CVE-2023-21586— Acrobat Reader | NULL Pointer Dereference (CWE-476)
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I. Basic Information for CVE-2023-21586
Vulnerability Information
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Vulnerability Title
Acrobat Reader | NULL Pointer Dereference (CWE-476)
Source: NVD (National Vulnerability Database)
Vulnerability Description
Adobe Acrobat Reader versions 22.003.20282 (and earlier), 22.003.20281 (and earlier) and 20.005.30418 (and earlier) are affected by a NULL Pointer Dereference vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
空指针解引用
Source: NVD (National Vulnerability Database)
Vulnerability Title
Adobe Acrobat Reader 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Adobe Acrobat Reader是美国奥多比（Adobe）公司的一款PDF查看器。该软件用于打印，签名和注释 PDF。 Adobe Acrobat Reader存在代码问题漏洞，该漏洞源于空指针取消引用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Adobe | Acrobat Reader | 0 ~ 22.003.20281 | - |
II. Public POCs for CVE-2023-21586
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Adobe · 2024-12-18 · 10 CVEs total
| CVE-2022-44518 | 7.8 HIGH | Acrobat Reader | Use After Free (CWE-416) |
| CVE-2022-44512 | 7.8 HIGH | Acrobat Reader | Out-of-bounds Write (CWE-787) |
| CVE-2022-44520 | 7.8 HIGH | Acrobat Reader | Use After Free (CWE-416) |
| CVE-2022-44513 | 7.8 HIGH | Acrobat Reader | Out-of-bounds Write (CWE-787) |
| CVE-2022-44514 | 7.8 HIGH | Acrobat Reader | Use After Free (CWE-416) |
| CVE-2022-44517 | 5.5 MEDIUM | Acrobat Reader | Out-of-bounds Read (CWE-125) |
| CVE-2022-44519 | 5.5 MEDIUM | Acrobat Reader | Use After Free (CWE-416) |
| CVE-2022-44516 | 5.5 MEDIUM | Acrobat Reader | Out-of-bounds Read (CWE-125) |
| CVE-2022-44515 | 5.5 MEDIUM | Acrobat Reader | Out-of-bounds Read (CWE-125) |
IV. Related Vulnerabilities
Same product: Acrobat Reader
- CVE-2026-34622
Acrobat Reader | Improperly Controlled Modification of Objec - CVE-2026-34626
Acrobat Reader | Improperly Controlled Modification of Objec - CVE-2026-34621
Acrobat Reader | Improperly Controlled Modification of Objec - CVE-2026-27221
Acrobat Reader | Improper Certificate Validation (CWE-295) - CVE-2026-27278
Acrobat Reader | Use After Free (CWE-416)
Same vendor: Adobe
- CVE-2026-34632
Photoshop Installer | CWE-427: Uncontrolled Search Path Elem - CVE-2026-27297
Adobe Framemaker | Integer Underflow (Wrap or Wraparound) (C - CVE-2026-27300
Adobe Framemaker | Access of Uninitialized Pointer (CWE-824) - CVE-2026-27296
Adobe Framemaker | Integer Underflow (Wrap or Wraparound) (C - CVE-2026-27290
Adobe Framemaker | Untrusted Search Path (CWE-426)
Same weakness: CWE-476
- CVE-2026-8252
Open5GS SMF smf_nsmf_handle_create_data_in_hsmf null pointer - CVE-2026-7259
Null pointer dereference in php_mb_check_encoding() via mb_e - CVE-2026-7262
NULL pointer dereference in SOAP apache:Map decoder with mis - CVE-2026-42183
Argo Workflows: SSO RBAC Delegation Nil Pointer Dereference - CVE-2026-6666
PgBouncer crash in kill_pool_logins_server_error
V. Comments for CVE-2023-21586
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