Use-after-free vulnerability in the Element::normalizeAttributes function in dom/Element.cpp in WebCore in WebKit in Google Chrome before 5.0.375.70 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via vectors related to handlers for DOM mutation events, aka rdar problem 7948784. NOTE: this might overlap CVE-2010-1759.
Conclusion & alert: CVE-2010-2300 is rated High Exploit Risk (85.6/100): CVSS Critical severity, with high exploitation likelihood (EPSS 23.38%, 96th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: 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.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 18446 | exploit_db | edb | 2012-02-01 | Exploit-DB ↗ |
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 | 2025-11-06 | 26.30% | 23.38% | -2.93% |
| 2 | 2025-09-08 | 31.25% | 26.30% | -4.95% |
| 3 | 2025-07-09 | — | 31.25% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
ubuntu
|
medium | CVE-2010-2300 medium priority: Ubuntu including 1 source packages (chromium-browser), 6 status rows across 6 suites (dapper, hardy, jaunty, karmic, lucid, upstream): DNE 4, not-affected 1, released 1. | https://ubuntu.com/security/CVE-2010-2300 |
| URL | Tags |
|---|---|
| http://code.google.com/p/chromium/issues/detail?id=43315 | Third Party Advisory |
| http://googlechromereleases.blogspot.com/2010/06/stable-channel-update.html | Release Notes Vendor Advisory |
| http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html | Mailing List Third Party Advisory |
| http://secunia.com/advisories/40072 | Third Party Advisory |
| http://secunia.com/advisories/43068 | Third Party Advisory |
| http://www.vupen.com/english/advisories/2011/0212 | Broken Link |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11357 | Third Party Advisory |