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TI-2021-17057 Aliases CVE-2021-39826GHSA-42gw-xghc-5vpq

Adobe Digital Editions Command Execution Vulnerability

Priority MEDIUM 41CWE-78Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-78.

Summary

Adobe Digital Editions 4.5.11.187646 (and earlier) are affected by an arbitrary command execution vulnerability. An authenticated attacker could leverage this vulnerability to execute arbitrary commands. User interaction is required to abuse this vulnerability in that a user must open a maliciously crafted .epub file.

Why it matters now

EPSS 0.02069 81st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
AdobeDigital Editionsup to 4.5.11.187646; up to None—No fix listedCNA
  • Digital Editions VendorAdobe Affected up to 4.5.11.187646; up to None Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:adobe:digital_editions:*:*:*:*:*:*:*:*up to 4.5.11.187646VulnerableAdobe
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*not specified by NVDRunning onApple
  • cpe:2.3:a:adobe:digital_editions:*:*:*:*:*:*:*:* Versions up to 4.5.11.187646 Vulnerable ·Adobe
  • cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-39826
  2. 2026-10-03 Alias added: GHSA-42gw-xghc-5vpq

References

Patch 1

  • TI-2016-00862 Adobe Digital Editions before 4.5.1 allows attackers to execute arbitrary code or cause a… CVSS 3.0CRITICAL 9.8
  • TI-2018-09188 Out-of-bounds write in Adobe Digital Editions CVSS 3.0CRITICAL 9.8
  • TI-2018-09187 Out-of-bounds write in Adobe Digital Editions CVSS 3.0CRITICAL 9.8
  • TI-2019-05015 Out-of-bounds write in Adobe Digital Editions CVSS 3.0CRITICAL 9.8
  • TI-2017-02193 Memory corruption in Adobe Digital Editions 4.5.3 and earlier. CVSS 3.0CRITICAL 9.8
  • TI-2018-09197 Out-of-bounds write in Adobe Digital Editions CVSS 3.0CRITICAL 9.8
See all 70 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences