Source: msgpack-java Version: 0.9.6-1 Severity: important Tags: security upstream Forwarded: https://github.com/msgpack/msgpack-java/issues/1014 X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>
*** /tmp/msgpack-java.reportbug Package: msgpack-java X-Debbugs-CC: [email protected] Severity: grave Tags: security Hi, The following vulnerability was published for msgpack-java. CVE-2026-90473[0]: | msgpack-java through 0.9.12 contains an integer overflow | vulnerability in MessageUnpacker.skipValue() when processing MAP32 | containers with large element counts. Attackers can supply a MAP32 | element count at or above 0x40000000 that wraps when doubled, | causing the parser cursor to desynchronize and attacker-controlled | data to be returned in place of later fields. If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2026-90473 https://www.cve.org/CVERecord?id=CVE-2026-90473 [1] https://github.com/msgpack/msgpack-java/issues/1014 Please adjust the affected versions in the BTS as needed. Regards, Salvatore

