How severe is CVE-2022-44797?

CVE-2022-44797 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-44797 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-44797?

CVE-2022-44797 affects Btcd Project Btcd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-44797?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-44797 published?

CVE-2022-44797 was published on 2022-11-07 and last updated on 2026-06-17.

CVE-2022-44797

CVE-2022-44797 is a critical-severity vulnerability in Btcd Project Btcd with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Btcd Project Btcd
Published: 2022-11-07
Last modified: 2026-06-17

Description

btcd before 0.23.2, as used in Lightning Labs lnd before 0.15.2-beta and other Bitcoin-related products, mishandles witness size checking.

Frequently asked questions

What is CVE-2022-44797?: btcd before 0.23.2, as used in Lightning Labs lnd before 0.15.2-beta and other Bitcoin-related products, mishandles witness size checking.
How severe is CVE-2022-44797?: CVE-2022-44797 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-44797 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-44797?: CVE-2022-44797 affects Btcd Project Btcd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-44797?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-44797 published?: CVE-2022-44797 was published on 2022-11-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:btcd_project:btcd:*:*:*:*:*:*:*:*

More vulnerabilities in Btcd Project Btcd

CVE-2022-39389 — High (CVSS 8.2): Lightning Network Daemon (lnd) is an implementation of a lightning bitcoin overlay network node. All lnd nodes before…
CVE-2024-34478 — High (CVSS 7.5): btcd before 0.24.0 does not correctly implement the consensus rules outlined in BIP 68 and BIP 112, making it…
CVE-2018-17145 — High (CVSS 7.5): Bitcoin Core 0.16.x before 0.16.2 and Bitcoin Knots 0.16.x before 0.16.2 allow remote denial of service via a flood of…
CVE-2024-38365 — High (CVSS 7.4): btcd is an alternative full node bitcoin implementation written in Go (golang). The btcd Bitcoin client (versions 0.10…

All CVEs affecting Btcd Project Btcd →