CVE-2022-35256: debian debian_linux
Vulnerability summary
CVE-2022-35256 is a medium (CVSS 6.5) vulnerability in debian debian_linux. EPSS estimates a 2.76% chance of exploitation in the next 30 days, higher than 86.3% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 6.5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 23 · Related 14Timeline
- 05-12-2022PublishedVulnerability first disclosed.
- 30-04-2025Last modifiedVulnerability information updated.
Description
The llhttp parser in the http module in Node v18.7.0 does not correctly handle header fields that are not terminated with CLRF. This may result in HTTP Request Smuggling.
CVSS metrics
7 scores · 7 sources · 1 version- OSV · AlpineEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- OSV · WolfiEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- OSV · ChainguardEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
EPSS trend
Probability
2.76%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
Increase +0.10 pp
From 2.66% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundExploit Reference (hackerone.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Alpine2 products
- nodejs< 14.20.1-r0 | < 16.17.1-r0
- nodejs-current< 18.9.1-r0
Debian2 products
- nodejs< 18.10.0+dfsg-1
- debian_linuxEOL11.0
Nodejs2 products
- node≥ 4.0, < 4.* | ≥ 5.0, < 5.* | ≥ 6.0, < 6.* | ≥ 7.0, < 7.* | ≥ 8.0, < 8.* | ≥ 9.0, < 9.* | ≥ 10.0, < 10.* | ≥ 11.0, < 11.* | ≥ 12.0, < 12.* | ≥ 13.0, < 13.* | ≥ 14.0, < 14.20.1 | ≥ 15.0, < 15.* | ≥ 16.0, < 16.17.1 | ≥ 17.0, < 17.* | ≥ 18.0, < 18.9.1
- node.js≥ 14.0.0, ≤ 14.14.0 | ≥ 14.15.0, < 14.20.1 | ≥ 16.0.0, ≤ 16.12.0 | ≥ 16.13.0, < 16.17.1 | ≥ 18.0.0, < 18.9.1
Chainguard1 product
- py3-llhttp< 9.3.0.0-r0
Llhttp1 product
- llhttp< 6.0.10
Siemens1 product
- sinec_ins< 1.0 | 1.0 | 1.0:sp1 | 1.0:sp2
Ubuntu1 product
- nodejs< 12.22.9~dfsg-1ubuntu3.2
Wolfi1 product
- py3-llhttp< 9.3.0.0-r0
8 vendors · 11 products