CVE-2022-27782
HIGHEPSS 85th pctlDescription
libcurl would reuse a previously created connection even when a TLS or SSHrelated option had been changed that should have prohibited reuse.libcurl keeps previously used connections in a connection pool for subsequenttransfers to reuse if one of them matches the setup. However, several TLS andSSH settings were left out from the configuration match checks, making themmatch too easily.
How to fix
TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works
Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Exploit Intelligence
Elevated risk: more likely to be exploited than 85% of all known CVEs.
References
Related Vulnerabilities
Other CWE-840 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2021-22926 | High | 7.5 | 9.8% | - | Fix |
| CVE-2022-32207 | Critical | 9.8 | 6.9% | - | Fix |
| CVE-2022-32208 | Medium | 5.9 | 6.8% | - | Fix |
| CVE-2021-22922 | Medium | 6.5 | 4.3% | - | Fix |
| CVE-2021-22897 | Medium | 5.3 | 3.0% | - | Fix |
| CVE-2020-8228 | Medium | 5.3 | 1.9% | - | - |
Common questions
How do I fix CVE-2022-27782?
Published advisories record a fix for 6 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.
Is CVE-2022-27782 being actively exploited?
Not that we know of. CVE-2022-27782 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 2.8% is the estimated probability that it will be exploited in the next 30 days. That is higher than 85% of all scored CVEs.
How severe is CVE-2022-27782?
CVE-2022-27782 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
What does CVE-2022-27782 affect?
Published advisories record a fix for curl (Debian), curl (Ubuntu), libcurl3-gnutls (Ubuntu), libcurl3-nss (Ubuntu), and 2 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-27.