CVE-2019-3563

CRITICAL 9.8CVE-2019-3563 · Published 29/04/2019 · updated 17/06/2026

In short

CVE-2019-3563 is a CRITICAL (CVSS 9.8) vulnerability affecting wangle (facebook).
Chance of exploitation in the next 30 days (EPSS): 1.7%, higher than 77.3% of all vulnerabilities.
Fix: update to 2019.04.22.00 or later.

Package	Affected versions	Patched versions
wangle facebook	`< 2019.04.22.00`	`2019.04.22.00`

Description

Wangle's LineBasedFrameDecoder contains logic for identifying newlines which incorrectly advances a buffer, leading to a potential underflow. This affects versions of Wangle prior to v2019.04.22.00

References

facebook/wangle commit 5b3bcec · Patch

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