CVE-2018-5090

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-06-11 · updated 2026-06-17
Weakness: CWE-119

Description

Memory safety bugs were reported in Firefox 57. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 58.

Affected products

Canonical Ubuntu Linux: 14.04, 16.04, 17.10
Mozilla Firefox: through 57.0.4

References

http://www.securityfocus.com/bid/102786
http://www.securitytracker.com/id/1040270
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1413857%2C1412653%2C1418966%2C1427126%2C1412942%2C1401459%2C1364399%2C1382851%2C1423770%2C1401420%2C1281965%2C1389561%2C1409179%2C1416879%2C1421786%2C1426449%2C1416799%2C1400912%2C1415158%2C1415748%2C1415788%2C1371891%2C1415770%2C1416519%2C1413143%2C1418841%2C1384544%2C1410140%2C1411631%2C1412313%2C1412641%2C1412645%2C1412646%2C1412648%2C1261175
https://usn.ubuntu.com/3544-1/
https://www.mozilla.org/security/advisories/mfsa2018-02/
http://www.securityfocus.com/bid/102786
http://www.securitytracker.com/id/1040270
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1413857%2C1412653%2C1418966%2C1427126%2C1412942%2C1401459%2C1364399%2C1382851%2C1423770%2C1401420%2C1281965%2C1389561%2C1409179%2C1416879%2C1421786%2C1426449%2C1416799%2C1400912%2C1415158%2C1415748%2C1415788%2C1371891%2C1415770%2C1416519%2C1413143%2C1418841%2C1384544%2C1410140%2C1411631%2C1412313%2C1412641%2C1412645%2C1412646%2C1412648%2C1261175
https://usn.ubuntu.com/3544-1/
https://www.mozilla.org/security/advisories/mfsa2018-02/

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