DEBIAN-CVE-2026-9516
- Source
- https://security-tracker.debian.org/tracker/CVE-2026-9516
- Import Source
- https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-9516.json
- JSON Data
- https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-9516
- Upstream
- Published
- 2026-06-03T01:16:23Z
- Modified
- 2026-09-14T17:03:38Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
Cpanel::JSON::XS versions before 4.41 for Perl allow denial of service via UTF-8 BOM prefixed input when a decode filter callback throws. To skip a leading 3-byte UTF-8 BOM, decode_json() advances the input scalar's string pointer past the mark with SvPV_set() and restores it only on the normal return path. When decoding aborts through a Perl exception, for example a filter_json_object callback that croaks, the restore is skipped and the scalar is left with its string pointer offset into its own buffer and a shortened length. When that scalar is later freed, the allocator receives an invalid pointer and the interpreter aborts. A single BOM prefixed document decoded with a throwing filter callback crashes any caller.
- References
Affected packages
Debian:12 / libcpanel-json-xs-perl
Package
- Name
- libcpanel-json-xs-perl
- Purl
- pkg:deb/debian/libcpanel-json-xs-perl?arch=source&distro=bookworm
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affected
Debian:13 / libcpanel-json-xs-perl
Package
- Name
- libcpanel-json-xs-perl
- Purl
- pkg:deb/debian/libcpanel-json-xs-perl?arch=source&distro=trixie
Debian:14 / libcpanel-json-xs-perl
Package
- Name
- libcpanel-json-xs-perl
- Purl
- pkg:deb/debian/libcpanel-json-xs-perl?arch=source&distro=forky