CVE-2013-5603

critical
Published 2013-10-30 · Modified 2026-04-29
CVSS v3
CVSS v2
10.0
VIR risk
10.0

Description

Use-after-free vulnerability in the nsContentUtils::ContentIsHostIncludingDescendantOf function in Mozilla Firefox before 25.0, Firefox ESR 24.x before 24.1, Thunderbird before 24.1, and SeaMonkey before 2.22 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via vectors involving HTML document templates.

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/mfsa2013-102.html

Application impact

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

References

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