DEBIAN-CVE-2026-6409
- Source
- https://security-tracker.debian.org/tracker/CVE-2026-6409
- Import Source
- https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-6409.json
- JSON Data
- https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-6409
- Upstream
- Published
- 2026-04-16T15:17:41Z
- Modified
- 2026-09-14T17:03:48Z
- Severity
-
- 7.1 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X CVSS Calculator
- Summary
- [none]
- Details
-
A Denial of Service (DoS) vulnerability exists in the Protobuf PHP library during the parsing of untrusted input. Maliciously structured messages—specifically those containing negative varints or deep recursion—can be used to crash the application, impacting service availability.
- References
Affected packages
Debian:12 / protobuf
Package
- Name
- protobuf
- Purl
- pkg:deb/debian/protobuf?arch=source&distro=bookworm
Debian:13 / protobuf
Package
- Name
- protobuf
- Purl
- pkg:deb/debian/protobuf?arch=source&distro=trixie
Debian:14 / protobuf
Package
- Name
- protobuf
- Purl
- pkg:deb/debian/protobuf?arch=source&distro=forky