CVE-2025-22865: ParsePKCS1PrivateKey panic with partial keys in crypto/x509
Vulnerability summary
CVE-2025-22865 is a high (CVSS 7.5) vulnerability in go standard library crypto/x509. EPSS estimates a 0.61% chance of exploitation in the next 30 days, higher than 49.1% of scored vulnerabilities.
Severe, CVSS 7.5 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 1% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5 · Related 5Timeline
- 28-01-2025PublishedVulnerability first disclosed.
- 30-01-2025Last modifiedVulnerability information updated.
Description
Using ParsePKCS1PrivateKey to parse a RSA key that is missing the CRT values would panic when verifying that the key is well formed.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.61%
Chance of exploitation in the next 30 days
Percentile
49%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.61% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu14 products
- golang-1.10All versions (No fix recorded)
- golang-1.13All versions (No fix recorded)
- golang-1.14All versions (No fix recorded)
- golang-1.16All versions (No fix recorded)
- golang-1.17All versions (No fix recorded)
Debian1 product
- golang-1.24< 1.24~rc2-1
Go1 product
- stdlib≥ 1.24.0-0, < 1.24.0-rc.2
Go standard library1 product
- crypto/x509≥ 1.24.0-0, < 1.24.0-rc.2
4 vendors · 17 products
References
7 links- go.dev/issue/71216REPORT
