CVE-2014-1564

mediumpriority · track · 29EPSS 0.055 · 93 %ileexploit · functionalEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · functional

Likely / severe?

5.46% (93rd) EPSS

CVSS 4.3 · medium

Is it mine?

11 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

Mozilla Firefox before 32.0, Firefox ESR 31.x before 31.1, and Thunderbird 31.x before 31.1 do not properly initialize memory for GIF rendering, which allows remote attackers to obtain sensitive information from process memory via crafted web script that interacts with a CANVAS element associated with a malformed GIF image.

cvss

Technical severity, 0–10. One row per scoring source.

4.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.9–4.3

v2.04.3mediumAV:N/AC:M/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v2.04.3mediumAV:N/AC:M/Au:N/C:P/I:N/A:Nsecondary · FSTEC (BDU) RU

v2.03.9lowAV:N/AC:M/Au:N/C:P/I:N/A:N/E:POCsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-824USprimaryCWE-824US

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-39295Mozilla Firefox 9.0.1 / Thunderbird 3.1.20 - Information Disclosurefunctional · exploit_db

affected products (11)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Mozilla Corp. Firefox24.0 → 32.0fstec_bduRU
Mozilla Corp. Firefox ESR31.0 → 31.1fstec_bduRU
Mozilla Corp. Thunderbird31.0 → 31.1fstec_bduRU
mozilla firefox≤ 31.1.0nvdUScpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla firefox= 30.0nvdUScpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla firefox= 31.0nvdUScpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla thunderbird= 31.0nvdUScpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
opensuse evergreen= 11.4nvdUScpe:2.3:o:opensuse:evergreen:*:*:*:*:*:*:*:*
opensuse opensuse= 12.3nvdUScpe:2.3:o:opensuse:opensuse:*:*:*:*:*:*:*:*
opensuse opensuse= 13.1nvdUScpe:2.3:o:opensuse:opensuse:*:*:*:*:*:*:*:*

also known as (7)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2014-09-03modified 2026-06-17

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+454 more

references (35)

External citations — patches, advisories, analysis.

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