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No exploitation reportedFix available

CVE-2019-8922

No exploitation reported by the sources we read.

  • Published2021-11-29
  • WeaknessCWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A heap-based buffer overflow was discovered in bluetoothd in BlueZ through 5.48. There isn't any check on whether there is enough space in the destination buffer. The function simply appends all data passed to it. The values of all attributes that are requested are appended to the output buffer. There are no size checks whatsoever, resulting in a simple heap overflow if one can craft a request where the response is large enough to overflow the preallocated buffer. This issue exists in service_attr_req gets called by process_request (in sdpd-request.c), which also allocates the response buffer.

Timeline

dates in UTC
  1. 2021-11-2908:15CVE publishedNVD

Versions per branch

NVD
Bluezversion to verify
BranchAffectedFixed in
5.48≤ 5.48no fix published
Debian debian linux
BranchAffectedFixed in
10.0= 10.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • bluezUbuntu:Pro:16.04:LTSall versions · fixed in 5.37-0ubuntu5.3+esm5
  • bluezUbuntu:18.04:LTSall versions · fixed in 5.48-0ubuntu3.7
  • bluezSUSE:OpenStack Cloud Crowbar 9all versions · fixed in 5.13-5.26.1
  • bluezSUSE:OpenStack Cloud 9all versions · fixed in 5.13-5.26.1
  • bluezSUSE:Manager Server 4.1all versions · fixed in 5.48-150200.13.8.1
  • bluezSUSE:Manager Server 4.1all versions · fixed in 5.48-150200.13.17.1
  • bluezSUSE:Manager Retail Branch Server 4.1all versions · fixed in 5.48-150200.13.8.1
  • bluezSUSE:Manager Retail Branch Server 4.1all versions · fixed in 5.48-150200.13.17.1

47 more package ranges on OSV.dev

Vendor advisories

  • CVE-2019-8922 Red Hat Product Security14 known affected

    bluez: heap-based buffer overflow via crafted request

    bluez as a component of Red Hat Enterprise Linux 6 · bluez-alsa as a component of Red Hat Enterprise Linux 6 · bluez-compat as a component of Red Hat Enterprise Linux 6 · +11 more

Full record on NVD

Fix

  1. No fix planned, says the vendor Red Hat Product Security CVE-2019-8922 · 8 productsOut of support scope
  2. No fix planned, says the vendor Red Hat Product Security CVE-2019-8922 · 6 productsWill not fix

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2021-11-29
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-r763-g6p5-r323

Frequently asked questions

What is CVE-2019-8922?

A heap-based buffer overflow was discovered in bluetoothd in BlueZ through 5.48. There isn't any check on whether there is enough space in the destination buffer. The function simply appends all data passed to it. The values of all attributes that are requested are appended to the output buffer. There are no size checks whatsoever, resulting in a simple heap overflow if one can craft a request where the response is large enough to overflow the preallocated buffer. This issue exists in service_attr_req gets called by process_request (in sdpd-request.c), which also allocates the response buffer.

Is CVE-2019-8922 actively exploited?

Active exploitation of CVE-2019-8922 has not been confirmed. Its EPSS score was 1.5% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-8922?

CVE-2019-8922 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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