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CVE-2026-2625 Red Hat CVE debrief

A flaw was found in rust-rpm-sequoia. An attacker can exploit this vulnerability by providing a specially crafted Red Hat Package Manager (RPM) file. During the RPM signature verification process, this crafted file can trigger an error in the OpenPGP signature parsing code, leading to an unconditional termination of the rpm process. This issue results in an application level denial of service, making the system unable to process RPM files for signature verification. The vulnerability affects users of Red Hat Hardened Images and rust-rpm-sequoia, causing a denial of service.

Vendor
Red Hat
Product
Red Hat Hardened Images
CVSS
MEDIUM 4
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-03
Original CVE updated
2026-07-24
Advisory published
2026-04-03
Advisory updated
2026-07-24

Who should care

Users of Red Hat Hardened Images and rust-rpm-sequoia are advised to take action as the flaw can cause a denial of service. This includes operators, platform administrators, vulnerability management teams, and security teams who need to assess the impact on their systems and implement necessary mitigations.

Technical summary

The vulnerability exists in the OpenPGP signature parsing code of rust-rpm-sequoia, which can be triggered by a specially crafted RPM file, leading to a denial of service. The CVSS score is 4 (MEDIUM). This issue results in an application level denial of service, making the system unable to process RPM files for signature verification. The flaw can cause a denial of service, affecting users of Red Hat Hardened Images and rust-rpm-sequoia.

Defensive priority

Apply patches or mitigations provided by the vendor to prevent exploitation. Review and update affected systems and components. Monitor for and respond to potential denial of service attacks.

Recommended defensive actions

  • Apply patches or updates provided by Red Hat to address the vulnerability
  • Review and update affected systems and components
  • Monitor for and respond to potential denial of service attacks
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record was published on 2026-04-03T19:17:22.340Z and was last modified on 2026-07-24T22:10:00.140Z. The NVD entry is currently Analyzed. This information is based on the provided source corpus and may not reflect the full scope of affected systems or potential impacts. Users should verify the details with the official CVE record and NVD entry for the most accurate and up-to-date information.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-2625 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-2625

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-2625 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-2625

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.