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Fencer Vulns
medium 4.3

CVE-2021-39835 json

Adobe FrameMaker PDF File Parsing Use-After-Free Information Disclosure Vulnerability

published 2021-09-29 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-26192

cvss
4.3
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 75%
public exploits
0
none known

Summary

Adobe Framemaker versions 2019 Update 8 (and earlier) and 2020 Release Update 2 (and earlier) are affected by a use-after-free vulnerability in the processing of a malformed PDF file that could result in disclosure of sensitive memory. Exploitation of this issue requires user interaction in that a victim must open a malicious PDF file.

Patch / fix

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
18 mo ago

Exploit prediction

1.54% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 4.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N

Affected products

  • Adobe FrameMaker

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.