# CVE-2026-81934: Redis TLS pending-data list use-after-free

> CVE-2026-81934: Redis TLS pending-data list use-after-free. CVSS 7.1 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-81934
Last updated: 2026-08-31T20:17:12Z

- Published: 2026-08-27 19:40 UTC · Updated: 2026-08-31 20:17 UTC · Assigner: cisa-cg
- CVSS: 7.1 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS: 0.48%, 41th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-416

## Description

Redis contains a use-after-free vulnerability in the 'tlsProcessPendingData()' function, which handles the TLS pending-data list if Redis is configured with TLS support. A remote, unauthenticated attacker may be able to execute arbitrary commands with the privileges of the Redis server.

## Affected vendors and products

- Redis: Redis
- Redis: Redis Software (Enterprise)

## Tracked companies

- [Redis](https://rewindex.com/company/redis.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-81934)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-81934)
- [https://github.com/redis/redis/commit/6d088c335d5c3ec49a6c28486140b498e70b7834](https://github.com/redis/redis/commit/6d088c335d5c3ec49a6c28486140b498e70b7834)
- [https://github.com/redis/redis/releases/tag/6.2.24](https://github.com/redis/redis/releases/tag/6.2.24)
- [https://github.com/redis/redis/releases/tag/7.2.16](https://github.com/redis/redis/releases/tag/7.2.16)
- [https://github.com/redis/redis/releases/tag/7.4.11](https://github.com/redis/redis/releases/tag/7.4.11)
- [https://github.com/redis/redis/releases/tag/8.10.1](https://github.com/redis/redis/releases/tag/8.10.1)
- [https://github.com/redis/redis/releases/tag/8.2.9](https://github.com/redis/redis/releases/tag/8.2.9)
- [https://github.com/redis/redis/releases/tag/8.4.6](https://github.com/redis/redis/releases/tag/8.4.6)
- [https://github.com/redis/redis/releases/tag/8.6.6](https://github.com/redis/redis/releases/tag/8.6.6)
- [https://github.com/redis/redis/releases/tag/8.8.2](https://github.com/redis/redis/releases/tag/8.8.2)
- [https://github.com/v12-security/pocs/tree/main/redis/server\_ssl](https://github.com/v12-security/pocs/tree/main/redis/server_ssl)
- [https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf\_files/IT/white/2025/va-26-239-01.json](https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-26-239-01.json)
- [https://raw.githubusercontent.com/redis/redis/6.2/00-RELEASENOTES](https://raw.githubusercontent.com/redis/redis/6.2/00-RELEASENOTES)
- [https://raw.githubusercontent.com/redis/redis/7.2/00-RELEASENOTES](https://raw.githubusercontent.com/redis/redis/7.2/00-RELEASENOTES)
- [https://raw.githubusercontent.com/redis/redis/7.4/00-RELEASENOTES](https://raw.githubusercontent.com/redis/redis/7.4/00-RELEASENOTES)
- [https://raw.githubusercontent.com/redis/redis/8.10/00-RELEASENOTES](https://raw.githubusercontent.com/redis/redis/8.10/00-RELEASENOTES)
- [https://raw.githubusercontent.com/redis/redis/8.2/00-RELEASENOTES](https://raw.githubusercontent.com/redis/redis/8.2/00-RELEASENOTES)
- [https://raw.githubusercontent.com/redis/redis/8.4/00-RELEASENOTES](https://raw.githubusercontent.com/redis/redis/8.4/00-RELEASENOTES)
- [https://raw.githubusercontent.com/redis/redis/8.6/00-RELEASENOTES](https://raw.githubusercontent.com/redis/redis/8.6/00-RELEASENOTES)
- [https://raw.githubusercontent.com/redis/redis/8.8/00-RELEASENOTES](https://raw.githubusercontent.com/redis/redis/8.8/00-RELEASENOTES)
- [https://redis.io/docs/latest/operate/rs/release-notes/rs-7-22-releases/rs-7-22-2-179/](https://redis.io/docs/latest/operate/rs/release-notes/rs-7-22-releases/rs-7-22-2-179/)
- [https://redis.io/docs/latest/operate/rs/release-notes/rs-7-8-releases/rs-7-8-6-303/](https://redis.io/docs/latest/operate/rs/release-notes/rs-7-8-releases/rs-7-8-6-303/)
- [https://redis.io/docs/latest/operate/rs/release-notes/rs-8-0-releases/rs-8-0-20-96/](https://redis.io/docs/latest/operate/rs/release-notes/rs-8-0-releases/rs-8-0-20-96/)
- [https://redis.io/docs/latest/operate/rs/release-notes/rs-8-2-releases/rs-8-2-0-46/](https://redis.io/docs/latest/operate/rs/release-notes/rs-8-2-releases/rs-8-2-0-46/)
- [https://www.cve.org/CVERecord?id=CVE-2026-81934](https://www.cve.org/CVERecord?id=CVE-2026-81934)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-81934 · Markdown: https://rewindex.com/cve/CVE-2026-81934.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-81934 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:12:59.586Z