CVE-2022-2906

Memory leaks in code handling Diffie-Hellman key exchange via TKEY RRs (OpenSSL 3.0.0+ only)

State
Published
Severity
7.5 High
Published
Sep 21, 2022
Updated
May 28, 2025
Reserved
Aug 19, 2022

Read the record on cve.org

Description

An attacker can leverage this flaw to gradually erode available memory to the point where named crashes for lack of resources. Upon restart the attacker would have to begin again, but nevertheless there is the potential to deny service.

Scores

CVSSScoreVectorSource
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hisc

Weaknesses

  • CWE-401 Missing Release of Memory after Effective Lifetime

Affected Products

ProductVersions
BIND9ISC
  • Open Source Branch 9.18 9.18.0 through versions before 9.18.7Affected
  • Development Branch 9.19 9.19.0 through versions before 9.19.5Affected

References

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