CVE-2021-39863General(adobe / acrobat)

LOWCVSS 7.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a Buffer Overflow vulnerability when parsing a specially crafted PDF file. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

1.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-122

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • acrobat
  • acrobat_2017
  • acrobat_dc
  • acrobat_reader

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • General: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Products
acrobatacrobat_2017acrobat_dcacrobat_readeracrobat_reader_2017acrobat_reader_dcmacoswindows

1 version affected across 8 products

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-04-12: 104-12
Signal classification1 categories
General
1100.0%
Full discourse1 post
  • 임대범@imsosim
    General

    요즘은 동아리에서 진행하는 취약점 분석 프로젝트에 참여해서 공부하고 있음 분석하고 있는건 CVE-2021-39863. 중간고사 기간(대학교에서 치르는 첫 시험..)이라서 시험공부도 같이 해야돼서 바쁘다 사진은 팀활동용 노션에 내가 메모한거 https://t.co/AcelBK8yBh

    Post summary

    The user notes they are studying CVE-2021-39863 as part of a club project, but provides no additional technical, exploit, or mitigation details.

    0000063
    2 followersView on X
CPE platform detail8 entries

8 of 8 entries

PartVendorProductVersionTarget SWTarget HW
Appadobeacrobat---
Appadobeacrobat_2017---
Appadobeacrobat_dc---
Appadobeacrobat_reader---
Appadobeacrobat_reader_2017---
Appadobeacrobat_reader_dc---
OSapplemacos---
OSmicrosoftwindows---

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