Vulnerability · Published Sep 23, 2026 · Assigned by Qt

CVE-2026-79616Out-of-bounds read vulnerability in Context2D.path and PathSvg.path properties impacts Qt Quick

Low 0.6

In plain English

A low-severity out-of-bounds read in qt from qt. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)0.6Low
Exploit odds (30 days)0.1%top 95.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Out-of-bounds read while parsing untrusted SVG path strings in Qt Quick's Context2D.path / PathSvg.path.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12qt6-declarativeno fix listedDEBIAN-CVE-2026-79616
Debian:13qt6-declarativeno fix listedDEBIAN-CVE-2026-79616
Debian:14qt6-declarative6.11.2+dfsg-3DEBIAN-CVE-2026-79616
Debian:12qtdeclarative-opensource-srcno fix listedDEBIAN-CVE-2026-79616
Debian:13qtdeclarative-opensource-srcno fix listedDEBIAN-CVE-2026-79616
Debian:14qtdeclarative-opensource-srcno fix listedDEBIAN-CVE-2026-79616
Ubuntu:22.04:LTSqt6-declarativeno fix listedUBUNTU-CVE-2026-79616
Ubuntu:24.04:LTSqt6-declarativeno fix listedUBUNTU-CVE-2026-79616
Ubuntu:26.04:LTSqt6-declarativeno fix listedUBUNTU-CVE-2026-79616
Ubuntu:26.10qt6-declarativeno fix listedUBUNTU-CVE-2026-79616

Affected products (as reported)

VendorProductVersions
qt qt 5.10.0 – through 6.8.86.9.0 – through 6.11.1

Weakness: CWE-125 · Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/R:U/RE:L/U:Green

References