Integer Overflow or Wraparound

Overview Affected versions of this package are vulnerable to Integer Overflow or Wraparound via MessageUnpacker.skipValue in msgpack-core/src/main/java/org/msgpack/core/MessageUnpacker.java. An attacker can desynchronize the parser and cause attacker-controlled data to be returned in place of lat...

CVE-2026-90473

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...

DEBIAN-CVE-2026-90473

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...

UBUNTU-CVE-2026-90473

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...

CVE-2026-90473

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...

CVE-2026-90473 msgpack-java through 0.9.12 Integer Overflow via MAP32

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...

CVE-2026-90473 msgpack-java through 0.9.12 Integer Overflow via MAP32

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...

EUVD-2026-76849

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...

CVE-2026-90473

msgpack-java through 0.9.12 is affected by an integer overflow in MessageUnpacker.skipValue() when processing MAP32 containers. An attacker can supply a MAP32 element count of 0x40000000 or greater , which wraps when doubled, causing the parser cursor to desynchronize so that attacker-controlled ...

Linux Distros Unpatched Vulnerability : CVE-2026-90473

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - msgpack-java through 0.9.12 contains an integer overflow vulnerability in MessageUnpacker.skipValue when processing MAP32 containers with large element counts...

PT-2026-90636

Name of the Vulnerable Software and Affected Versions msgpack-java versions prior to 0.9.13 Description An integer overflow occurs in the MessageUnpacker.skipValue function when processing MAP32 containers with large element counts. By providing a MAP32 element count of 0x40000000 or higher, the...