FontParser in Apple iOS before 9.3, OS X before 10.11.4, tvOS before 9.2, and watchOS before 2.2 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted PDF document.
CVE-2016-1740
HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence
Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-14. NVD baseline CVSS 7.8; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.8EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 4.0%CVSS: 7.8Exploit: None knownExposed services: —
Fix status could not be loaded just now — check the vendor's advisory; until a fix is applied, use a compensating control (WAF / firewall / segmentation).
Internet exposure
The internet-exposure footprint is temporarily unavailable — the KEV-Exposure radar's record for this CVE could not be loaded just now. That is not a finding of zero exposed services; please retry shortly.
- CVSS v3
- 7.8
- EG Score
- 7.8HIGHmedium confidence
- EG Risk
- 41EG Risk 41/100CISA SSVC
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity78% × 45%Exploitation4% × 40%Automatability30% × 15%CISA SSVC: Track at low or medium mission impact; Track or Attend at high (mission-essential systems).Action: The fix status could not be loaded just now. Check the vendor's advisory for a fixed version and apply it within your standard update timelines at low or medium mission impact and sooner than that at high; if none is published, restrict network exposure of the affected system or apply the vendor's mitigation. - EPSS PROB
- 4.0%
- EPSS %ILE
- 90th
- KEV
- Not listed
CISA SSVCTrack at low or medium mission impact; Track or Attend at high (mission-essential systems).
The fix status could not be loaded just now. Check the vendor's advisory for a fixed version and apply it within your standard update timelines at low or medium mission impact and sooner than that at high; if none is published, restrict network exposure of the affected system or apply the vendor's mitigation.
Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table
Published
March 24, 2016
Last Modified
June 17, 2026
Advisory Details
Enriched advisory details are temporarily unavailable — they could not be loaded just now. That is not a sign that none exist; please retry shortly.
References (20)
- product-security@applehttp://lists.apple.com/archives/security-announce/2016/Mar/msg00000.html
- product-security@applehttp://lists.apple.com/archives/security-announce/2016/Mar/msg00001.html
- product-security@applehttp://lists.apple.com/archives/security-announce/2016/Mar/msg00002.html
- product-security@applehttp://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html
- product-security@applehttp://www.securitytracker.com/id/1035353
- product-security@applehttp://www.zerodayinitiative.com/advisories/ZDI-16-201
- product-security@applehttps://support.apple.com/HT206166
- product-security@applehttps://support.apple.com/HT206167
- product-security@applehttps://support.apple.com/HT206168
- product-security@applehttps://support.apple.com/HT206169
- af854a3a-2127-422b-91ae-364da2661108http://lists.apple.com/archives/security-announce/2016/Mar/msg00000.html
- af854a3a-2127-422b-91ae-364da2661108http://lists.apple.com/archives/security-announce/2016/Mar/msg00001.html
- af854a3a-2127-422b-91ae-364da2661108http://lists.apple.com/archives/security-announce/2016/Mar/msg00002.html
- af854a3a-2127-422b-91ae-364da2661108http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html
- af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1035353
Vendor Advisories for CVE-2016-1740
Vendor advisories for this CVE are temporarily unavailable — the list could not be loaded just now. That is not a sign that none exist; please retry shortly.
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2016-1740?
CVE-2016-1740 is a high vulnerability published on March 24, 2016. FontParser in Apple iOS before 9.3, OS X before 10.11.4, tvOS before 9.2, and watchOS before 2.2 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted PDF document.
When was CVE-2016-1740 disclosed?
CVE-2016-1740 was first published on March 24, 2016, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2016-1740 actively exploited?
CVE-2016-1740 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4.0% probability of exploitation in the next 30 days (90th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2016-1740?
CVE-2016-1740 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2016-1740?
EchelonGraph could not load the fix status for CVE-2016-1740 just now. Check the vendor's advisory for a fixed version; if none is published, restrict network exposure of the affected system or apply the vendor's mitigation until one is.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2016-1740
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