CVE-2014-1555

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-07-23 · updated 2026-06-17

Description

Use-after-free vulnerability in the nsDocLoader::OnProgress function in Mozilla Firefox before 31.0, Firefox ESR 24.x before 24.7, and Thunderbird before 24.7 allows remote attackers to execute arbitrary code via vectors that trigger a FireOnStateChange event.

Affected products

Mozilla Firefox: through 30.0; 24.0, 24.0.1, 24.0.2, 24.1.0, 24.1.1
Mozilla Firefox ESR: 24.2, 24.3, 24.4, 24.5, 24.6
Mozilla Thunderbird: through 24.6; 24.0, 24.0.1, 24.1, 24.1.1, 24.2, 24.3 (+2)

References

http://linux.oracle.com/errata/ELSA-2014-0918.html
http://secunia.com/advisories/59591
http://secunia.com/advisories/59719
http://secunia.com/advisories/59760
http://secunia.com/advisories/60083
http://secunia.com/advisories/60306
http://secunia.com/advisories/60486
http://secunia.com/advisories/60621
http://secunia.com/advisories/60628
http://www.debian.org/security/2014/dsa-2986
http://www.debian.org/security/2014/dsa-2996
http://www.mozilla.org/security/announce/2014/mfsa2014-61.html

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