Heap corruption in UniRPC service

Description

Rocket Software UniData versions prior to 8.2.4 build 3003 and UniVerse versions prior to 11.3.5 build 1001 or 12.2.1 build 2002 suffer from a heap-based overflow vulnerability, where certain input can corrupt the heap and crash the forked process.

Scores

EPSS (exploitation in 30 days)

0.90% · top 40% of all CVEs (7 Nov 2026)

CISA SSVC

Exploitation: poc · Automatable: no · Technical impact: total

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.

Weakness

• CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') (opens in a new tab)All about CWE-120 and its CVEs
• CWE-787 (opens in a new tab)All about CWE-787 and its CVEs

Affected products

• Rocket Software · UniData

  • affected < 8.2.43.3003

• Rocket Software · UniVerse

  • affected < 11.3.5.1001
  • affected < 12.2.1.2002

References (1)

• https://www.rapid7.com/blog/post/2023/03/29/multiple-vulnerabilities-in-rocket-software-unirpc-server-fixed/ (opens in a new tab)third-party-advisoryx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2023-28508](https://trackcve.app/badge/CVE-2023-28508.svg)](https://trackcve.app/cve/CVE-2023-28508)

Record last updated 18 Feb 2025, 16:56 UTC.