CVE-2019-8016

CRITICAL

Adobe Acrobat and Reader DC < 19.012.20036 - Out-of-bounds Write

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2019-8016. PoCs published by Google Security Research.

AI-analyzed exploit summary The writeup describes a vulnerability in AFDKO's Type 1 CharString interpreter where negative 'count' values in 'store' and 'load' operations bypass bounds checks, enabling arbitrary memory read/write. This affects Adobe Acrobat's embedded AFDKO fork, potentially leading to RCE.

Description

Adobe Acrobat and Reader versions 2019.012.20035 and earlier, 2019.012.20035 and earlier, 2017.011.30142 and earlier, 2017.011.30143 and earlier, 2015.006.30497 and earlier, and 2015.006.30498 and earlier have an out-of-bounds write vulnerability. Successful exploitation could lead to arbitrary code execution .

Exploits (1)

exploitdb WRITEUP VERIFIED
by Google Security Research · textdoswindows
https://www.exploit-db.com/exploits/47259

The writeup describes a vulnerability in AFDKO's Type 1 CharString interpreter where negative 'count' values in 'store' and 'load' operations bypass bounds checks, enabling arbitrary memory read/write. This affects Adobe Acrobat's embedded AFDKO fork, potentially leading to RCE.

Classification
Writeup 90%
Attack Type
Rce
Complexity
Complex
Reliability
Theoretical
Target: Adobe Acrobat (32-bit) with embedded AFDKO (versions with cfr module 2.0.31 or 2.0.44)
No auth needed
Prerequisites: Malicious font file embedded in a PDF · User interaction to export font to PS/EPS
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References
Patch, Vendor Advisory x_refsource_confirm
https://helpx.adobe.com/security/products/acrobat/apsb19-41.html

Scores

CVSS v3 9.8
EPSS 0.2203
EPSS Percentile 97.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (4)
adobe/acrobat_dc 15.006.30060 - 15.006.30499
adobe/acrobat_dc 15.008.20082 - 19.012.20036
adobe/acrobat_reader_dc 15.006.30060 - 15.006.30499
adobe/acrobat_reader_dc 15.008.20082 - 19.012.20036
Published Aug 20, 2019
Tracked Since Feb 18, 2026