Heap-based buffer overflow in the CAB unpacker in avast! Anti-Virus Managed Client before 4.7.700 allows user-assisted remote attackers to…

Description

Heap-based buffer overflow in the CAB unpacker in avast! Anti-Virus Managed Client before 4.7.700 allows user-assisted remote attackers to execute arbitrary code via a crafted CAB archive, resulting from an "integer cast around".

Scores

EPSS (exploitation in 30 days)

6.3% · top 6.4% of all CVEs (2 Nov 2026)

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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 9.3.

Weakness

• n/a

Affected products

• n/a

  • affected n/a

References (9)

• 20070524 n.runs-SA-2007.008 - Avast! Antivirus CAB parsing (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
• avast-cab-bo(34477) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
• 20070524 n.runs-SA-2007.008 - Avast! Antivirus CAB parsing Arbitrary Code Execution Advisory (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 25380 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://www.avast.com/eng/adnm-management-client-revision-history.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• 36523 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
• 1018108 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• 24132 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• ADV-2007-1935 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Record last updated 7 Aug 2024, 13:57 UTC.