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Fencer Vulns
critical 10.0

CVE-2008-4070 json

Heap-based buffer overflow in Mozilla Thunderbird before 2.0.0.17 and SeaMonkey before 1.1.12 allows remote attackers to cause a denial of…

published 2008-09-27 18 y ago modified 2026-06-16 4 mo ago also EUVD-2008-4055

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
7.4%
EPSS 7.4% chance of exploitation in 30 days, percentile 94%
public exploits
0
none known

Summary

Heap-based buffer overflow in Mozilla Thunderbird before 2.0.0.17 and SeaMonkey before 1.1.12 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a long header in a news article, related to "canceling [a] newsgroup message" and "cancelled newsgroup messages."

Patch / fix

  • thunderbird RHEL 4 1.5.0.12-16.el4
  • thunderbird RHEL 5 PRODUCTIVITY, RHEL 5 2.0.0.17-1.el5

red hat advisories RHSA-2008:0908

  • MozillaThunderbird openSUSE Tumbleweed 91.1.1-1.1

opensuse advisories openSUSE-SU-2024:10601-1

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-2008-4070 updated

Thunderbird cancelled newsgrop messages

  • Red Hat Enterprise Linux AS version 4 thunderbird 1.5.0.12-16.el4 Red Hat Enterprise Linux Desktop (v. 5 client) thunderbird 2.0.0.17-1.el5 Red Hat Enterprise Linux Desktop version 4 thunderbird 1.5.0.12-16.el4 Red Hat Enterprise Linux ES version 4 thunderbird 1.5.0.12-16.el4 Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) thunderbird 2.0.0.17-1.el5 Red Hat Enterprise Linux WS version 4 thunderbird 1.5.0.12-16.el4
    fixed: vendor fix RHSA-2008:0908

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

7.35% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=425152 referenced PoC, tagged "exploit" by a source, unverified

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 Vulns 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.