chromium-browser: Out of bounds access in PDFium
Published Dec 6, 2015
7.5
HIGHCVSS 2.0
EPSS 1.68%
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.
Affected products
No data.
No data.
Red Hat Enterprise Linux 6 Supplementary
chromium-browser-0:47.0.2526.73-1.el6
Fixed · RHSA-2015:2545
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 Supplementary | chromium-browser-0:47.0.2526.73-1.el6 | Fixed | RHSA-2015:2545 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (8 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.68% (0.01682) | 76.10th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.68% (0.01682) | 73.87th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.09% (0.01086) | 76.35th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.89% (0.02886) | 91.14th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.89% (0.02886) | 89.18th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.97% (0.01974) | 78.97th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.97% (0.01974) | 77.12th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.97% (0.01974) | 56.20th | v2 (v2022.01.01) |
References (13)
- http://googlechromereleases.blogspot.com/2015/12/stable-channel-update.html x_refsource_CONFIRM
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00016.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00017.html vendor-advisoryx_refsource_SUSE
- http://www.debian.org/security/2015/dsa-3415 vendor-advisoryx_refsource_DEBIAN
- http://www.securityfocus.com/bid/78416 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1034298 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/security/cve/CVE-2015-6778 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1287493 Issue Tracking
- https://code.google.com/p/chromium/issues/detail?id=514891 x_refsource_CONFIRM
- https://codereview.chromium.org/1388203003 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2015-6778
- https://security.gentoo.org/glsa/201603-09 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2015-6778
| Link | Providers | Tags |
|---|---|---|
| http://googlechromereleases.blogspot.com/2015/12/stable-channel-update.html | x_refsource_CONFIRM | |
| http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00016.html | vendor-advisoryx_refsource_SUSE | |
| http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00017.html | vendor-advisoryx_refsource_SUSE | |
| http://www.debian.org/security/2015/dsa-3415 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.securityfocus.com/bid/78416 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1034298 | vdb-entryx_refsource_SECTRACK | |
| https://access.redhat.com/security/cve/CVE-2015-6778 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1287493 | Issue Tracking | |
| https://code.google.com/p/chromium/issues/detail?id=514891 | x_refsource_CONFIRM | |
| https://codereview.chromium.org/1388203003 | x_refsource_CONFIRM | |
| https://nvd.nist.gov/vuln/detail/CVE-2015-6778 | ||
| https://security.gentoo.org/glsa/201603-09 | vendor-advisoryx_refsource_GENTOO | |
| https://www.cve.org/CVERecord?id=CVE-2015-6778 |
Change history (0)
No recorded changes yet.