CVE-2015-0831

CVE-2015-0831 is a medium-severity vulnerability in Mozilla Thunderbird with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Use-after-free vulnerability in the mozilla::dom::IndexedDB::IDBObjectStore::CreateIndex function in Mozilla Firefox before 36.0, Firefox ESR 31.x before 31.5, and Thunderbird before 31.5 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via crafted content that is improperly handled during IndexedDB index creation.

Frequently asked questions

What is CVE-2015-0831?
Use-after-free vulnerability in the mozilla::dom::IndexedDB::IDBObjectStore::CreateIndex function in Mozilla Firefox before 36.0, Firefox ESR 31.x before 31.5, and Thunderbird before 31.5 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via crafted content that is improperly handled during IndexedDB index creation.
How severe is CVE-2015-0831?
CVE-2015-0831 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2015-0831 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-0831?
CVE-2015-0831 primarily affects Mozilla Thunderbird. In total, 248 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-0831?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-0831 published?
CVE-2015-0831 was published on 2015-02-25 and last updated on 2026-06-17.

References

Affected products (248)

More vulnerabilities in Mozilla Thunderbird

All CVEs affecting Mozilla Thunderbird →