Home/CVE/The TtfUtil:LocaLookup function in TtfUtil.cpp in Libgraphite in Graphite 2 1.2.4, as used in Mozilla Firefox before 43.
CVE

CVE-2016-1526

The TtfUtil:LocaLookup function in TtfUtil.cpp in Libgraphite in Graphite 2 1.2.4, as used in Mozilla Firefox before 43.

The TtfUtil:LocaLookup function in TtfUtil.cpp in Libgraphite in Graphite 2 1.2.4, as used in Mozilla Firefox before 43.0 and Firefox ESR 38.x before 38.6.1, incorrectly validates a size value, which allows remote attackers to obtain sensitive information or cause a denial of service (out-of-bounds read and application crash) via a crafted Graphite smart font.

HIGH · CVSS 8.1 EPSS 0.00759
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-200Exposure of Sensitive Information to an Unauthorized Actor
▤

Affected Products & Versions

5
debian linuxall versions
mozilla firefoxall versions
mozilla thunderbird<= 38.5.1
sil graphite2all versions
fedoraproject fedoraall versions
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSQLite Firefox Profile Data DB Access
▣

Scoring & Timeline

8.1
HIGH · CVSS v3.0 · cret@cert.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD13 Feb 2016 · 02:59 AM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
⚑

Vendor Advisories

4
rhsaRHSA-2016:0695Critical
suse-csafSUSE-SU-2016:0779-1
usnUSN-2902-1
rhsaRHSA-2016:0594Important
🔗

References & Sources

15
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://blog.talosintel.com/2016/02/vulnerability-spotlight-libgraphite.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177520.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184623.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00052.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00058.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00088.html
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