Vulnerability record · CVE-2007-2809 · published 22 May 2007

CVE-2007-2809: Opera browser classic buffer overflow vulnerability

Opera · Opera Browser

Buffer overflow in the transfer manager in Opera before 9.21 for Windows allows user-assisted remote attackers to execute arbitrary code via a crafted torrent file. NOTE: due to the lack of details, it is not clear if this is the same issue as CVE-2007-2274.

9.3 CVSS 2.0 High EPSS 6.3% · top 6.6% CWE-120 · Classic buffer overflow

9.3CVSS 2.0 base score

6.3%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

16References

16 Jun 2026Last modified by NVD

Description

AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Opera Browser Opera

References

Link	Tags
http://isc.sans.org/diary.html?storyid=2823	PatchThird Party Advisory
http://osvdb.org/36229	Broken Link
http://secunia.com/advisories/25278	Broken LinkPatch
http://securitytracker.com/id?1018089	Broken LinkThird Party AdvisoryVDB Entry
http://www.opera.com/support/search/view/860/	Broken Link
http://www.securityfocus.com/bid/24080	Broken LinkThird Party AdvisoryVDB Entry
http://www.vupen.com/english/advisories/2007/1888	Broken Link
https://exchange.xforce.ibmcloud.com/vulnerabilities/34470	Third Party AdvisoryVDB Entry
http://isc.sans.org/diary.html?storyid=2823	PatchThird Party Advisory
http://osvdb.org/36229	Broken Link
http://secunia.com/advisories/25278	Broken LinkPatch
http://securitytracker.com/id?1018089	Broken LinkThird Party AdvisoryVDB Entry
http://www.opera.com/support/search/view/860/	Broken Link
http://www.securityfocus.com/bid/24080	Broken LinkThird Party AdvisoryVDB Entry
http://www.vupen.com/english/advisories/2007/1888	Broken Link
https://exchange.xforce.ibmcloud.com/vulnerabilities/34470	Third Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2013-3211Opera browser vulnerabilityUnspecified vulnerability in Opera before 12.15 has unknown impact and attack vectors, related to a "moderately severe issue."EPSS 1.7%19 Apr 2013 10.0CVE-2012-4145Opera browser vulnerabilityUnspecified vulnerability in Opera before 12.01 on Windows and UNIX, and before 11.66 and 12.x before 12.01 on Mac OS X, has unknown impact and attac…EPSS 2.2%6 Aug 2012 10.0CVE-2012-3559Opera browser vulnerabilityUnspecified vulnerability in Opera before 12.00 on Mac OS X has unknown impact and attack vectors, related to a "moderate severity issue."EPSS 1.4%14 Jun 2012 10.0CVE-2012-3561Opera browser memory buffer overflow vulnerabilityOpera before 11.64 does not properly allocate memory for URL strings, which allows remote attackers to execute arbitrary code or cause a denial of se…EPSS 5.2%14 Jun 2012 10.0CVE-2011-4683Opera browser vulnerabilityUnspecified vulnerability in Opera before 11.60 has unknown impact and attack vectors, related to a "moderately severe issue."EPSS 2.0%7 Dec 2011 10.0CVE-2011-4684Opera browser vulnerabilityOpera before 11.60 does not properly handle certificate revocation, which has unspecified impact and remote attack vectors related to "corner cases."EPSS 5.7%7 Dec 2011 10.0CVE-2011-2610Opera browser vulnerabilityUnspecified vulnerability in Opera before 11.50 has unknown impact and attack vectors, related to a "moderately severe issue."EPSS 2.1%1 Jul 2011 10.0CVE-2011-2628Opera browser improper input validation vulnerabilityOpera before 11.11 does not properly implement FRAMESET elements, which allows remote attackers to execute arbitrary code or cause a denial of servic…EPSS 13%1 Jul 2011

Source: NIST National Vulnerability Database (record CVE-2007-2809), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.