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Fencer Intel
medium 6.5

CVE-2014-1523 json

Heap-based buffer overflow in the read_u32 function in Mozilla Firefox before 29.0, Firefox ESR 24.x before 24.5, Thunderbird before 24.5,…

published 12y ago modified 4mo ago also EUVD-2014-1599

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.1%
EPSS 3.1% chance of exploitation in 30 days, percentile 88%
public exploits
0
none known

Summary

Heap-based buffer overflow in the read_u32 function in Mozilla Firefox before 29.0, Firefox ESR 24.x before 24.5, Thunderbird before 24.5, and SeaMonkey before 2.26 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted JPEG image.

Patch / fix

  • mozilla firefox 24.5, 29.0
  • mozilla seamonkey 2.26
  • mozilla thunderbird 24.5
  • firefox Ubuntu 14.04 LTS 29.0+build1-0ubuntu0.14.04.2
  • thunderbird Ubuntu 14.04 LTS 1:24.5.0+build1-0ubuntu0.14.04.1

ubuntu advisories UBUNTU-CVE-2014-1523

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • thunderbird RHEL 5 PRODUCTIVITY, RHEL 5 24.5.0-1.el5_10
  • thunderbird RHEL 6 24.5.0-1.el6_5
  • firefox RHEL 5 24.5.0-1.el5_10
  • firefox RHEL 6 24.5.0-1.el6_5

red hat advisories RHSA-2014:0449RHSA-2014:0448

  • firefox-esr openSUSE Tumbleweed 128.5.1-1.1
  • MozillaFirefox openSUSE Tumbleweed 50.1.0-1.1
  • MozillaThunderbird openSUSE Tumbleweed 45.5.1-1.1

opensuse advisories openSUSE-SU-2024:14572-1openSUSE-SU-2024:10071-1openSUSE-SU-2024:10230-1

Is CVE-2014-1523 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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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-2014-1523 updated cvss 4.3

Mozilla: Out of bounds read while decoding JPG images (MFSA-2014-37)

  • Red Hat Enterprise Linux (v. 5 server) firefox 24.5.0-1.el5_10 Red Hat Enterprise Linux Desktop (v. 5 client) firefox 24.5.0-1.el5_10, thunderbird 24.5.0-1.el5_10 Red Hat Enterprise Linux Desktop (v. 6) firefox 24.5.0-1.el6_5, thunderbird 24.5.0-1.el6_5 Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox 24.5.0-1.el6_5
    fixed: vendor fix RHSA-2014:0448
  • Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) thunderbird 24.5.0-1.el5_10
    fixed: vendor fix RHSA-2014:0449
  • Red Hat Enterprise Linux Server (v. 6) firefox 24.5.0-1.el6_5
    fixed: vendor fix RHSA-2014:0448
  • Red Hat Enterprise Linux Server Optional (v. 6) thunderbird 24.5.0-1.el6_5
    fixed: vendor fix RHSA-2014:0449
  • Red Hat Enterprise Linux Workstation (v. 6) firefox 24.5.0-1.el6_5, thunderbird 24.5.0-1.el6_5
    fixed: vendor fix RHSA-2014:0448

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

3.15% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

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.