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CVE-2009-4049
Heap-based buffer overflow in aswRdr.sys (aka the TDI RDR driver) in avast! Home and Professional 4.8.1356.0 allows local users to cause a…
High7.2EPSS 1.1%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Heap-based buffer overflow in aswRdr.sys (aka the TDI RDR driver) in avast! Home and Professional 4.8.1356.0 allows local users to cause a denial of service (memory corruption) or possibly gain privileges via crafted arguments to IOCTL 0x80002024.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 1.1% · top 34% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.2.
Weakness
Affected products
n/a
- affected n/a
References (6)
- 37031 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- ADV-2009-3266 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 37368 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://www.efblog.net/2009/11/avast-aswrdrsys-kernel-pool-corruption.html (opens in a new tab)x_refsource_MISCx_transferred
- 20091114 Avast aswRdr.sys Kernel Pool Corruption and Local Privilege Escalation (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- https://www.evilfingers.com/advisory/Advisory/Avast_aswRdr_sys_Kernel_Pool_Corruption_and_Local_Privilege_Escalation.php (opens in a new tab)x_refsource_MISCx_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)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2009-4049)Record last updated .