CVE-2021-39843 Adobe Acrobat Reader XObject Out-of-Bound Write Vulnerability

🗓️ 29 Sep 2021 15:38:10Reported by adobeType

Adobe Acrobat Reader XObject Out-of-Bound Write Vulnerability in Versions 2021.005.20060, 2020.004.30006, and 2017.011.3019

Reporter	Title	Published	Views	Family All 27
Tenable Nessus	Adobe Acrobat < 2017.011.30202 / 2020.004.30015 / 2021.007.20091 Multiple Vulnerabilities (APSB21-55)	14 Sep 202100:00	–	nessus
Tenable Nessus	Adobe Reader < 2017.011.30202 / 2020.004.30015 / 2021.007.20091 Multiple Vulnerabilities (APSB21-55)	14 Sep 202100:00	–	nessus
Tenable Nessus	Adobe Acrobat < 2017.011.30202 / 2020.004.30015 / 2021.007.20091 Multiple Vulnerabilities (APSB21-55) (macOS)	14 Sep 202100:00	–	nessus
Tenable Nessus	Adobe Reader < 2017.011.30202 / 2020.004.30015 / 2021.007.20091 Multiple Vulnerabilities (APSB21-55) (macOS)	14 Sep 202100:00	–	nessus
BDU FSTEC	The vulnerabilities of PDF viewer programs such as Adobe Reader and Document Cloud, as well as PDF editing programs like Adobe Acrobat Document Cloud and Adobe Acrobat, are related to writing beyond the buffer in memory. This allows attackers to execute arbitrary code.	23 Nov 202100:00	–	bdu_fstec
Circl	CVE-2021-39843	31 Aug 202503:01	–	circl
CNNVD	Adobe Acrobat和Adobe Reader 缓冲区错误漏洞	14 Sep 202100:00	–	cnnvd
CNVD	Adobe Acrobat/Reader Out-of-Bounds Writing Vulnerability (CNVD-2021-94918)	15 Sep 202100:00	–	cnvd
Check Point Advisories	Adobe Acrobat and Reader Out-of-bounds Write (APSB21-55: CVE-2021-39843)	14 Sep 202100:00	–	checkpoint_advisories
CVE	CVE-2021-39843	29 Sep 202115:38	–	cve

[
  {
    "product": "Acrobat Reader",
    "vendor": "Adobe",
    "versions": [
      {
        "lessThanOrEqual": "DC 2021 July",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "20.0-Classic 2021 July",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "17.0-Classic 2021 July",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "None",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

Source	Link
helpx	www.helpx.adobe.com/security/products/acrobat/apsb21-55.html

29 Sep 2021 15:38Current

7.9High risk

Vulners AI Score7.9

CVSS 3.17.8

EPSS0.76055

CWE-787