Wangle's LineBasedFrameDecoder contains logic for identifying newlines which incorrectly advances a buffer, leading to a potential underflo…

Published 7 y ago 2019-04-29 · modified 4 mo ago 2026-06-17 · JSON

CVSS

9.8

v3.1 · NVD

CISA KEV

not known exploited

EPSS

1.7%

percentile 77%

Public exploits

none known

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

Exploit prediction (EPSS)

1.71% probability of exploitation in the next 30 days, higher than 77% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
NVD	3.1	9.8	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`
NVD	2.0	7.5	`AV:N/AC:L/Au:N/C:P/I:P/A:P`

Affected products

Facebook Wangle

Classification

Weakness

CWE-126 Buffer Over-read
CWE-787 Out-of-bounds Write

References

github.com /facebook/wangle/commit/5b3bceca875e4ea4ed9d14c20b20ce46c92c13c6 · x_refsource_MISC, x_transferred

Sources

CVE List: CVE-2019-3563
NVD: CVE-2019-3563

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