7.5

CVE-2026-81934

Exploit

Redis TLS pending-data list use-after-free

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.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerRedis
≫
Produkt Redis
Default Statusunknown
Version 8.2.9
Status unaffected
Version 8.4.6
Status unaffected
Version 8.6.6
Status unaffected
Version 8.8.2
Status unaffected
Version 8.10.1
Status unaffected
Version 7.4.11
Status unaffected
Version 6.2.24
Status unaffected
Version 7.2.16
Status unaffected
Version 0
Version < 8.8.2
Status affected
Version 0
Version < 8.2.9
Status affected
Version 0
Version < 8.4.6
Status affected
Version 0
Version < 8.6.6
Status affected
Version 0
Version < 8.10.1
Status affected
Version 0
Version < 7.4.11
Status affected
Version 0
Version < 6.2.24
Status affected
Version 0
Version < 7.2.16
Status affected
HerstellerRedis
≫
Produkt Redis Software (Enterprise)
Default Statusunknown
Version 8.2.0-46
Status unaffected
Version 8.0.20-96
Status unaffected
Version 7.22.2-179
Status unaffected
Version 7.8.6-303
Status unaffected
Version 0
Version < 8.2.0-46
Status affected
Version 0
Version < 8.0.20-96
Status affected
Version 0
Version < 7.22.2-179
Status affected
Version 0
Version < 7.8.6-303
Status affected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.59% 0.453
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
cisa-cg 7.5 0 0
CVSS:4.0/AV:A/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
cisa-cg 7.1 1.2 5.9
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-416 Use After Free

The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

https://github.com/redis/redis/commit/6d088c335d5c3ec49a6c28486140b498e70b7834
https://github.com/v12-security/pocs/tree/main/redis/server_ssl
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/8.6/00-RELEASENOTES
https://raw.githubusercontent.com/redis/redis/8.8/00-RELEASENOTES
https://raw.githubusercontent.com/redis/redis/8.10/00-RELEASENOTES
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/7.4.11
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/8.4.6
https://github.com/redis/redis/releases/tag/8.6.6
https://github.com/redis/redis/releases/tag/8.8.2
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/7.2/00-RELEASENOTES
https://raw.githubusercontent.com/redis/redis/7.4/00-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-7-8-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-8-2-releases/rs-8-2-0-46/
https://www.cve.org/CVERecord?id=CVE-2026-81934