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TI-2022-13090 Aliases CVE-2022-31045GHSA-xwx5-5c9g-x68x

Ill-formed headers may lead to unexpected behavior in Istio

Priority MEDIUM 44CWE-125Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 1 fixed, 1 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat.

Summary

Istio is an open platform to connect, manage, and secure microservices. In affected versions ill-formed headers sent to Envoy in certain configurations can lead to unexpected memory access resulting in undefined behavior or crashing. Users are most likely at risk if they have an Istio ingress Gateway exposed to external traffic. This vulnerability has been resolved in versions 1.12.8, 1.13.5, and 1.14.1. Users are advised to upgrade. There are no known workarounds for this issue.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01192 68th percentileScored 2026-11-07
Fix Partial istio (istio): 1.12.18, 1.13.5, 1.14.1istio.io/istio (Go): 1.12.18, 1.13.5, 1.14.1Red Hat: 1 advisoryRed Hat: 1 fixed, 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
istioistiobefore 1.12.18; 1.13.0 to before 1.13.5; 1.14.0 to before 1.14.11.12.18, 1.13.5, 1.14.1Patch availableCNA
—istio.io/istio (Go)before 1.12.181.12.18Patch availableGHSA-xwx5-5c9g-x68x
—istio.io/istio (Go)1.13.0 to before 1.13.51.13.5Patch availableGHSA-xwx5-5c9g-x68x
—istio.io/istio (Go)1.14.0 to before 1.14.11.14.1Patch availableGHSA-xwx5-5c9g-x68x
  • istio Vendoristio Affected before 1.12.18; 1.13.0 to before 1.13.5; 1.14.0 to before 1.14.1 Fixed in 1.12.18, 1.13.5, 1.14.1 Patch available CNA
  • istio.io/istio (Go) Vendor— Affected before 1.12.18 Fixed in 1.12.18 Patch available GHSA-xwx5-5c9g-x68x
  • istio.io/istio (Go) Vendor— Affected 1.13.0 to before 1.13.5 Fixed in 1.13.5 Patch available GHSA-xwx5-5c9g-x68x
  • istio.io/istio (Go) Vendor— Affected 1.14.0 to before 1.14.1 Fixed in 1.14.1 Patch available GHSA-xwx5-5c9g-x68x

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*before 1.12.8; 1.13.0 to before 1.13.5Vulnerableistio
cpe:2.3:a:istio:istio:1.14.0:*:*:*:*:*:*:*1.14.0Vulnerableistio
  • cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:* Versions before 1.12.8; 1.13.0 to before 1.13.5 Vulnerable ·istio
  • cpe:2.3:a:istio:istio:1.14.0:*:*:*:*:*:*:* Versions 1.14.0 Vulnerable ·istio

Remediation

  • Fix · CNA istio (istio) Fixed in 1.12.18, 1.13.5, 1.14.1
  • Fix · GHSA-xwx5-5c9g-x68x istio.io/istio (Go) Fixed in 1.12.18 Advisory →
  • Fix · GHSA-xwx5-5c9g-x68x istio.io/istio (Go) Fixed in 1.13.5 Advisory →
  • Fix · GHSA-xwx5-5c9g-x68x istio.io/istio (Go) Fixed in 1.14.1 Advisory →

Red Hat 1 advisory

  • RHSA-2022:5004 Released 2022-06-13 · Red Hat rating Critical
    Red Hat OpenShift Service Mesh 2.1.3 security update
    • OpenShift Service Mesh 2.1 servicemesh-2.1.3-1.el8, servicemesh-cni-2.1.3-1.el8, servicemesh-operator-2.1.3-2.el8 +6

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
OpenShift Service Mesh 2.0AffectedNo fix yet
OpenShift Service Mesh 2.1Fixed RHSA-2022:5004
Not affected: 1 product
  • OpenShift Service Mesh 2.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-31045
  2. 2026-10-03 Alias added: GHSA-xwx5-5c9g-x68x

References

Advisory 2

Other 2

  • TI-2026-79288 Out-of-bounds write in Google Brotli decoder KEVCVSS 4.0CRITICAL 9.2
  • TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
  • TI-2022-06055 Authorization Policy bypass in Istio CVSS 3.1CRITICAL 9.8
  • TI-2021-11909 Istio before 1.8.6 and 1.9.x before 1.9.5 contains a remotely exploitable vulnerability… CVSS 3.1CRITICAL 9.8
  • TI-2026-24390 Istio JWKS resolver to prevent private key material from being exposed when JWKS fetch fails. CVSS 4.0HIGH 8.7
  • TI-2022-18654 Istio vulnerable to denial of service attack due to Golang Regex Library CVSS 3.1HIGH 7.5
See all 28 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences