CVE-2026-7532

iPAddress name constraints not enforced when WOLFSSL_IP_ALT_NAME is undefined

5.7 MediumFix available

iPAddress name constraints bypass when WOLFSSL_IP_ALT_NAME is not defined. IP address name constraints are not enforced in that configuration, allowing a certificate to bypass an issuing CA's IP address constraints.

Attack profile

How easy it is to exploit

Attack vector: Adjacent network
Complexity: Low
Privileges needed: High
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: High
Availability: None

Exploit likelihood

0.29%Up 0.2 points since Jun 26, 2026

What each source reports

CVE List Score used 5.7

iPAddress name constraints not enforced when WOLFSSL_IP_ALT_NAME is undefined

Record: CVE-2026-7532
CVSS 4.0: 5.7 MediumCVSS:4.0/AV:A/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Weakness: CWE-295
Updated: 2026-11-02

EUVDEUVD-2026-39580 5.7

Record: EUVD-2026-39580
CVSS 4.0: 5.7 MediumCVSS:4.0/AV:A/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-h4jr-6mf9-63fq 5.7

iPAddress name constraints bypass when WOLFSSL_IP_ALT_NAME is not defined. IP address name...

Record: GHSA-h4jr-6mf9-63fq
CVSS 4.0: 5.7 MediumCVSS:4.0/AV:A/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness: CWE-295
Updated: 2026-11-02

NVD 5.7

Record: CVE-2026-7532
CVSS 4.0: 5.7 MediumCVSS:4.0/AV:A/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness: CWE-295
Updated: 2026-11-02

OSVALPINE-CVE-2026-7532 7.5

Record: ALPINE-CVE-2026-7532
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated: 2026-11-03

OSV 5.7

iPAddress name constraints not enforced when WOLFSSL_IP_ALT_NAME is undefined

Record: CVE-2026-7532
CVSS 4.0: 5.7 MediumCVSS:4.0/AV:A/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Weakness: CWE-295
Updated: 2026-11-02

OSVDEBIAN-CVE-2026-7532 7.5

Record: DEBIAN-CVE-2026-7532
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated: 2026-11-02

OSVJLSEC-2026-758 5.7

iPAddress name constraints bypass when `WOLFSSL_IP_ALT_NAME` is not defined

iPAddress name constraints bypass when WOLFSSL_IP_ALT_NAME is not defined. IP address name constraints are not enforced in that configuration, allowing a certificate to bypass an issuing CA's IP address constraints.

Record: JLSEC-2026-758
CVSS 4.0: 5.7 MediumCVSS:4.0/AV:A/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated: 2026-11-02

OSVUBUNTU-CVE-2026-7532 5.7

Record: UBUNTU-CVE-2026-7532
CVSS 4.0: 5.7 MediumCVSS:4.0/AV:A/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated: 2026-11-02

Affected products

wolfssl

Affected packages

Affected packages
Package	Affected	Fixed
`wolfssl` Alpine:v3.24	before 5.9.2-r0	5.9.2-r0
`wolfssl` Debian:12	All versions, plus listed versions 5.5.4-25.5.4-2+deb12u15.5.4-2+deb12u25.5.4-2+deb12u35.5.4-2.1 Show 22 moreShow less 5.6.4-15.6.4-25.6.6-15.6.6-1.15.6.6-1.25.6.6-1.35.6.6-1.3~exp15.7.0-0.15.7.0-0.25.7.0-0.35.7.2-0.15.7.2-0.25.7.2-0.35.7.2-0.45.8.2-15.8.2-1.15.8.2-1.25.8.4-15.9.0-0.15.9.0-0.25.9.1-0.15.9.2-1	None known
`wolfssl` Debian:13	All versions, plus listed versions 5.7.2-0.15.7.2-0.1+deb13u15.7.2-0.1+deb13u25.7.2-0.25.7.2-0.3 Show 9 moreShow less 5.7.2-0.45.8.2-15.8.2-1.15.8.2-1.25.8.4-15.9.0-0.15.9.0-0.25.9.1-0.15.9.2-1	None known
`wolfSSL_jll` Julia	before 5.9.2+0	5.9.2+0
`wolfssl` Ubuntu:16.04:LTS	All versions, plus listed versions 3.4.8+dfsg-1	None known
`wolfssl` Ubuntu:18.04:LTS	All versions, plus listed versions 3.10.2+dfsg-23.12.0+dfsg-13.12.2+dfsg-13.13.0+dfsg-1	None known
`wolfssl` Ubuntu:20.04:LTS	All versions, plus listed versions 4.1.0+dfsg-24.2.0+dfsg-14.2.0+dfsg-24.2.0+dfsg-34.3.0+dfsg-2	None known
`wolfssl` Ubuntu:22.04:LTS	All versions, plus listed versions 4.6.0-35.0.0-15.1.1-15.2.0-15.2.0-2	None known
`wolfssl` Ubuntu:24.04:LTS	All versions, plus listed versions 5.5.4-25.5.4-2.15.6.4-25.6.6-1.25.6.6-1.35.6.6-1.3build1	None known
`wolfssl` Ubuntu:25.10	All versions, plus listed versions 5.7.2-0.1	None known
`wolfssl` Ubuntu:26.10	All versions, plus listed versions 5.9.1-0.15.9.2-1	None known
`wolfssl` Ubuntu:26.04:LTS	All versions, plus listed versions 5.7.2-0.15.8.2-1.25.8.4-15.9.1-0.1	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	affected, aliases, references	OSV
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-7532 is a medium vulnerability (CVSS 5.7) in Wolfssl, published June 25, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 21st percentile. Fixed in wolfssl 5.9.2-r0.

References

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