Red Hat Security Advisory: freerdp security update
🔗 CVE IDs covered (8)
📋 Description
CVE-2026-25952 — freerdp: FreeRDP: Denial of service due to use-after-free vulnerability
CVE-2026-26986 — freerdp: FreeRDP: Denial of Service via double free vulnerability during disconnect
CVE-2026-27951 — freerdp: FreeRDP: Denial of Service via endless blocking loop in Stream_EnsureCapacity
CVE-2026-29775 — freerdp: FreeRDP has a heap-buffer-overflow in bitmap_cache_put via OOB cacheId
CVE-2026-31883 — freerdp: FreeRDP: Denial of Service via crafted audio data in RDP
CVE-2026-31884 — freerdp: FreeRDP has a division-by-zero in ADPCM decoders when nBlockAlign is 0
CVE-2026-31885 — freerdp: FreeRDP has an out-of-bounds read in ADPCM decoders due to missing predictor/step_index bounds checks
CVE-2026-33985 — FreeRDP: FreeRDP: Information disclosure via heap memory out of bounds read
🎯 Affected products75
- Red Hat Enterprise Linux AppStream AUS (v.8.6)
- Red Hat Enterprise Linux AppStream E4S (v.8.6)
- Red Hat Enterprise Linux AppStream TUS (v.8.6)
- freerdp-2:2.2.0-7.el8_6.8.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.8.6)
- freerdp-2:2.2.0-7.el8_6.8.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v.8.6)
- freerdp-2:2.2.0-7.el8_6.8.s390x as a component of Red Hat Enterprise Linux AppStream E4S (v.8.6)
- freerdp-2:2.2.0-7.el8_6.8.src as a component of Red Hat Enterprise Linux AppStream AUS (v.8.6)
- freerdp-2:2.2.0-7.el8_6.8.src as a component of Red Hat Enterprise Linux AppStream E4S (v.8.6)
- freerdp-2:2.2.0-7.el8_6.8.src as a component of Red Hat Enterprise Linux AppStream TUS (v.8.6)
- freerdp-2:2.2.0-7.el8_6.8.x86_64 as a component of Red Hat Enterprise Linux AppStream AUS (v.8.6)
- freerdp-2:2.2.0-7.el8_6.8.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v.8.6)
- freerdp-2:2.2.0-7.el8_6.8.x86_64 as a component of Red Hat Enterprise Linux AppStream TUS (v.8.6)
- freerdp-debuginfo-2:2.2.0-7.el8_6.8.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.8.6)
- freerdp-debuginfo-2:2.2.0-7.el8_6.8.i686 as a component of Red Hat Enterprise Linux AppStream AUS (v.8.6)
- freerdp-debuginfo-2:2.2.0-7.el8_6.8.i686 as a component of Red Hat Enterprise Linux AppStream E4S (v.8.6)
- freerdp-debuginfo-2:2.2.0-7.el8_6.8.i686 as a component of Red Hat Enterprise Linux AppStream TUS (v.8.6)
- freerdp-debuginfo-2:2.2.0-7.el8_6.8.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v.8.6)
- freerdp-debuginfo-2:2.2.0-7.el8_6.8.s390x as a component of Red Hat Enterprise Linux AppStream E4S (v.8.6)
- freerdp-debuginfo-2:2.2.0-7.el8_6.8.x86_64 as a component of Red Hat Enterprise Linux AppStream AUS (v.8.6)
- freerdp-debuginfo-2:2.2.0-7.el8_6.8.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v.8.6)
- freerdp-debuginfo-2:2.2.0-7.el8_6.8.x86_64 as a component of Red Hat Enterprise Linux AppStream TUS (v.8.6)
- freerdp-debugsource-2:2.2.0-7.el8_6.8.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.8.6)
- freerdp-debugsource-2:2.2.0-7.el8_6.8.i686 as a component of Red Hat Enterprise Linux AppStream AUS (v.8.6)
- freerdp-debugsource-2:2.2.0-7.el8_6.8.i686 as a component of Red Hat Enterprise Linux AppStream E4S (v.8.6)
- freerdp-debugsource-2:2.2.0-7.el8_6.8.i686 as a component of Red Hat Enterprise Linux AppStream TUS (v.8.6)
- freerdp-debugsource-2:2.2.0-7.el8_6.8.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v.8.6)
- freerdp-debugsource-2:2.2.0-7.el8_6.8.s390x as a component of Red Hat Enterprise Linux AppStream E4S (v.8.6)
- freerdp-debugsource-2:2.2.0-7.el8_6.8.x86_64 as a component of Red Hat Enterprise Linux AppStream AUS (v.8.6)
- freerdp-debugsource-2:2.2.0-7.el8_6.8.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v.8.6)
- freerdp-debugsource-2:2.2.0-7.el8_6.8.x86_64 as a component of Red Hat Enterprise Linux AppStream TUS (v.8.6)
- +45 more not shown
✅ Remediation
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
🔗 References (11)
- selfhttps://access.redhat.com/errata/RHSA-2026:16814
- externalhttps://access.redhat.com/security/updates/classification/#moderate
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2442768
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2442782
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2442783
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2447379
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2447383
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2447385
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2447386
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2453217
- selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_16814.json