hostapd: integer underflow in AP mode WMM Action frame processing
Published Jun 15, 2015
4.3
MEDIUMCVSS 2.0
EPSS 4.17%
Description
Integer underflow in the WMM Action frame parser in hostapd 0.5.5 through 2.4 and wpa_supplicant 0.7.0 through 2.4, when used for AP mode MLME/SME functionality, allows remote attackers to cause a denial of service (crash) via a crafted frame, which triggers an out-of-bounds read.
Affected products
No data.
Configuration 1
- 0.7.0
- 0.7.1
- 0.7.2
- 0.7.3
- 1.0
- 1.1
- 2.0
- 2.1
- 2.2
- 2.3
- 2.4
Configuration 2
- 6.0
- 6.0
- 6.0
- 6.0
Configuration 3
- 0.7.0
- 0.7.1
- 0.7.2
- 0.7.3
- 1.0
- 1.1
- 2.0
- 2.1
- 2.2
- 2.3
- 2.4
No data.
Red Hat Enterprise Linux 6
wpa_supplicant-1:0.7.3-6.el6
Fixed · RHSA-2015:1439
Red Hat Enterprise Linux 7
wpa_supplicant-1:2.0-17.ael7b_1
Fixed · RHSA-2015:1090
Red Hat Enterprise Linux 5
wpa_supplicant
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | wpa_supplicant-1:0.7.3-6.el6 | Fixed | RHSA-2015:1439 |
| Red Hat Enterprise Linux 7 | wpa_supplicant-1:2.0-17.ael7b_1 | Fixed | RHSA-2015:1090 |
| Red Hat Enterprise Linux 5 | wpa_supplicant | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.17% (0.04168) | 90.57th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.21% (0.04213) | 89.66th | v5 (v2026.06.15) |
| Jun 21, 2025 | 7.07% (0.07071) | 91.04th | v4 (v2025.03.14) |
| May 28, 2025 | 3.85% (0.03852) | 87.63th | v4 (v2025.03.14) |
| May 25, 2025 | 8.99% (0.08991) | 92.15th | v4 (v2025.03.14) |
| May 21, 2025 | 3.40% (0.03398) | 86.79th | v4 (v2025.03.14) |
| May 19, 2025 | 8.22% (0.08223) | 91.75th | v4 (v2025.03.14) |
| May 18, 2025 | 19.13% (0.19134) | 95.00th | v4 (v2025.03.14) |
| May 17, 2025 | 23.52% (0.23522) | 95.66th | v4 (v2025.03.14) |
| Mar 30, 2025 | 31.29% (0.31293) | 96.38th | v4 (v2025.03.14) |
| Mar 29, 2025 | 54.78% (0.54784) | 97.16th | v4 (v2025.03.14) |
| Mar 17, 2025 | 31.29% (0.31293) | 96.37th | v4 (v2025.03.14) |
| Jan 25, 2025 | 6.21% (0.06208) | 93.55th | v3 (v2023.03.01) |
| Dec 12, 2024 | 7.52% (0.07516) | 94.39th | v3 (v2023.03.01) |
| Mar 7, 2023 | 7.47% (0.07470) | 93.03th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.78% (0.03779) | 85.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.78% (0.03779) | 84.01th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.78% (0.03779) | 67.21th | v2 (v2022.01.01) |
References (19)
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171401.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172608.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172655.html vendor-advisoryx_refsource_FEDORA
- http://lists.opensuse.org/opensuse-updates/2015-06/msg00019.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2015-1090.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2015-1439.html vendor-advisoryx_refsource_REDHAT
- http://seclists.org/fulldisclosure/2022/May/34 mailing-listx_refsource_FULLDISC
- http://w1.fi/security/2015-3/integer-underflow-in-ap-mode-wmm-action-frame.txt x_refsource_CONFIRMVendor Advisory
- http://www.debian.org/security/2015/dsa-3397 vendor-advisoryx_refsource_DEBIAN
- http://www.openwall.com/lists/oss-security/2015/05/09/5 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2015/05/31/6 mailing-listx_refsource_MLIST
- http://www.securitytracker.com/id/1032625 vdb-entryx_refsource_SECTRACK
- http://www.ubuntu.com/usn/USN-2650-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2015-4142 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1221178 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2015-4142
- https://security.gentoo.org/glsa/201606-17 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://support.apple.com/kb/HT213258 x_refsource_CONFIRM
- https://www.cve.org/CVERecord?id=CVE-2015-4142
Change history (0)
No recorded changes yet.