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No exploitation reported

CVE-2016-2801

No exploitation reported by the sources we read.

  • Published2016-03-13
  • WeaknessCWE-119

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

The graphite2::TtfUtil::CmapSubtable12Lookup function in TtfUtil.cpp in Graphite 2 before 1.3.6, as used in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7, allows remote attackers to cause a denial of service (buffer over-read) or possibly have unspecified other impact via a crafted Graphite smart font, a different vulnerability than CVE-2016-2797.

Timeline

dates in UTC
  1. 2016-03-1318:59CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2016-2801?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2016-2801?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Mozilla firefox
BranchAffectedFixed in
44.0≤ 44.0.2no fix published
38.0= 38.0no fix published
38.0= 38.0.1no fix published
38.0= 38.0.5no fix published
38.1= 38.1.0no fix published
38.1= 38.1.1no fix published
38.2= 38.2.0no fix published
38.2= 38.2.1no fix published
38.3= 38.3.0no fix published
38.4= 38.4.0no fix published
38.5= 38.5.0no fix published
38.5= 38.5.1no fix published
Oracle linux
BranchAffectedFixed in
5.0= 5.0no fix published
6.x= 6no fix published
7.x= 7no fix published
Opensuse
BranchAffectedFixed in
13.1= 13.1no fix published
13.2= 13.2no fix published

3 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • NVDCVSS 3.08.8read 2026-10-23
  • NVDCVSS 2.06.8read 2026-10-23
  • NVDweakness (CWE)CWE-119read 2026-10-23
  • FIRST EPSSEPSS score2.3 %2026-10-22

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2016-03-13
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2016-2801?

The graphite2::TtfUtil::CmapSubtable12Lookup function in TtfUtil.cpp in Graphite 2 before 1.3.6, as used in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7, allows remote attackers to cause a denial of service (buffer over-read) or possibly have unspecified other impact via a crafted Graphite smart font, a different vulnerability than CVE-2016-2797.

Is CVE-2016-2801 actively exploited?

Active exploitation of CVE-2016-2801 has not been confirmed. Its EPSS score was 2.3% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2016-2801?

CVE-2016-2801 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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