CVE-2010-1349

Exp

Integer overflow in Opera 10.10 through 10.50 allows remote attackers to execute arbitrary code via a large Content-Length value, which triggers a heap overflow.

Published: 2010-04-12 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2010-1349 is rated High Exploit Risk (84/100): CVSS Critical severity, with high exploitation likelihood (EPSS 19.79%, 97th percentile). 3 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2010-1349

EDB-ID Source Kind Published Link
11622 exploit_db edb 2010-03-03 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2010-1349

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 41.84% 19.79% -22.05%
2 2025-07-06 48.40% 41.84% -6.56%
3 2025-05-06 — 48.40% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2010-1349

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2010-1349

OS Trackers for CVE-2010-1349

vendor priority summary link
gentoo normal CVE-2010-1349: 1 GLSA(s) (201206-03), 1 atom(s) (www-client/opera); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2010-1349

NVD evaluator notes for CVE-2010-1349

Impact: Per: http://my.opera.com/securitygroup/blog/2010/03/09/the-malformed-content-length-header-security-issue 'We also determined that the problem only existed in our Windows version. '

Affected software / configurations for CVE-2010-1349

Vendor Product Version Raw CPE
opera opera_browser 10.10 cpe:2.3:a:opera:opera_browser:10.10:*:*:*:*:*:*:*
opera opera_browser 10.50 cpe:2.3:a:opera:opera_browser:10.50:*:*:*:*:*:*:*
opera opera_browser 10.50 cpe:2.3:a:opera:opera_browser:10.50:beta_1:*:*:*:*:*:*
opera opera_browser 10.50 cpe:2.3:a:opera:opera_browser:10.50:beta_2:*:*:*:*:*:*

References for CVE-2010-1349

cvelogic Threat Intelligence