CVE-2017-5447 — Vulnetix

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CVE-2017-5447 PUBLISHED

An out-of-bounds read during the processing of glyph widths during text layout. This results in a potentially exploitable crash and could allow an attacker to read otherwise inaccessible memory. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

EPSS 17.13% · 94.9th percentile

Risk Scores

EPSS Score

17.13%

94.9th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:16.04:LTS	firefox	52.0.2+build1-0ubuntu0.16.04.1, 52.0.1+build2-0ubuntu0.16.04.1, 52.0+build2-0ubuntu0.16.04.1
Ubuntu:14.04:LTS	firefox	39.0+build5-0ubuntu0.14.04.1, 39.0.3+build2-0ubuntu0.14.04.1, 40.0+build4-0ubuntu0.14.04.1
Ubuntu:14.04:LTS	thunderbird	1:38.6.0+build1-0ubuntu0.14.04.1, 1:38.7.2+build1-0ubuntu0.14.04.1, 1:38.8.0+build1-0ubuntu0.14.04.1
Ubuntu:16.04:LTS	thunderbird	0, 1:38.3.0+build1-0ubuntu2, 1:38.5.1+build2-0ubuntu1

Timeline

Apr 20, 2017 CVE Published
May 25, 2017 PoC Published
Apr 14, 2021 EPSS Score
Jun 22, 2021 EPSS Score
Oct 24, 2021 EPSS Score
Dec 25, 2021 EPSS Score
Feb 25, 2022 EPSS Score
Apr 28, 2022 EPSS Score
Jun 29, 2022 EPSS Score
Nov 1, 2022 EPSS Score
Jan 2, 2023 EPSS Score
Mar 7, 2023 EPSS Score

References

https://ubuntu.com/security/CVE-2017-5447 third-party-advisory
https://www.mozilla.org/en-US/security/advisories/mfsa2017-10/#CVE-2017-5447 third-party-advisory
https://ubuntu.com/security/notices/USN-3260-1 vendor-advisory
https://ubuntu.com/security/notices/USN-3278-1 vendor-advisory
https://www.cve.org/CVERecord?id=CVE-2017-5447 third-party-advisory

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