Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2016-2794

27
FAUCET Score

CVE-2016-2794 describes a buffer over-read vulnerability in the Graphite2 library, specifically within the TtfUtil::CmapSubtable12NextCodepoint function. This flaw, affecting products like Mozilla Firefox and Firefox ESR, can be triggered by remote attackers using a specially crafted Graphite smart font. With a CVSS score of 8.8 (High), this vulnerability presents a significant risk, allowing for denial of service and potentially other unspecified impacts. While the attack vector is network-based with low complexity, requiring user interaction, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 44.0.2CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
38.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:38.0:*:*:*:*:*:*:*
38.0.1CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:38.0.1:*:*:*:*:*:*:*
38.0.5CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:38.0.5:*:*:*:*:*:*:*
38.1.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:38.1.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.47%
Probability of exploitation in next 30 days
EPSS Percentile
87.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0347 is in the 87th percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (7)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: firefox-0:38.7.0-1.el6_7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: firefox-0:38.7.0-1.el5_11
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: thunderbird-0:38.7.0-1.el5_11
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: thunderbird-0:38.7.0-1.el7_2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: thunderbird-0:38.7.0-1.el6_7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: firefox-0:38.7.0-1.el7_2
View patch
mozillavendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2016-2794Critical

graphite2: multiple font parsing vulnerabilities (Mozilla MFSA 2016-37)

Mar 8, 2016

References

lists.opensuse.org / opensuse-security-announce/2016-03/msg00027.html
lists.opensuse.org / opensuse-security-announce/2016-03/msg00029.html
lists.opensuse.org / opensuse-security-announce/2016-03/msg00031.html
lists.opensuse.org / opensuse-security-announce/2016-03/msg00050.html
lists.opensuse.org / opensuse-security-announce/2016-03/msg00068.html
lists.opensuse.org / opensuse-security-announce/2016-03/msg00089.html
lists.opensuse.org / opensuse-security-announce/2016-03/msg00091.html
Third Party Advisory
lists.opensuse.org / opensuse-security-announce/2016-03/msg00093.html
lists.opensuse.org / opensuse-security-announce/2016-07/msg00006.html
Third Party Advisory
lists.opensuse.org / opensuse-security-announce/2016-07/msg00007.html
Third Party Advisory
lists.opensuse.org / opensuse-security-announce/2016-07/msg00008.html
Third Party Advisory
bugzilla.mozilla.org / show_bug.cgi
Issue Tracking
security.gentoo.org / glsa/201605-06
security.gentoo.org / glsa/201701-63
debian.org / security/2016/dsa-3510
debian.org / security/2016/dsa-3515
debian.org / security/2016/dsa-3520
mozilla.org / security/announce/2016/mfsa2016-37.html
Vendor Advisory
oracle.com / technetwork/topics/security/linuxbulletinjan2016-2867209.html
Third Party Advisory
securityfocus.com / bid/84222
securitytracker.com / id/1035215
ubuntu.com / usn/USN-2917-1
ubuntu.com / usn/USN-2917-2
ubuntu.com / usn/USN-2917-3
ubuntu.com / usn/USN-2927-1
ubuntu.com / usn/USN-2934-1