.org
Analysis of CVE-2021-30860

Analysis of CVE-2021-30860 the flaw and fix of a zero-click vulnerability, exploited in the wild by: Tom McGuire / September 16, 2021 Objective-See's research, tools, and writing, are supported by the ... Read more

Published Date: Sep 16, 2021 (3 years, 10 months ago)

The following table lists the changes that have been made to the CVE-2015-6778 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://googlechromereleases.blogspot.com/2015/12/stable-channel-update.html
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00016.html
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00017.html
    Added Reference http://www.debian.org/security/2015/dsa-3415
    Added Reference http://www.securityfocus.com/bid/78416
    Added Reference http://www.securitytracker.com/id/1034298
    Added Reference https://code.google.com/p/chromium/issues/detail?id=514891
    Added Reference https://codereview.chromium.org/1388203003
    Added Reference https://security.gentoo.org/glsa/201603-09
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Source Update by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Changed Source Google Inc. Chrome
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference Chrome https://codereview.chromium.org/1388203003 [No types assigned]
    Added Reference Chrome http://googlechromereleases.blogspot.com/2015/12/stable-channel-update.html [No types assigned]
    Added Reference Chrome http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00016.html [No types assigned]
    Added Reference Chrome https://code.google.com/p/chromium/issues/detail?id=514891 [No types assigned]
    Added Reference Chrome https://security.gentoo.org/glsa/201603-09 [No types assigned]
    Added Reference Chrome http://www.securityfocus.com/bid/78416 [No types assigned]
    Added Reference Chrome http://www.debian.org/security/2015/dsa-3415 [No types assigned]
    Added Reference Chrome http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00017.html [No types assigned]
    Added Reference Chrome http://www.securitytracker.com/id/1034298 [No types assigned]
    Removed Reference Google Inc. https://codereview.chromium.org/1388203003
    Removed Reference Google Inc. http://googlechromereleases.blogspot.com/2015/12/stable-channel-update.html
    Removed Reference Google Inc. https://code.google.com/p/chromium/issues/detail?id=514891
    Removed Reference Google Inc. http://www.securityfocus.com/bid/78416
    Removed Reference Google Inc. https://security.gentoo.org/glsa/201603-09
    Removed Reference Google Inc. http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00017.html
    Removed Reference Google Inc. http://www.debian.org/security/2015/dsa-3415
    Removed Reference Google Inc. http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00016.html
    Removed Reference Google Inc. http://www.securitytracker.com/id/1034298
  • CVE Modified by [email protected]

    Sep. 14, 2017

    Action Type Old Value New Value
    Added Reference http://www.securitytracker.com/id/1034298 [No Types Assigned]
  • CVE Modified by [email protected]

    Dec. 07, 2016

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00017.html [No Types Assigned]
    Added Reference http://www.debian.org/security/2015/dsa-3415 [No Types Assigned]
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00016.html [No Types Assigned]
  • CVE Modified by [email protected]

    Dec. 03, 2016

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/201603-09 [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 28, 2016

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/78416 [No Types Assigned]
  • Modified Analysis by [email protected]

    Dec. 07, 2015

    Action Type Old Value New Value
    Added CPE Configuration Configuration 1 OR *cpe:2.3:a:google:chrome:46.0.2490.86:*:*:*:*:*:*:* (and previous)
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Changed Reference Type http://googlechromereleases.blogspot.com/2015/12/stable-channel-update.html No Types Assigned http://googlechromereleases.blogspot.com/2015/12/stable-channel-update.html Advisory
    Added CWE CWE-119
  • Initial Analysis by [email protected]

    Dec. 07, 2015

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.5
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

1.34 }} 0.26%

score

0.79043

percentile