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Fencer Intel
critical 9.3

CVE-2010-2752 json

Integer overflow in an array class 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…

published 16y ago modified 4mo ago also EUVD-2010-2756

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
9.8%
EPSS 9.8% chance of exploitation in 30 days, percentile 95%
public exploits
1
Exploit-DB

Summary

Integer overflow in an array class 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 by placing many Cascading Style Sheets (CSS) values in an array, related to references to external font resources and an inconsistency between 16-bit and 32-bit integers.

Patch / fix

  • firefox RHEL 4 3.6.7-2.el4
  • firefox RHEL 5 3.6.7-2.el5
  • xulrunner RHEL 5 1.9.2.7-2.el5

red hat advisories RHSA-2010:0547

  • firefox-esr openSUSE Tumbleweed 128.5.1-1.1
  • MozillaFirefox openSUSE Tumbleweed 50.1.0-1.1
  • MozillaThunderbird openSUSE Tumbleweed 45.5.1-1.1

opensuse advisories openSUSE-SU-2024:14572-1openSUSE-SU-2024:10071-1openSUSE-SU-2024:10230-1

Is CVE-2010-2752 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2010-2752 updated cvss 6.8

nsCSSValue:: Array index integer overflow

  • Red Hat Enterprise Linux (v. 5 server) firefox 3.6.7-2.el5, xulrunner 1.9.2.7-2.el5 Red Hat Enterprise Linux AS version 4 firefox 3.6.7-2.el4 Red Hat Enterprise Linux Desktop (v. 5 client) firefox 3.6.7-2.el5, xulrunner 1.9.2.7-2.el5 Red Hat Enterprise Linux Desktop version 4 firefox 3.6.7-2.el4 Red Hat Enterprise Linux Desktop Workstation (v. 5 client) xulrunner 1.9.2.7-2.el5 Red Hat Enterprise Linux ES version 4 firefox 3.6.7-2.el4
    +1 more products
    Red Hat Enterprise Linux WS version 4 firefox 3.6.7-2.el4
    fixed: vendor fix RHSA-2010:0547
  • Red Hat Enterprise Linux 6 firefox
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. Published
  2. First public exploit (EDB-15104)

Exploit prediction

9.78% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-15104 Mozilla Firefox CSS - font-face Remote Code Execution dos, 2010-09-25

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.