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CVE-2025-7019— Gen Digital Avast Antivirus 缓冲区错误漏洞

CVSS 5.5 · Medium EPSS 0.11% · P2

Affected Version Matrix 5

ベンダープロダクトVersion Rangeステータス
Gen DigitalAvast Antivirus< 25020100affected
Gen DigitalAvast Business Antivirus< 25020100affected
Gen DigitalAvast One< 25020100affected
Gen DigitalAVG Antivirus< 25020100affected
Gen DigitalNorton Antivirus< 25020100affected
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I. CVE-2025-7019の基本情報

脆弱性情報
脆弱性についてご質問がありますか？Shenlongの分析が参考になるかご確認ください！
Shenlongの10の質問を表示 ↗

高度な大規模言語モデル技術を使用していますが、出力には不正確または古い情報が含まれる可能性があります。Shenlongはデータの正確性を確保するよう努めていますが、実際の状況に基づいて検証・判断してください。

脆弱性タイトル
Avast antivirus stack overflow when scanning a malformed Office Open XML file
ソース: NVD (National Vulnerability Database)
脆弱性説明
Stack overflow vulnerability in Avast Antivirus when scanning a malformed Office Open XML file may allow Denial-of-Service of the antivirus process. This issue affects Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast Business Antivirus on Windows, macOS, and Linux for virus definition builds before VPS 25020100. The affected scanning logic is delivered through a shared Gen Digital virus definition update stream. The same stream feeds the consumer antivirus products listed in this advisory and other Gen Digital products that embed the same engine. Mitigation flows through this update channel; installations at or above the listed build are not vulnerable regardless of which product consumes the stream.
ソース: NVD (National Vulnerability Database)
CVSS情報
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
ソース: NVD (National Vulnerability Database)
脆弱性タイプ
栈缓冲区溢出
ソース: NVD (National Vulnerability Database)
脆弱性タイトル
Gen Digital Avast Antivirus 缓冲区错误漏洞
ソース: CNNVD (China National Vulnerability Database)
脆弱性説明
Gen Digital Avast Antivirus是美国Gen Digital公司的一个防病毒与网络安全软件。 Gen Digital Avast Antivirus存在缓冲区错误漏洞，该漏洞源于扫描恶意Office Open XML文件时存在栈缓冲区溢出，可能导致防病毒进程拒绝服务。
ソース: CNNVD (China National Vulnerability Database)
CVSS情報
N/A
ソース: CNNVD (China National Vulnerability Database)
脆弱性タイプ
N/A
ソース: CNNVD (China National Vulnerability Database)

影響を受ける製品

ベンダープロダクト影響を受けるバージョンCPE購読
Gen DigitalAvast Antivirus 0 ~ 25020100 -
Gen DigitalAVG Antivirus 0 ~ 25020100 -
Gen DigitalNorton Antivirus 0 ~ 25020100 -
Gen DigitalAvast One 0 ~ 25020100 -
Gen DigitalAvast Business Antivirus 0 ~ 25020100 -

II. CVE-2025-7019の公開POC

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III. CVE-2025-7019のインテリジェンス情報

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Same Patch Batch · Gen Digital · 2026-06-12 · 17 CVEs total

CVE-2026-66767.8 HIGHAvira antivirus engine heap buffer OOB write when scanning a malformed POSIX tar archive
CVE-2025-70037.8 HIGHAvira antivirus engine heap buffer OOB read when scanning a malformed PDF file (variant 1)
CVE-2025-70027.8 HIGHAvira antivirus engine heap buffer OOB read when scanning a malformed PDF file (variant 2)
CVE-2025-70087.8 HIGHAvast antivirus heap buffer OOB read when scanning a malformed PE file
CVE-2025-70097.8 HIGHAvast antivirus heap buffer OOB read when scanning a malformed PE file
CVE-2025-70177.8 HIGHAvira antivirus engine heap buffer OOB read when scanning a malformed Windows MSI file
CVE-2025-70047.8 HIGHAvast antivirus heap buffer OOB write when scanning a malformed PE file
CVE-2025-70117.8 HIGHAvast antivirus heap OOB when scanning a malformed zip file
CVE-2025-90327.8 HIGHAvira antivirus engine heap buffer OOB read when scanning a malformed PE file
CVE-2025-90337.8 HIGHAvira antivirus engine heap buffer OOB read when scanning a malformed PDF file (variant 3)
CVE-2025-140987.8 HIGHAvira antivirus engine heap buffer OOB write when scanning a malformed MS-DOS executable f
CVE-2026-120687.4 HIGHAvira Password Manager credential disclosure via cross-origin autofill in Firefox
CVE-2025-70065.5 MEDIUMAvast antivirus use of stack memory after free when scanning a malformed PE file
CVE-2025-70105.5 MEDIUMAvast antivirus stack overflow when scanning a malformed PDF file
CVE-2025-70055.5 MEDIUMAvast antivirus infinite recursion when scanning a malformed PE file
CVE-2025-70185.5 MEDIUMAvira antivirus engine null pointer dereference when scanning a malformed PE file

IV. 関連脆弱性

同じ製品: Avast Antivirus
同じベンダー: Gen Digital
同じ弱点: CWE-121

V. CVE-2025-7019へのコメント

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