CVE-2022-27781

high

Published 2022-06-01 · Modified 2026-05-27

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CVSS v3

7.5

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

CVSS v4 NEW

—

not yet in upstream

VIR risk

7.5

Description

libcurl provides the `CURLOPT_CERTINFO` option to allow applications torequest details to be returned about a server's certificate chain.Due to an erroneous function, a malicious server could make libcurl built withNSS get stuck in a never-ending busy-loop when trying to retrieve thatinformation.

Predictions

Exploit likelihood

83%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

OS	Version	Status	Fixed in
arch		fixed	`7.83.1-1`
debian	bookworm	fixed	`7.83.1-1`
debian	bullseye	fixed	`7.74.0-1.3+deb11u2`
debian	forky	fixed	`7.83.1-1`
debian	sid	fixed	`7.83.1-1`
debian	trixie	fixed	`7.83.1-1`
sles		affected
debian	10.0	affected
debian	11.0	affected

Application impact

Vendor	Product	Versions	Fixed
haxx	curl	`{"endExcluding":"7.83.1"}`	`7.83.1`
netapp	clustered_data_ontap	`-`
netapp	solidfire\,_enterprise_sds_\&_hci_storage_node	`-`
netapp	solidfire_\&_hci_management_node	`-`
splunk	universal_forwarder	`{"startIncluding":"8.2.0","endExcluding":"8.2.12"}`	`8.2.12`
splunk	universal_forwarder	`9.1.0`

References

CWEs

CWE-400 CWE-835

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.