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CVE-2018-4878
A use-after-free vulnerability was discovered in Adobe Flash Player before 28.0.0.161. This vulnerability occurs due to a dangling pointer…
High7.8Known exploitedEPSS 90.3%
- Published
- Updated
- Reserved
- Assigned by
- adobe
Description
A use-after-free vulnerability was discovered in Adobe Flash Player before 28.0.0.161. This vulnerability occurs due to a dangling pointer in the Primetime SDK related to media player handling of listener objects. A successful attack can lead to arbitrary code execution. This was exploited in the wild in January and February 2018.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Adobe Flash Player Use-After-Free Vulnerability.
- Added
- 3 Nov 2021
- Fix due (US federal)
- 3 May 2022
- Used by ransomware
- Known
The impacted product is end-of-life and should be disconnected if still in use.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 90.3% · top 0.2% of all CVEs (4 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
Affected products
Adobe Flash Player before 28.0.0.161
- affected Adobe Flash Player before 28.0.0.161
References (16)
- http://blog.talosintelligence.com/2018/02/group-123-goes-wild.html (opens in a new tab)x_refsource_MISCx_transferred
- https://threatpost.com/adobe-flash-player-zero-day-spotted-in-the-wild/129742/ (opens in a new tab)x_refsource_MISCx_transferred
- https://helpx.adobe.com/security/products/flash-player/apsb18-03.html (opens in a new tab)x_refsource_MISCx_transferred
- RHSA-2018:0285 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 1040318 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 102893 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://www.fireeye.com/blog/threat-research/2018/02/attacks-leveraging-adobe-zero-day.html (opens in a new tab)x_refsource_MISCx_transferred
- https://blog.morphisec.com/flash-exploit-cve-2018-4878-spotted-in-the-wild-massive-malspam-campaign (opens in a new tab)x_refsource_MISCx_transferred
- https://www.darkreading.com/threat-intelligence/adobe-flash-vulnerability-reappears-in-malicious-word-files/d/d-id/1331139 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/InQuest/malware-samples/tree/master/CVE-2018-4878-Adobe-Flash-DRM-UAF-0day (opens in a new tab)x_refsource_MISCx_transferred
- https://www.trendmicro.com/vinfo/us/security/news/vulnerabilities-and-exploits/north-korean-hackers-allegedly-exploit-adobe-flash-player-vulnerability-cve-2018-4878-against-south-korean-targets (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/vysec/CVE-2018-4878 (opens in a new tab)x_refsource_MISCx_transferred
- https://securingtomorrow.mcafee.com/mcafee-labs/hackers-bypassed-adobe-flash-protection-mechanism/ (opens in a new tab)x_refsource_MISCx_transferred
- 44412 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-4878 (opens in a new tab)government-resource
- https://github.com/cisagov/vulnrichment/issues/196 (opens in a new tab)issue-tracking
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2018-4878)Record last updated .