AZL-109839
See a problem?- Import Source
- https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-109839.json
- JSON Data
- https://api.osv.dev/v1/vulns/AZL-109839
- Upstream
- Published
- 2026-10-19T19:17:21Z
- Modified
- 2026-10-24T05:31:11Z
- Summary
- CVE-2026-110675 affecting package perl-Cpanel-JSON-XS 4.39-1
- Details
-
Cpanel::JSON::XS versions from 4.33 before 4.80 for Perl accept malformed UTF-8 in bare hash keys under allow_barekey in decode_hv.
With utf8 and allow_barekey, which relaxed enables, a quoted key is validated as UTF-8 but a bare key's bytes are stored as a UTF-8 flagged string without any check. Malformed UTF-8, control bytes and backslashes reach the decoded hash, while malformed UTF-8 and control bytes in a quoted key or a value are rejected.
Later operations on the key, including lc, uc or encoding the hash again, die with a malformed UTF-8 error.
- References