SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-11717

A vulnerability exists where the caret ("^") character is improperly escaped constructing some URIs due to it being used as a separator, allowing for possible spoofing of origin attributes.

MEDIUM 5.3EPSS 2.13%

Does this matter?

Lower severity and a low EPSS score (2.13%). Track it; it rarely justifies an emergency change on its own.

Description

A vulnerability exists where the caret ("^") character is improperly escaped constructing some URIs due to it being used as a separator, allowing for possible spoofing of origin attributes. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.

CVSS 3.1
5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS
2.13% probability · 81th percentile
CISA KEV
Not listed
Weakness
CWE-116
Affected
mozilla/firefox · mozilla/thunderbird · debian/debian linux · novell/suse package hub for suse linux enterprise · opensuse/leap
Source
security@mozilla.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.