CVE-2012-6128
Multiple stack-based buffer overflows in http.c in OpenConnect before 4.08 allow remote VPN...
Multiple stack-based buffer overflows in http.c in OpenConnect before 4.08 allow remote VPN gateways to cause a denial of service (application crash) via a long (1) hostname, (2) path, or (3) cookie list in a response.
Exploit likelihood
What each source reports
NVD Score used
Multiple stack-based buffer overflows in http.c in OpenConnect before 4.08 allow remote VPN gateways to cause a denial of service (application crash) via a long (1) hostname, (2) path, or (3) cookie list in a response.
- Record
CVE-2012-6128- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
Multiple stack-based buffer overflows in http.c in OpenConnect before 4.08 allow remote VPN gateways to cause a denial of service (application crash) via a long (1) hostname, (2) path, or (3) cookie list in a response.
- Record
CVE-2012-6128- Updated
- 2026-11-02
EUVDEUVD-2012-5995 No score
Multiple stack-based buffer overflows in http.c in OpenConnect before 4.08 allow remote VPN gateways to cause a denial of service (application crash) via a long (1) hostname, (2) path, or (3) cookie list in a response.
- Record
EUVD-2012-5995- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qf4p-jmcc-vw8h No score
Multiple stack-based buffer overflows in http.c in OpenConnect before 4.08 allow remote VPN...
Multiple stack-based buffer overflows in http.c in OpenConnect before 4.08 allow remote VPN gateways to cause a denial of service (application crash) via a long (1) hostname, (2) path, or (3) cookie list in a response.
- Record
GHSA-qf4p-jmcc-vw8h- Weakness
- CWE-119
- Updated
- 2026-11-02
OSV No score
Multiple stack-based buffer overflows in http.c in OpenConnect before 4.08 allow remote VPN gateways to cause a denial of service (application crash) via a long (1) hostname, (2) path, or (3) cookie list in a response.
- Record
CVE-2012-6128- Updated
- 2026-11-02
OSVDEBIAN-CVE-2012-6128 No score
Multiple stack-based buffer overflows in http.c in OpenConnect before 4.08 allow remote VPN gateways to cause a denial of service (application crash) via a long (1) hostname, (2) path, or (3) cookie list in a response.
- Record
DEBIAN-CVE-2012-6128- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10553-1 No score
openconnect-7.07-1.3 on GA media
These are all security issues fixed in the openconnect-7.07-1.3 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10553-1- Updated
- 2026-11-02
OSVUBUNTU-CVE-2012-6128 No score
Multiple stack-based buffer overflows in http.c in OpenConnect before 4.08 allow remote VPN gateways to cause a denial of service (application crash) via a long (1) hostname, (2) path, or (3) cookie list in a response.
- Record
UBUNTU-CVE-2012-6128- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
openconnectDebian:12 |
before 3.20-3 | 3.20-3 |
openconnectDebian:13 |
before 3.20-3 | 3.20-3 |
openconnectDebian:14 |
before 3.20-3 | 3.20-3 |
openconnectDebian:6.0 |
before 2.25-0.1+squeeze2, plus listed versions 2.25-0.12.25-0.1+squeeze1 |
2.25-0.1+squeeze2 |
openconnectopenSUSE:Tumbleweed From an advisory covering 3 CVEs |
before 7.07-1.3 | 7.07-1.3 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| affected | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2012-6128 is a medium vulnerability (CVSS 5.0) in Infradead Openconnect, published February 14, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.65%, the 85th percentile. Fixed in openconnect 3.20-3.
References
mandriva.com/security/advisories?name=MDVSA-2013:108
infradead.org/openconnect/changelog.html
openwall.com/lists/oss-security/2013/02/12/7
debian.org/security/2013/dsa-2623
exchange.xforce.ibmcloud.com/vulnerabilities/82058
securityfocus.com/bid/57884
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lists.opensuse.org/opensuse-updates/2013-06/msg00115.html
git.infradead.org/users/dwmw2/openconnect.git/commitdiff/26f752c3dbf69227679fc6bebb4ae071aecec491
wiki.mageia.org/en/Support/Advisories/MGASA-2013-0060
nvd.nist.gov/vuln/detail/CVE-2012-6128
github.com/advisories/GHSA-qf4p-jmcc-vw8h
security-tracker.debian.org/tracker/CVE-2012-6128
ubuntu.com/security/CVE-2012-6128
cve.org/CVERecord?id=CVE-2012-6128
suse.com/security/cve/CVE-2012-3291