CVE-2022-24921

regexp.Compile in Go before 1.16.15 and 1.17.x before 1.17.8 allows stack exhaustion via a deeply nested expression.

Published: 2022-03-05 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2022-24921 is rated Moderate Risk (63.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.23%). EPSS rose +3.21% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2022-24921

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.02% 3.23% +3.21%
2 2025-11-21 3.23% 0.02% -3.21%
3 2025-11-18 — 3.23% —

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-24921

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2022-24921

OS Trackers for CVE-2022-24921

vendor priority summary link
alpine high CVE-2022-24921: 1 source package rows (go); 51 state rows across 7 repos (3.17-community, 3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community); fixed 7, open 44. https://security.alpinelinux.org/vuln/CVE-2022-24921
debian not yet assigned CVE-2022-24921 not yet assigned priority: Debian including 1 source packages (golang-1.15), 1 status rows across 1 suites (bullseye): resolved 1. https://security-tracker.debian.org/tracker/CVE-2022-24921
gentoo high CVE-2022-24921: 1 GLSA(s) (202208-02), 1 atom(s) (dev-lang/go); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2022-24921
redhat medium — https://access.redhat.com/security/cve/CVE-2022-24921
suse high CVE-2022-24921 severity important: SUSE including 32 source package names (1.0.1-build4.16.1:go1.16-1.16.15-150000.1.46.1, 1.16-13.3:go1.16-1.16.15-150000.1.46.1, …), 122 product×package rows across 22 product lines (Container bci/golang, Container trento/trento-runner, … (22 product lines)): Fixed 122. https://www.suse.com/security/cve/CVE-2022-24921/
ubuntu low CVE-2022-24921 low priority: Ubuntu including 9 source packages (golang-1.10, golang-1.13, …), 63 status rows across 14 suites (bionic, focal, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): needs-triage 22, DNE 21, ignored 19, released 1. https://ubuntu.com/security/CVE-2022-24921

Affected software / configurations for CVE-2022-24921

Vendor Product Version Raw CPE
golang go < 1.16.15 cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*
golang go >= 1.17, < 1.17.8 cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*
netapp astra_trident — cpe:2.3:a:netapp:astra_trident:-:*:*:*:*:*:*:*
debian debian_linux 9.0 cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

References for CVE-2022-24921

cvelogic Threat Intelligence