What is CVE-2007-2867?

CVE-2007-2867 is a vulnerability in Mozilla Firefox, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2007-06-01.

Is CVE-2007-2867 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Mozilla Firefox

CVE-2007-2867

Multiple vulnerabilities in the layout engine for Mozilla Firefox 1.5.x before 1.5.0.12 and 2.x before 2.0.0.4, Thunderbird 1.5.x before 1.5.0.12 and 2.x before 2.0.0.4, and SeaMonkey 1.0.9 and 1.1.2 allow remote attackers to cause a denial of service (crash) via vectors related to dangling pointers, heap corruption, signed/unsigned, and other issues.

Vulnerability class: Buffer Overflow

Published 2007-06-01 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 9.3 (High). Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.034 (88.5th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.034 · newest: 0.034 · change: 0.000

Affected products

Mozilla Firefox — versions 1.5, 1.5.0.1, 1.5.0.2
Mozilla Seamonkey — versions 1.0.3, 1.0.4, 1.0.9
Mozilla Thunderbird — versions 1.5, 1.5.0.1, 1.5.0.2

Weakness classification (CWE)

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

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

secunia.com/advisories/25496 (third-party-advisory)
www.securitytracker.com/id (vdb-entry)
fedoranews.org/cms/node/2747 (vendor-advisory)
www.debian.org/security/2007/dsa-1308 (vendor-advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/34604 (vdb-entry)
www.securitytracker.com/id (vdb-entry)
www.mozilla.org/security/announce/2007/mfsa2007-12.html (Patch)
h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp (vendor-advisory)
www.mandriva.com/security/advisories (vendor-advisory)
secunia.com/advisories/27423 (third-party-advisory)

Frequently asked questions

What is CVE-2007-2867?: CVE-2007-2867 is a vulnerability in Mozilla Firefox, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2007-06-01.
Is CVE-2007-2867 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.