Description
In wpa_supplicant and hostapd 2.9, forging attacks may occur because AlgorithmIdentifier parameters are mishandled in tls/pkcs1.c and tls/x509v3.c.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | wpa | 2:2.10-1 | — |
| Debian 13 | wpa | 2:2.10-1 | — |
| Debian 12 | wpa | 2:2.10-1 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP2 | wpa_supplicant | 2.9-4.29.1 | SUSE-SU-2021:1166-1 |
| SLES 12 SP5 | wpa_supplicant | 2.9-23.12.1 | SUSE-SU-2021:1125-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP5 | wpa_supplicant | 2.9-23.12.1 | SUSE-SU-2021:1125-1 |
| SLE Micro 5.0 | wpa_supplicant | 2.9-4.29.1 | SUSE-SU-2021:1166-1 |
| SUSE Package Hub 15 SP2 | hostapd | 2.9-bp152.2.3.1 | openSUSE-SU-2021:0545-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | hostapd | 2.9-6.2 | openSUSE-SU-2024:10846-1 |
| openSUSE Tumbleweed | wpa_supplicant | 2.9-13.4 | openSUSE-SU-2024:11515-1 |
| openSUSE Leap 15.2 | hostapd | 2.9-lp152.2.3.1 | openSUSE-SU-2021:0519-1 |
| openSUSE Leap 15.2 | wpa_supplicant | 2.9-lp152.8.12.1 | openSUSE-SU-2021:0563-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | hostapd | 2.9-r3 | — |
| Alpine v3.24 | wpa_supplicant | 2.9-r13 | — |
| Alpine v3.23 | hostapd | 2.9-r3 | — |
| Alpine v3.23 | wpa_supplicant | 2.9-r13 | — |
| Alpine v3.22 | hostapd | 2.9-r3 | — |
| Alpine v3.22 | wpa_supplicant | 2.9-r13 | — |
| Alpine v3.21 | hostapd | 2.9-r3 | — |
| Alpine v3.21 | wpa_supplicant | 2.9-r13 | — |
| Alpine v3.20 | hostapd | 2.9-r3 | — |
| Alpine v3.20 | wpa_supplicant | 2.9-r13 | — |
Show 9 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | hostapd | 2.9-r3 | — |
| Alpine v3.19 | wpa_supplicant | 2.9-r13 | — |
| Alpine v3.18 | hostapd | 2.9-r3 | — |
| Alpine v3.18 | wpa_supplicant | 2.9-r13 | — |
| Alpine v3.17 | hostapd | 2.9-r3 | — |
| Alpine v3.17 | wpa_supplicant | 2.9-r13 | — |
| Alpine v3.16 | hostapd | 2.9-r3 | — |
| Alpine v3.16 | wpa_supplicant | 2.9-r13 | — |
| Alpine v3.15 | hostapd | 2.9-r3 | — |
| Alpine v3.15 | wpa_supplicant | 2.9-r13 | — |
| Alpine v3.14 | hostapd | 2.9-r3 | — |
| Alpine v3.14 | wpa_supplicant | 2.9-r13 | — |
| Alpine v3.13 | hostapd | 2.9-r3 | — |
| Alpine v3.13 | wpa_supplicant | 2.9-r11 | — |
| Alpine v3.12 | hostapd | 2.9-r3 | — |
| Alpine v3.12 | wpa_supplicant | 2.9-r8 | — |
| Alpine v3.11 | hostapd | 2.9-r3 | — |
| Alpine v3.11 | wpa_supplicant | 2.9-r8 | — |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | wpa_supplicant | 2.9-4 | — |
Advisories 8
- openSUSE-SU-2024:10846-1 hostapd-2.9-6.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11515-1 wpa_supplicant-2.9-13.4 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0563-1 Security update for wpa_supplicant SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:1125-1 Security update for wpa_supplicant SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0545-1 Security update for hostapd SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0519-1 Security update for hostapd SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:1166-1 Security update for wpa_supplicant SUSE / openSUSE Security Updates · May 2, 2025
- WID-SEC-2023-2523 wpa_supplicant: Schwachstelle ermöglicht Manipulation von Dateien BSI CERT-Bund (WID) · Jun 26, 2024