Home/CVE/A use-after-free vulnerability can occur during font face manipulation when a font face is freed while still in use, res
CVE

CVE-2018-5104

A use-after-free vulnerability can occur during font face manipulation when a font face is freed while still in use, res

A use-after-free vulnerability can occur during font face manipulation when a font face is freed while still in use, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox < 58.

CRITICAL · CVSS 9.8 EPSS 0.28907
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 3% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
▤

Affected Products & Versions

10
debian linuxall versions
redhat enterprise linux desktopall versions
redhat enterprise linux serverall versions
redhat enterprise linux server ausall versions
redhat enterprise linux server eusall versions
redhat enterprise linux workstationall versions
mozilla firefox< 58.0
mozilla firefox< 52.6.0
◈

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

9.8
CRITICAL · CVSS v3.0 · security@mozilla.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 NVD11 Jun 2018 · 09:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

12
suse-csafopenSUSE-SU-2024:14572-1
suse-csafopenSUSE-SU-2024:10600-1
suse-csafopenSUSE-SU-2024:10601-1
suse-csafSUSE-SU-2018:0374-1
suse-csafSUSE-SU-2018:0361-1
🔗

References & Sources

11
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/102783Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1040270Third Party AdvisoryVDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1425000Issue TrackingPermissions RequiredThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/01/msg00030.htmlThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/01/msg00036.htmlThird Party Advisory
https://usn.ubuntu.com/3544-1/Third Party Advisory
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