CVE-2026-14683: HdrHistogram AbstractHistogram.java memory allocation
A vulnerability was detected in HdrHistogram up to 2.2.2. Affected by this issue is the function org.HdrHistogram.AbstractHistogram.decodeFromCompressedByteBuffer of the file src/main/java/org/HdrHistogram/AbstractHistogram.java. The manipulation of the argument lengthOfCompressedContents results in uncontrolled memory allocation. The attack needs to be approached locally. The exploit is now public and may be used. It is still unclear if this vulnerability genuinely exists. This issue is disputed due to the potential lack of crossing of security boundaries and the pre-requisites for a successful attack.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-14683?
The severity of CVE-2026-14683 is rated low with a score of 3.3.
How do I fix CVE-2026-14683?
To fix CVE-2026-14683, update to HdrHistogram version 2.2.3 or later.
What components are affected by CVE-2026-14683?
CVE-2026-14683 specifically affects the org.HdrHistogram.AbstractHistogram.decodeFromCompressedByteBuffer function in the HdrHistogram library.
What impact does CVE-2026-14683 have?
CVE-2026-14683 may lead to possible memory allocation issues due to manipulation of the lengthOfCompressedContents argument.
Is CVE-2026-14683 exploitable?
CVE-2026-14683 has a low attack vector and requires local access, making it less likely to be exploited.