CVE-2022-27782

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.

CVSS 3.1

7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS

3.1% chance of exploitation in the next 30 days; higher than 87% of CVEs (scores of 2026-10-25)

CWEs

CWE-295, CWE-840

Published

2022-06-02

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• debian:debian_linux
• haxx:curl
• splunk:universal_forwarder

References

• http://www.openwall.com/lists/oss-security/2023/03/20/6
• https://hackerone.com/reports/1555796
• https://lists.debian.org/debian-lts-announce/2022/08/msg00017.html
• https://security.gentoo.org/glsa/202212-01
• https://security.netapp.com/advisory/ntap-20220609-0009/

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