Is CVE-2010-2753 in the CISA KEV catalog?

No. CVE-2010-2753 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2010-2753?

CVE-2010-2753 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2010-2753?

CVE-2010-2753 has an EPSS score of 6.67% (93th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2010-2753?

Upgrade DeveloperEdition to 3.6.7 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2010-2753

HIGHEPSS 93th pctl

8.8

CVSS v3

NVD

Description

Integer overflow in Mozilla Firefox 3.5.x before 3.5.11 and 3.6.x before 3.6.7, Thunderbird 3.0.x before 3.0.6 and 3.1.x before 3.1.1, and SeaMonkey before 2.0.6 allows remote attackers to execute arbitrary code via a large selection attribute in a XUL tree element, which triggers a use-after-free.

CWE-190Integer Overflow CWE-416Use After Free

How to fix

Remediation Available

DeveloperEditionWindows application

Affected:3.6 3.6.7Fixed in:3.6.7Mozilla

Affected:3.5 3.5.11Fixed in:3.5.11Mozilla

Mozilla Firefox (en-US)Windows application

Affected:3.6 3.6.7Fixed in:3.6.7Mozilla

Affected:3.5 3.5.11Fixed in:3.5.11Mozilla

Mozilla Thunderbird (en-US)Windows application

Affected:3.0 3.0.6Fixed in:3.0.6Mozilla

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

6.67%probability of exploitation in 30 days

93rdpercentile

High risk: more likely to be exploited than 93% of all known CVEs.

References

Exploit1

bugzilla.mozilla.org

Vendor Advisory1

mozilla.org

Third-Party Advisory4

Other references1

oval.cisecurity.org

Related Vulnerabilities

Other CWE-190 (Integer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix
CVE-2019-11477	High	7.5	99%	-	Fix
CVE-2023-44443	High	7.8	94%	-	Fix
CVE-2014-0569	High	9.3	90%	-	-
CVE-2017-3599	High	7.5	90%	-	Fix
CVE-2023-21716	Critical	9.8	82%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.