CVE-2016-4655 (GCVE-0-2016-4655)
Vulnerability from cvelistv5 – Published: 2016-08-25 21:00 – Updated: 2025-10-21 23:55Summary
The kernel in Apple iOS before 9.3.5 allows attackers to obtain sensitive information from memory via a crafted app.
Severity
5.5 (Medium)
SSVC
Exploitation: active
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-29 17:46 UTC
Assigner
References
10 references
| URL | Tags |
|---|---|
| http://lists.apple.com/archives/security-announce… | vendor-advisoryx_refsource_APPLE |
| https://blog.lookout.com/blog/2016/08/25/trident-… | x_refsource_MISC |
| https://www.exploit-db.com/exploits/44836/ | exploitx_refsource_EXPLOIT-DB |
| http://www.securityfocus.com/bid/92651 | vdb-entryx_refsource_BID |
| https://support.apple.com/HT207107 | x_refsource_CONFIRM |
| http://lists.apple.com/archives/security-announce… | vendor-advisoryx_refsource_APPLE |
| http://www.securitytracker.com/id/1036694 | vdb-entryx_refsource_SECTRACK |
| http://www.securityfocus.com/bid/92965 | vdb-entryx_refsource_BID |
| https://support.apple.com/HT207145 | x_refsource_CONFIRM |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Date Public
2016-08-25 00:00
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: f2a6d2d3-8f29-4d1a-95ff-a0eba6f2469b
Exploited: Yes
Timestamps
First Seen: 2022-05-24
Asserted: 2022-05-24
Scope
Notes: Apple iOS Information Disclosure Vulnerability | Affected: Apple / iOS | Description: The Apple iOS kernel allows attackers to obtain sensitive information from memory via a crafted application. | Required action: Apply updates per vendor instructions. | Due date: 2022-06-14 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2016-4655
Evidence
Type: Vendor Report
Signal: Successful Exploitation
Confidence: 80%
Source: cisa-kev
Details
| Cwes | CWE-200 |
|---|---|
| Feed | CISA Known Exploited Vulnerabilities Catalog |
| Product | iOS |
| Due Date | 2022-06-14 |
| Date Added | 2022-05-24 |
| Vendorproject | Apple |
| Vulnerabilityname | Apple iOS Information Disclosure Vulnerability |
| Knownransomwarecampaignuse | Unknown |
References
Created: 2026-10-02 08:09 CEST
| Updated: 2026-10-02 08:09 CEST
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: eb75650f-b3c1-46ac-a531-fddd1764baae
Exploited: Yes
Timestamps
First Seen: 2022-05-24
Asserted: 2022-05-24
Scope
Notes: The kernel in Apple iOS before 9.3.5 allows attackers to obtain sensitive information from memory via a crafted app. | Affected: Apple / iOS | CVSS: 5.5 (MEDIUM) | EPSS: 0.33353 | Used in malware: unknown | Not yet in CISA KEV: False
Evidence
Type: Public Report
Signal: Successful Exploitation
Confidence: 70%
Source: previdian
Details
| Feed | Previdian (previdian.com) |
|---|---|
| Title | The kernel in Apple iOS before 9.3.5 allows attackers to obtain sensitive information from memory via a crafted app. |
| Cve Id | CVE-2016-4655 |
| Vendor | Apple |
| Ghsa Id | None |
| Product | iOS |
| Added Date | 2022-05-24T00:00:00.000Z |
| Cvss Score | 5.5 |
| Epss Score | 0.33353 |
| Previous Ids | |
| Cvss Severity | MEDIUM |
| Virtual Patch | False |
| Cvss Estimated | False |
| Epss Percentile | 0.98328 |
| Used In Malware | unknown |
| Vulnerability Id | CVE-2016-4655 |
| Ahead Of Cisa Kev | None |
| Not Yet In Cisa Kev | False |
References
Created: 2026-10-02 09:11 CEST
| Updated: 2026-10-02 09:11 CEST
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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