HOMEVULNERABILITIESCVE-2015-2735
CRITICAL

CVE-2015-2735

CWE-17Published: July 6, 2015· Updated: Jun 17, 2026

9.3
CVSS v3.1

Official Description

nsZipArchive.cpp in Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 and 38.x before 38.1, and Thunderbird before 38.1 accesses unintended memory locations, which allows remote attackers to have an unspecified impact via a crafted ZIP archive.

NVD Source

Technical Analysis

CVE-2015-2735 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityM
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityC
IntegrityC
AvailabilityC
AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected Vendors & Products

Canonical1 product(s)
ubuntu linux
Debian1 product(s)
debian linux
Mozilla3 product(s)
firefoxfirefox esrthunderbird
novell3 product(s)
suse linux enterprise software development kitsuse linux enterprise desktopsuse linux enterprise server
Oracle1 product(s)
solaris
Source: NVD CPE · 27 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (40)

Quick Facts

CVE IDCVE-2015-2735
CVSS Score9.3 / 10
SeverityCRITICAL
WeaknessCWE-17
CISA KEVNo
Affected5 vendor(s)
PublishedJul 6, 2015

Related CVEs (CWE-17)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2015-2735 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.