7.5

CVE-2010-1766: digia qt Numeric Errors

CVSS: 7.5v2.0HighModified
Published 22-07-2010Last modified 07-08-2024

Vulnerability summary

CVE-2010-1766 is a high (CVSS 7.5) Numeric Errors vulnerability in digia qt. EPSS estimates a 2.25% chance of exploitation in the next 30 days, higher than 82.6% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v2.0 (NVD)
EPSS score
2.25%
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. 22-07-2010
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

Off-by-one error in the WebSocketHandshake::readServerHandshake function in websockets/WebSocketHandshake.cpp in WebCore in WebKit before r56380, as used in Qt and other products, allows remote websockets servers to cause a denial of service (memory corruption) or possibly have unspecified other impact via an upgrade header that is long and invalid.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

2.25%

Chance of exploitation in the next 30 days

Percentile

83%

Versus all other CVEs

30-day change

0.00 pp

From 2.25% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.25%

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

Digia1 product
  • qt≤ 4.6.2
Webkit1 product

2 vendors · 2 products

References

15 links
Show all 15 references