CVE-2021-28025: qt Integer Overflow or Wraparound
CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2021-28025DEBIAN-CVE-2021-28025
Published 11-08-2023Last modified 09-10-2024
Vulnerability summary
CVE-2021-28025 is a medium (CVSS 5.5) Integer Overflow or Wraparound vulnerability in qt. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 20.3% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
5.5/10
010
Medium · v3.1 (NVD)EPSS score
0.29%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 11-08-2023PublishedVulnerability first disclosed.
- 09-10-2024Last modifiedVulnerability information updated.
Description
Integer Overflow vulnerability in qsvghandler.cpp in Qt qtsvg versions 5.15.1, 6.0.0, 6.0.2, and 6.2, allows local attackers to cause a denial of service (DoS).
CVSS metrics
3 scores · 3 sources · 1 versionMedium 5.5Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.29%
Chance of exploitation in the next 30 days
Percentile
20%
Versus all other CVEs
30-day change
0.00 pp
From 0.29% on 19-09-2026
19-09-202619-10-2026
EPSS score0.29%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (bugreports.qt.io)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Ubuntu3 products
- qt4-x11All versions (No fix recorded)
- qt6-svgAll versions (No fix recorded)
- qtsvg-opensource-src< 5.5.1-2ubuntu0.1~esm1 | < 5.12.8-0ubuntu1+esm1
Debian1 product
- qtsvg-opensource-src< 5.15.4-2
Qt1 product
- qtEOL5.15.1 | 6.0.0 | 6.0.0:alpha1 | 6.0.0:beta1 | 6.0.0:beta2 | 6.0.0:beta3 | 6.0.0:beta4 | 6.0.0:beta5 | 6.0.0:rc1 | 6.0.0:rc2 | 6.0.2 | 6.2.0:alpha1 | 6.2.0:beta1 | 6.2.0:beta2 | 6.2.0:beta3 | 6.2.0:beta4 | 6.2.0:rc1 | 6.2.0:rc2
3 vendors · 5 products