5

CVE-2010-2621: digia qt Improper Input Validation

CVSS: 5.0v2.0MediumModified
Published 02-07-2010Last modified 07-08-2024

Vulnerability summary

CVE-2010-2621 is a medium (CVSS 5.0) Improper Input Validation vulnerability in digia qt. EPSS estimates a 10.54% chance of exploitation in the next 30 days, higher than 95.7% of scored vulnerabilities. 3 public exploits are recorded.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.0/10
010
Medium · v2.0 (NVD)
EPSS score
10.54%
0%100%
Medium · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits3reference, exploit-database

Advisory lineage

Upstream 0 · Downstream 0 · Duplicates 1

Timeline

  1. 02-07-2010
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

The QSslSocketBackendPrivate::transmit function in src_network_ssl_qsslsocket_openssl.cpp in Qt 4.6.3 and earlier allows remote attackers to cause a denial of service (infinite loop) via a malformed request.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

10.54%

Chance of exploitation in the next 30 days

Percentile

96%

Versus all other CVEs

30-day change

0.00 pp

From 10.54% on 19-09-2026

19-09-202619-10-2026
EPSS score
10.54%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

3 found
  • referenceUnverified

    Exploit Reference (aluigi.org)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (securityfocus.com)

    Maturity: unknown

  • exploit-databasedosmultipleVerified

    Qt 4.6.3 - 'QSslSocketBackendPrivate::transmit()' Denial of Service

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • qt4-x11< 4:4.6.3-2
Digia1 product
  • qt≤ 4.6.3
Qt1 product
  • qt4.0.0 | 4.0.1 | 4.1.0 | 4.1.1 | 4.1.2 | 4.1.3 | 4.1.4 | 4.1.5 | 4.2.0 | 4.2.1 | 4.2.3 | 4.3.0 | 4.3.1 | 4.3.2 | 4.3.3 | 4.3.4 | 4.3.5 | 4.4.0 | 4.4.1 | 4.4.2 | 4.4.3 | 4.5.0 | 4.5.1 | 4.5.2 | 4.5.3 | 4.6.0 | 4.6.0:rc1 | 4.6.1 | 4.6.2

3 vendors · 3 products

References

9 links