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prionPRIOn knowledge basePRION:CVE-2023-5174
HistorySep 27, 2023 - 3:19 p.m.

Design/Logic Flaw

2023-09-2715:19:00
PRIOn knowledge base
www.prio-n.com
9
windows
design flaw
handle duplication
firefox
sandbox
use-after-free
vulnerability
nvd
thunderbird

9 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

29.8%

If Windows failed to duplicate a handle during process creation, the sandbox code may have inadvertently freed a pointer twice, resulting in a use-after-free and a potentially exploitable crash.
This bug only affects Firefox on Windows when run in non-standard configurations (such as using runas). Other operating systems are unaffected. This vulnerability affects Firefox < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.

CPENameOperatorVersion
firefoxlt118
firefox_esrlt115.3
thunderbirdlt115.3