CVSS v3
9.1
CRITICAL
EPSS Score
22.8%
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
An out-of-bounds read while processing SVG content in "ConvolvePixel". This results in a crash and also allows for otherwise inaccessible memory being copied into SVG graphic content, which could then displayed. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.
An out-of-bounds read while processing SVG content in "ConvolvePixel". This results in a crash and also allows for otherwise inaccessible memory being copied into SVG graphic content, which could then displayed. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.
Active exploitation of CVE-2017-5465 has not been confirmed. The EPSS score is 22.8%, indicating the estimated probability of exploitation in the next 30 days.
CVE-2017-5465 has a CVSS v3 base score of 9.1 (CRITICAL severity).
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Ranked by exploit probability (EPSS).