CVE-2015-7221: fedoraproject fedora
Vulnerability summary
CVE-2015-7221 is a high (CVSS 10.0) vulnerability in fedoraproject fedora. EPSS estimates a 4.51% chance of exploitation in the next 30 days, higher than 91.5% of scored vulnerabilities.
Not severe (CVSS 10, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 3 · Related 2Timeline
- 16-12-2015PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Buffer overflow in the nsDeque::GrowCapacity function in xpcom/glue/nsDeque.cpp in Mozilla Firefox before 43.0 might allow remote attackers to cause a denial of service or possibly have unspecified other impact by triggering a deque size change.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
4.51%
Chance of exploitation in the next 30 days
Percentile
92%
Versus all other CVEs
30-day change
No change 0.00 pp
From 4.51% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Fedoraproject1 product
- fedoraEOL22 | 23
Mozilla1 product
- firefox≤ 42.0
Ubuntu1 product
- firefox< 43.0+build1-0ubuntu0.14.04.1
4 vendors · 5 products
References
16 links- lists.opensuse.org/opensuse-updates/2016-02/msg00008.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
- lists.fedoraproject.org/pipermail/package-announce/2015-December/174253.htmlVendor AdvisoryX Refsource FEDORAThird Party Advisory
- lists.opensuse.org/opensuse-updates/2016-02/msg00007.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
- lists.fedoraproject.org/pipermail/package-announce/2015-December/174083.htmlVendor AdvisoryX Refsource FEDORAThird Party Advisory