CVE-2013-5596

medium
Published 2013-10-30 · Modified 2026-04-29
CVSS v3
CVSS v2
6.8
VIR risk
6.8

Description

The cycle collection (CC) implementation in Mozilla Firefox before 25.0, Firefox ESR 24.x before 24.1, Thunderbird before 24.1, and SeaMonkey before 2.22 does not properly determine the thread for release of an image object, which allows remote attackers to execute arbitrary code or cause a denial of service (race condition and application crash) via a large HTML document containing IMG elements, as demonstrated by the Never-Ending Reddit on reddit.com.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: security@mozilla.org — http://www.mozilla.org/security/announce/2013/mfsa2013-97.html

Application impact

VendorProductVersionsFixed
mozilla mozillathunderbird{"endIncluding":"24.0.1"}
mozilla mozillathunderbird17.0
mozilla mozillathunderbird17.0.1
mozilla mozillathunderbird17.0.2
mozilla mozillathunderbird17.0.3
mozilla mozillathunderbird17.0.4
mozilla mozillathunderbird17.0.5
mozilla mozillathunderbird17.0.6
mozilla mozillathunderbird17.0.7
mozilla mozillathunderbird17.0.8
mozilla mozillathunderbird24.0
mozilla mozillathunderbird_esr17.0.9
mozilla mozillafirefox24.0
mozilla mozillafirefox24.0.1
mozilla mozillafirefox24.0.2
mozilla mozillafirefox{"endIncluding":"24.0"}
mozilla mozillafirefox19.0
mozilla mozillafirefox19.0.1
mozilla mozillafirefox19.0.2
mozilla mozillafirefox20.0
mozilla mozillafirefox20.0.1
mozilla mozillafirefox21.0
mozilla mozillafirefox22.0
mozilla mozillafirefox23.0
mozilla mozillafirefox23.0.1
mozilla mozillaseamonkey{"endIncluding":"2.22"}
mozilla mozillaseamonkey2.0
mozilla mozillaseamonkey2.0.1
mozilla mozillaseamonkey2.0.2
mozilla mozillaseamonkey2.0.3
mozilla mozillaseamonkey2.0.4
mozilla mozillaseamonkey2.0.5
mozilla mozillaseamonkey2.0.6
mozilla mozillaseamonkey2.0.7
mozilla mozillaseamonkey2.0.8
mozilla mozillaseamonkey2.0.9
mozilla mozillaseamonkey2.0.10
mozilla mozillaseamonkey2.0.11
mozilla mozillaseamonkey2.0.12
mozilla mozillaseamonkey2.0.13
mozilla mozillaseamonkey2.0.14
mozilla mozillaseamonkey2.1
mozilla mozillaseamonkey2.10
mozilla mozillaseamonkey2.10.1
mozilla mozillaseamonkey2.11
mozilla mozillaseamonkey2.12
mozilla mozillaseamonkey2.12.1
mozilla mozillaseamonkey2.13
mozilla mozillaseamonkey2.13.1
mozilla mozillaseamonkey2.13.2
mozilla mozillaseamonkey2.14
mozilla mozillaseamonkey2.15
mozilla mozillaseamonkey2.15.1
mozilla mozillaseamonkey2.15.2
mozilla mozillaseamonkey2.16
mozilla mozillaseamonkey2.16.1
mozilla mozillaseamonkey2.16.2
mozilla mozillaseamonkey2.17
mozilla mozillaseamonkey2.17.1
mozilla mozillaseamonkey2.18
mozilla mozillaseamonkey2.19
mozilla mozillaseamonkey2.20
mozilla mozillaseamonkey2.21
mozilla mozillaseamonkey2.22

References

CWEs

CWE-119

Verify integrity in audit chain (admin only). AS-IS.