Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2022-27782

CVE-2022-27782HIGH

n/a https://github.com/curl/curl — libcurl would reuse a previously created connection even when a TLS or SSHrelated option had been changed that should have prohibited reu…

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  N  H  N    7.5   .0309   87.5     —

AFFECTED
  Product                       Versions           Fixed
  https://github.com/curl/curl  Fixed in 7.83.1 –  —

TIMELINE
  Mar 23  Reserved by hackerone
  Jun 1   Published (CNA: hackerone)
  Oct 14  EXPLOIT PUBLISHED — CVE-2022-27782 (https://github.com/curl/curl). Public exploit reference added.

CWE-295, CWE-840 · CNA: hackerone · CVSS v3.1 · 8 references · NVD status: Modified

Description

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
March 23, 2022	Reserved	Reserved by hackerone
June 1, 2022	Published	Published (CNA: hackerone)
October 14, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2022-27782 (https://github.com/curl/curl). Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
n/a	https://github.com/curl/curl	—	Fixed in 7.83.1	—

Weaknesses

CWE-295 · CWE-840

References (8)

http://www.openwall.com/lists/oss-security/2023/03/20/6 [Mailing List]
https://cert-portal.siemens.com/productcert/html/ssa-146325.html
https://cert-portal.siemens.com/productcert/html/ssa-398330.html
https://hackerone.com/reports/1555796 [Exploit, Third Party Advisory]
https://lists.debian.org/debian-lts-announce/2022/08/msg00017.html [Mailing List, Third Party Advisory]
https://security.gentoo.org/glsa/202212-01 [Third Party Advisory]
https://security.netapp.com/advisory/ntap-20220609-0009/ [Third Party Advisory]
https://www.debian.org/security/2022/dsa-5197 [Mailing List, Third Party Advisory]

Authoritative record: CVE-2022-27782 at cve.org

Weaknesses: CWE-295 · CWE-840

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2022-27782 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.