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Fencer Intel
critical 10.0

CVE-2011-0058 json

Buffer overflow in Mozilla Firefox before 3.5.17 and 3.6.x before 3.6.14, and SeaMonkey before 2.0.12, on Windows allows remote attackers t…

published 2011-03-02 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-0084

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.5%
EPSS 5.5% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

Buffer overflow in Mozilla Firefox before 3.5.17 and 3.6.x before 3.6.14, and SeaMonkey before 2.0.12, on Windows allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a long string that triggers construction of a long text run.

Patch / fix

  • firefox RHEL 4 3.6.14-4.el4
  • firefox RHEL 5 3.6.14-4.el5_6
  • firefox RHEL 6 3.6.14-4.el6_0
  • xulrunner RHEL 5 1.9.2.14-4.el5_6
  • xulrunner RHEL 6 1.9.2.14-3.el6_0

red hat advisories RHSA-2011:0310

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-2011-0058 updated cvss 6.8

Mozilla memory corruption during text run construction (MFSA 2011-07)

  • Red Hat Enterprise Linux (v. 5.6.z server) firefox 3.6.14-4.el5_6, xulrunner 1.9.2.14-4.el5_6 Red Hat Enterprise Linux AS version 4 firefox 3.6.14-4.el4 Red Hat Enterprise Linux Desktop (v. 6) firefox 3.6.14-4.el6_0, xulrunner 1.9.2.14-3.el6_0 Red Hat Enterprise Linux Desktop Optional (v. 6) xulrunner 1.9.2.14-3.el6_0 Red Hat Enterprise Linux Desktop version 4 firefox 3.6.14-4.el4 Red Hat Enterprise Linux ES version 4 firefox 3.6.14-4.el4
    +6 more products
    Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox 3.6.14-4.el6_0, xulrunner 1.9.2.14-3.el6_0 Red Hat Enterprise Linux Server (v. 6) firefox 3.6.14-4.el6_0, xulrunner 1.9.2.14-3.el6_0 Red Hat Enterprise Linux Server Optional (v. 6) xulrunner 1.9.2.14-3.el6_0 Red Hat Enterprise Linux Workstation (v. 6) firefox 3.6.14-4.el6_0, xulrunner 1.9.2.14-3.el6_0 Red Hat Enterprise Linux Workstation Optional (v. 6) xulrunner 1.9.2.14-3.el6_0 Red Hat Enterprise Linux WS version 4 firefox 3.6.14-4.el4
    fixed: vendor fix RHSA-2011:0310

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

Exploit prediction

5.50% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

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.