7.5

CVE-2007-4137: trolltech qt

CVSS: 7.5v2.0HighModified
Published 18-09-2007Last modified 07-08-2024
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Vulnerability summary

CVE-2007-4137 is a high (CVSS 7.5) vulnerability in trolltech qt. EPSS estimates a 2.34% chance of exploitation in the next 30 days, higher than 83.3% 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
2.34%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2
DSA-1426-1RHSA-2007:0883

Timeline

  1. 18-09-2007
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

Off-by-one error in the QUtf8Decoder::toUnicode function in Trolltech Qt 3 allows context-dependent attackers to cause a denial of service (crash) via a crafted Unicode string that triggers a heap-based buffer overflow. NOTE: Qt 4 has the same error in the QUtf8Codec::convertToUnicode function, but it is not exploitable.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

2.34%

Chance of exploitation in the next 30 days

Percentile

83%

Versus all other CVEs

30-day change

0.00 pp

From 2.34% on 20-09-2026

20-09-202620-10-2026
EPSS score
2.34%

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

Trolltech1 product
  • qt3.0 | 3.0.3 | 3.0.5 | 3.1 | 3.1.1 | 3.1.2 | 3.2.1 | 3.2.3 | 3.3.0 | 3.3.1 | 3.3.2 | 3.3.3 | 3.3.4 | 3.3.5 | 3.3.6 | 3.3.7 | 3.3.8 | 4.1 | 4.1.4 | 4.1.5 | 4.2 | 4.2.1 | 4.2.3

1 vendor · 1 product

References

35 links
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