Use After Free in Adobe Acrobat
CVE-2018-4892
An issue was discovered in Adobe Acrobat Reader 2018.009.20050 and earlier versions, 2017.011.30070 and earlier versions, 2015.006.30394 and earlier versions. This vulnerability is an instance of a use after free vulnerability in the JBIG2 decoder. The vulnerability is triggered by a crafted PDF file that contains a malformed JBIG2 stream. Successful exploitation could lead to arbitrary code execution.
Vulnerability class: Use-After-Free
EPSS: 0.125 (95.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Adobe Acrobat
- Adobe Acrobat_dc
- Adobe Acrobat_reader
- Adobe Acrobat_reader_dc
- N/a Adobe Acrobat Reader 2018.009.20050 And Earlier Versions, 2017.011.30070 2015.006.30394 Versions — versions Adobe Acrobat Reader 2018.009.20050 and earlier versions, 2017.011.30070 and earlier versions, 2015.006.30394 and earlier versions
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@adobe.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- psirt@adobe.com (x_refsource_CONFIRM, Vendor Advisory)
- psirt@adobe.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
Frequently asked questions
- What is CVE-2018-4892?
- CVE-2018-4892 is a high-severity vulnerability in Adobe Acrobat, classified under Use After Free. CVSS score: 8.8/10. Published 2018-02-27.
- How severe is CVE-2018-4892?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2018-4892 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.