CVE catalog
CVE-2015-3281
haproxy: CVE-2015-3281
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 4.33% · Oct 27, 2026
The buffer_slow_realign function in HAProxy 1.5.x before 1.5.14 and 1.6-dev does not properly realign a buffer that is used for pending outgoing data, which allows remote attackers to obtain sensitive information (uninitialized memory contents of previous requests) via a crafted request.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | haproxy | sid | 3.2.26-1 | fixed |
| Debian | haproxy | forky | 3.2.26-1 | fixed |
| Debian | haproxy | trixie | 3.0.11-1+deb13u3 | fixed |
| Debian | haproxy | trixie-security | 3.0.11-1+deb13u4 | fixed |
| Debian | haproxy | bookworm | 2.6.12-1+deb12u3 | fixed |
| Debian | haproxy | bookworm-security | 2.6.12-1+deb12u4 | fixed |
| Suse | haproxy | linux enterprise high availability extension 12 | 1.5.4-2.4.1 | fixed |
| Suse | haproxy | cloud compute node for suse linux enterprise 12 5 | 1.5.4-2.4.1 | fixed |
| Suse | haproxy | openstack cloud 5 | 1.5.4-12.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | haproxy | source | sid | 1.5.14-1 | not yet assigned | Not reported | Not reported |
| Debian | haproxy | source | forky | 1.5.14-1 | not yet assigned | Not reported | Not reported |
| Debian | haproxy | source | trixie | 1.5.14-1 | not yet assigned | Not reported | Not reported |
| Debian | haproxy | source | bookworm | 1.5.14-1 | not yet assigned | Not reported | Not reported |
| Suse | haproxy | rpm | linux enterprise high availability extension 12 | 1.5.4-2.4.1 | Not reported | SUSE-SU-2015:1663-1 | Not reported |
| Suse | haproxy | rpm | cloud compute node for suse linux enterprise 12 5 | 1.5.4-2.4.1 | Not reported | SUSE-SU-2015:1663-1 | Not reported |
| Suse | haproxy | rpm | openstack cloud 5 | 1.5.4-12.1 | Not reported | SUSE-SU-2015:1776-1 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [haproxy]Unknown
Details (4)
2.6.12-1+deb12u3· amd64 · bookwormFixed · Fixed:
1.5.14-1dsa · haproxy · debian · bookworm; dsa · haproxy · debian · 12
2.6.12-1+deb12u3· arm64 · bookwormFixed · Fixed:
1.5.14-1dsa · haproxy · debian · bookworm; dsa · haproxy · debian · 12
2.6.12-1+deb12u3· amd64 · bookworm-securityFixed · Fixed:
1.5.14-1dsa · haproxy · debian · bookworm; dsa · haproxy · debian · 12
2.6.12-1+deb12u3· arm64 · bookworm-securityFixed · Fixed:
1.5.14-1dsa · haproxy · debian · bookworm; dsa · haproxy · debian · 12
- [haproxy-doc]Unknown
Source package: [haproxy]
Details (4)
2.6.12-1+deb12u3· all · bookwormFixed · Fixed:
1.5.14-1dsa · haproxy · debian · bookworm; dsa · haproxy · debian · 12
2.6.12-1+deb12u3· all · bookwormFixed · Fixed:
1.5.14-1dsa · haproxy · debian · bookworm; dsa · haproxy · debian · 12
2.6.12-1+deb12u3· all · bookworm-securityFixed · Fixed:
1.5.14-1dsa · haproxy · debian · bookworm; dsa · haproxy · debian · 12
2.6.12-1+deb12u3· all · bookworm-securityFixed · Fixed:
1.5.14-1dsa · haproxy · debian · bookworm; dsa · haproxy · debian · 12
- [vim-haproxy]Unknown
Source package: [haproxy]
Details (4)
2.6.12-1+deb12u3· all · bookwormFixed · Fixed:
1.5.14-1dsa · haproxy · debian · bookworm; dsa · haproxy · debian · 12
2.6.12-1+deb12u3· all · bookwormFixed · Fixed:
1.5.14-1dsa · haproxy · debian · bookworm; dsa · haproxy · debian · 12
2.6.12-1+deb12u3· all · bookworm-securityFixed · Fixed:
1.5.14-1dsa · haproxy · debian · bookworm; dsa · haproxy · debian · 12
2.6.12-1+deb12u3· all · bookworm-securityFixed · Fixed:
1.5.14-1dsa · haproxy · debian · bookworm; dsa · haproxy · debian · 12
[Debian 13 (Trixie)]
- [haproxy]Unknown
Details (5)
3.0.11-1+deb13u3· amd64 · trixieFixed · Fixed:
1.5.14-1dsa · haproxy · debian · 13
3.0.11-1+deb13u3· arm64 · trixieFixed · Fixed:
1.5.14-1dsa · haproxy · debian · 13
3.0.11-1+deb13u3· amd64 · trixie-security · Historical versionFixed · Fixed:
1.5.14-1dsa · haproxy · debian · 13
3.0.11-1+deb13u3· arm64 · trixie-securityFixed · Fixed:
1.5.14-1dsa · haproxy · debian · 13
3.0.11-1+deb13u4· amd64 · trixie-securityFixed · Fixed:
1.5.14-1dsa · haproxy · debian · 13
- [haproxy-doc]Unknown
Source package: [haproxy]
Details (5)
3.0.11-1+deb13u3· all · trixieFixed · Fixed:
1.5.14-1dsa · haproxy · debian · 13
3.0.11-1+deb13u3· all · trixieFixed · Fixed:
1.5.14-1dsa · haproxy · debian · 13
3.0.11-1+deb13u3· all · trixie-securityFixed · Fixed:
1.5.14-1dsa · haproxy · debian · 13
3.0.11-1+deb13u3· all · trixie-security · Historical versionFixed · Fixed:
1.5.14-1dsa · haproxy · debian · 13
3.0.11-1+deb13u4· all · trixie-securityFixed · Fixed:
1.5.14-1dsa · haproxy · debian · 13
- [vim-haproxy]Unknown
Source package: [haproxy]
Details (5)
3.0.11-1+deb13u3· all · trixieFixed · Fixed:
1.5.14-1dsa · haproxy · debian · 13
3.0.11-1+deb13u3· all · trixieFixed · Fixed:
1.5.14-1dsa · haproxy · debian · 13
3.0.11-1+deb13u3· all · trixie-security · Historical versionFixed · Fixed:
1.5.14-1dsa · haproxy · debian · 13
3.0.11-1+deb13u3· all · trixie-securityFixed · Fixed:
1.5.14-1dsa · haproxy · debian · 13
3.0.11-1+deb13u4· all · trixie-securityFixed · Fixed:
1.5.14-1dsa · haproxy · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2015_1741.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2015-3281]
- [https://osv.dev/vulnerability/DSA-3301-1]
- [https://osv.dev/vulnerability/SUSE-SU-2015:1663-1]
- [https://osv.dev/vulnerability/SUSE-SU-2015:1776-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2015-3281]
- [https://security-tracker.debian.org/tracker/CVE-2015-3281]
- [https://security.access.redhat.com/data/csaf/v2/vex/2015/cve-2015-3281.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]