CVE-2022-27781 @ Janus

"CVE-2022-27781"
"curl-7.64.0-4+deb10u9"
"libcurl3-gnutls-7.64.0-4+deb10u9"
"libcurl4-7.64.0-4+deb10u9"
"Am I vulnerable?"

Status

new

Priority

0.62

Match score

4.0

Risk

DoS Remote

CVSS

7.5 HIGH

Reason

cpe: curl; pkgs: curl; version: in-range: curl-7.64.0-4+deb10u9; risk:dos

Created

2026-10-15T10:20:28Z

Updated

2026-10-20T10:18:38Z

Package interrogation (copy)

Run on the host — click to copy a command. Debian/apt

Package	Commands
curl-7.64.0-4+deb10u9
libcurl3-gnutls-7.64.0-4+deb10u9
libcurl4-7.64.0-4+deb10u9

Inventory lookup

Search package inventory across systems, then return here. Create a ticket on systems the matcher missed.

Suggestions: curl

System	Matches	Ticket for CVE-2022-27781
Archive	curl 7.64.0-4+deb10u9; libcurl4 7.64.0-4+deb10u9	new open
Janus	curl 7.64.0-4+deb10u9; libcurl3-gnutls 7.64.0-4+deb10u9; libcurl4 7.64.0-4+deb10u9	new open
Library	curl 7.52.1-5+deb9u16; libcurl3 7.52.1-5+deb9u16; libcurl3-gnutls 7.52.1-5+deb9u16; php7.0-curl 7.0.33-0+deb9u12	new open
Saiph	curl 7.64.0-4+deb10u9; libcurl3-gnutls 7.64.0-4+deb10u9; libcurl4 7.64.0-4+deb10u9	new open
morris	alt-curl 7.64.0; alt-curlssl 7.62.0; alt-curlssl11 8.22.0; alt-libcurl 7.64.0; alt-libcurlssl 7.62.0; alt-libcurlssl11 8.22.0; cpanel-perl-536-net-curl 0.50; cpanel-perl-536-net-curl-promiser 0.18 (+13 more)	new open
mufasa	alt-curl 7.64.0; alt-curlssl11 8.22.0; alt-libcurl 7.64.0; alt-libcurlssl 7.62.0; alt-libcurlssl11 8.22.0; cpanel-perl-536-net-curl 0.50; cpanel-perl-536-net-curl-promiser 0.18; curl 7.29.0 (+5 more)	new open
Bullseye	libcurl3-gnutls 7.74.0-1.3+deb11u16; libcurl4 7.74.0-1.3+deb11u16; python3-pycurl 7.43.0.6-5	none
Helios	curl 7.74.0-1.3+deb11u16; libcurl3-gnutls 7.74.0-1.3+deb11u16; libcurl4 7.74.0-1.3+deb11u16	none
Matrix	curl 7.88.1-10+deb12u15; libcurl3-gnutls 7.88.1-10+deb12u15; libcurl4 7.88.1-10+deb12u15; python3-pycurl 7.45.2-3	none
Silk	alt-curlssl 8.22.0-2; alt-libcurlssl 8.22.0-2; curl 7.88.1-10+deb12u15; libcurl3-gnutls 7.88.1-10+deb12u15; libcurl4 7.88.1-10+deb12u15; php8.2-curl 8.2.34-1~deb12u1; python3-pycurl 7.45.2-3	none

Same product CVEs in your queue

Other open tickets that look like the same product. Closed tickets are omitted unless they are already pegged to this CVE.

CVE	CVSS	Systems	Status	Matched	Already related
CVE-2022-32221	9.8	Archive, Janus, Library, Saiph, morris …	new	curl	—
CVE-2023-27534	8.8	Archive, Janus, Library, Saiph, morris …	new	curl	—
CVE-2023-27533	8.8	Archive, Janus, Library, Saiph, morris …	new	curl	—
CVE-2024-2398	8.6	Archive, Janus, Library, Saiph	new	curl	—
CVE-2021-22946	7.5	Archive, Janus, Library, Saiph, morris …	new	curl	—
CVE-2022-27782	7.5	Archive, Janus, Library, Saiph, morris …	new	curl	—
CVE-2021-22926	7.5	Archive, Helios, Janus, Library, Saiph	new	curl	—
CVE-2025-0725	7.3	Archive, Helios, Janus, Library, Matrix …	new	curl	—

Related CVE (same fix)

Point this ticket’s CVE at a higher-priority / same-fix primary so you only triage one.

Host OS / kernel

Debian GNU/Linux 10 (buster) (10) · debian

Arch

x86_64

kernel_release

uname -r → 4.19.0-27-amd64

kernel_version

uname -v → #1 SMP Debian 4.19.316-1 (2024-06-25)

For Linux kernel CVEs, kernel_version (Debian packaging / build string) often decides fixed vs not; kernel_release is used for upstream NVD range compares.

Same CVE on other hosts

Open the ticket for this CVE on another system.

System	Status	Priority	Updated
morris	new	7.0	2026-10-20T10:18:38Z	Open
mufasa	new	7.0	2026-10-20T10:18:38Z	Open
Library	new	1.75	2026-10-20T10:18:38Z	Open
Archive	new	0.62	2026-10-20T10:18:38Z	Open
Saiph	new	0.62	2026-10-20T10:18:38Z	Open

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.

Update status

Add note only

References

NVD: CVE-2022-27781