6.5

CVE-2022-1705: Improper sanitization of Transfer-Encoding headers in net/http

Modified
AliasesUBUNTU-CVE-2022-1705DEBIAN-CVE-2022-1705GO-2022-0525
Published 09-08-2022Last modified 06-03-2026

Vulnerability summary

CVE-2022-1705 is a medium (CVSS 6.5) vulnerability in go standard library net/http. EPSS estimates a 1.53% chance of exploitation in the next 30 days, higher than 74.7% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Routine

Not severe (CVSS 6.5, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
1.53%
0%100%
Low · +0.08 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 28 · Related 7
MGASA-2022-0262OPENSUSE-SU-2024:12189-1OPENSUSE-SU-2024:12190-1RHSA-2022:5068RHSA-2022:5775RHSA-2022:5799

Timeline

  1. 09-08-2022
    PublishedVulnerability first disclosed.
  2. 06-03-2026
    Last modifiedVulnerability information updated.

Description

Acceptance of some invalid Transfer-Encoding headers in the HTTP/1 client in net/http before Go 1.17.12 and Go 1.18.4 allows HTTP request smuggling if combined with an intermediate server that also improperly fails to reject the header as invalid.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

1.53%

Chance of exploitation in the next 30 days

Percentile

75%

Versus all other CVEs

30-day change

Increase +0.08 pp

From 1.45% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (go.dev)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu3 products
  • golang-1.13< 1.13.8-1ubuntu1~16.04.3+esm3 | < 1.13.8-1ubuntu1~18.04.4+esm1 | < 1.13.8-1ubuntu1.2 | < 1.13.8-1ubuntu2.22.04.2
  • golang-1.16< 1.16.2-0ubuntu1~18.04.2+esm1 | < 1.16.2-0ubuntu1~20.04.1
  • golang-1.18< 1.18.1-1ubuntu1~18.04.4 | < 1.18.1-1ubuntu1~20.04.2 | < 1.18.1-1ubuntu1.1
Alpine1 product
  • go≥ 1.18.0, < 1.18.4-r0
Debian1 product
  • golang-1.19< 1.19~rc1-1
Go1 product
  • stdlib≥ 1.18.0-0, < 1.18.4
Go standard library1 product
  • net/http< 1.17.12 | ≥ 1.18.0-0, < 1.18.4
Golang1 product
  • go< 1.17.12 | ≥ 1.18.0, < 1.18.4

6 vendors · 8 products

References

14 links
Show all 14 references