9.8

CVE-2019-3563: facebook wangle Buffer Over-read

CVSS: 9.8v3.1CriticalModified
Published 29-04-2019Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2019-3563 is a critical (CVSS 9.8) Buffer Over-read vulnerability in facebook wangle. EPSS estimates a 1.71% chance of exploitation in the next 30 days, higher than 76.9% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
1.71%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 29-04-2019
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

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

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.71%

Chance of exploitation in the next 30 days

Percentile

77%

Versus all other CVEs

30-day change

0.00 pp

From 1.71% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.71%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Facebook1 product
  • wanglev2019.04.22.00 | ≥ unspecified, < v2019.04.22.00 | < 2019.04.22.00

1 vendor · 1 product

References

1 links