CVE-2023-0836

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2023-0836
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-0836.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2023-0836
Aliases
Downstream
Related
Published
2023-03-29T21:15:07.950Z
Modified
2026-04-10T04:54:59.469282Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

An information leak vulnerability was discovered in HAProxy 2.1, 2.2 before 2.2.27, 2.3, 2.4 before 2.4.21, 2.5 before 2.5.11, 2.6 before 2.6.8, 2.7 before 2.7.1. There are 5 bytes left uninitialized in the connection buffer when encoding the FCGIBEGINREQUEST record. Sensitive data may be disclosed to configured FastCGI backends in an unexpected way.

References

Affected packages

Git / git.haproxy.org/haproxy-2.2.git

Affected ranges

Type
GIT
Repo
https://git.haproxy.org/haproxy-2.2.git
Events
Introduced
3a00c915fd241fc398a080a11ccac9c5c46791ce
Fixed
2f51eeb60f7f07e76a3248ba9a0757236216aed3
Database specific 
{
    "versions": [
        {
            "introduced": "2.2.0"
        },
        {
            "fixed": "2.2.27"
        }
    ]
}
Type
GIT
Repo
https://git.haproxy.org/haproxy-2.4.git
Events
Introduced
6cbbecf09734aeb5fa8bb88f36f06a6f6d35e813
Last affected
4c20ccb302a648bcf28a2f1879c315be4029fafa
Database specific 
{
    "versions": [
        {
            "introduced": "2.4.0"
        },
        {
            "last_affected": "2.4.21"
        }
    ]
}
Type
GIT
Repo
https://github.com/haproxy/haproxy
Events
Introduced
f2e0833f16aa8c09e1c7001ff55aac4f13c643b7
Last affected
b4d0cd02c14d4db1cf54b0bd8ee328fb198553f3
Introduced
a1efc048bf8a5e14466dbe7317e73117e8d66176
Last affected
026fef98a014b9860f7058eae437ff0a11c78e20
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
e54b43af1ec9dc656c04b09118583cb3c2ce56fa
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
1c0a722a83e7c45456a2b82c15889ab9ab5c4948
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
437fd289f2e32e56498d2d4da63852d483f284ef
Database specific 
{
    "versions": [
        {
            "introduced": "2.5.0"
        },
        {
            "last_affected": "2.5.11"
        },
        {
            "introduced": "2.6.0"
        },
        {
            "last_affected": "2.6.8"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "2.1.0"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "2.3.0"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "2.7.0"
        }
    ]
}

Affected versions

v1.*
v1.0.0
v1.0.1
v1.0.2
v1.1.0
v1.1.1
v1.1.10
v1.1.11
v1.1.12
v1.1.13
v1.1.14
v1.1.15
v1.1.16
v1.1.17
v1.1.18
v1.1.19
v1.1.2
v1.1.20
v1.1.21
v1.1.22
v1.1.23
v1.1.24
v1.1.25
v1.1.26
v1.1.27
v1.1.3
v1.1.4
v1.1.5
v1.1.6
v1.1.7
v1.1.8
v1.1.9
v1.2.0
v1.2.1
v1.2.1-pre1
v1.2.1-pre2
v1.2.1-pre3
v1.2.10
v1.2.10.1
v1.2.11
v1.2.11.1
v1.2.12
v1.2.13
v1.2.13.1
v1.2.14
v1.2.2
v1.2.3
v1.2.4
v1.2.5
v1.2.5-pre1
v1.2.5-pre2
v1.2.5-pre3
v1.2.5-pre4
v1.2.5.1
v1.2.5.2
v1.2.6
v1.2.6-pre4
v1.2.6-pre5
v1.2.7
v1.2.7.1
v1.2.7rc
v1.2.8
v1.2.9
v1.3.0
v1.3.1
v1.3.10
v1.3.10.1
v1.3.10.2
v1.3.11
v1.3.11.1
v1.3.11.2
v1.3.11.3
v1.3.11.4
v1.3.12
v1.3.13
v1.3.14
v1.3.15
v1.3.16
v1.3.16-rc1
v1.3.16-rc2
v1.3.17
v1.3.18
v1.3.2
v1.3.3
v1.3.4
v1.3.5
v1.3.6
v1.3.6.1
v1.3.7
v1.3.8
v1.3.8.1
v1.3.8.2
v1.3.9
v1.4-dev0
v1.4-dev1
v1.4-dev2
v1.4-dev3
v1.4-dev4
v1.4-dev5
v1.4-dev6
v1.4-dev7
v1.4-dev8
v1.4-rc1
v1.4.0
v1.4.1
v1.4.2
v1.4.3
v1.4.4
v1.4.5
v1.4.6
v1.5-dev10
v1.5-dev12
v1.5-dev13
v1.5-dev14
v1.5-dev15
v1.5-dev16
v1.5-dev17
v1.5-dev18
v1.5-dev19
v1.5-dev20
v1.5-dev21
v1.5-dev22
v1.5-dev23
v1.5-dev24
v1.5-dev25
v1.5-dev26
v1.5-dev8
v1.5-dev9
v1.5.0
v1.6-dev0
v1.6-dev1
v1.6-dev2
v1.6-dev3
v1.6-dev4
v1.6-dev5
v1.6-dev6
v1.6-dev7
v1.6.0
v1.7-dev0
v1.7-dev1
v1.7-dev2
v1.7-dev3
v1.7-dev4
v1.7-dev5
v1.7-dev6
v1.7.0
v1.8-dev0
v1.8-dev1
v1.8-dev2
v1.8-dev3
v1.8-rc1
v1.8-rc2
v1.8-rc3
v1.8-rc4
v1.8.0
v1.9-dev0
v1.9-dev1
v1.9-dev10
v1.9-dev11
v1.9-dev2
v1.9-dev3
v1.9-dev4
v1.9-dev5
v1.9-dev6
v1.9-dev7
v1.9-dev8
v1.9-dev9
v1.9.0
v2.*
v2.0-dev0
v2.0-dev1
v2.0-dev2
v2.0-dev3
v2.0-dev4
v2.0-dev5
v2.0-dev6
v2.0-dev7
v2.0.0
v2.1-dev0
v2.1-dev1
v2.1-dev2
v2.1-dev3
v2.1-dev4
v2.1-dev5
v2.1.0
v2.2-dev0
v2.2-dev1
v2.2-dev10
v2.2-dev11
v2.2-dev12
v2.2-dev2
v2.2-dev3
v2.2-dev4
v2.2-dev5
v2.2-dev6
v2.2-dev7
v2.2-dev8
v2.2-dev9
v2.2.0
v2.2.1
v2.2.10
v2.2.11
v2.2.12
v2.2.13
v2.2.14
v2.2.15
v2.2.16
v2.2.17
v2.2.18
v2.2.19
v2.2.2
v2.2.20
v2.2.21
v2.2.22
v2.2.23
v2.2.24
v2.2.25
v2.2.26
v2.2.3
v2.2.4
v2.2.5
v2.2.6
v2.2.7
v2.2.8
v2.2.9
v2.3-dev0
v2.3-dev1
v2.3-dev2
v2.3-dev3
v2.3-dev4
v2.3-dev5
v2.3-dev6
v2.3-dev7
v2.3-dev8
v2.3-dev9
v2.3.0
v2.4-dev0
v2.4-dev1
v2.4-dev10
v2.4-dev11
v2.4-dev12
v2.4-dev13
v2.4-dev14
v2.4-dev15
v2.4-dev16
v2.4-dev17
v2.4-dev18
v2.4-dev19
v2.4-dev2
v2.4-dev3
v2.4-dev4
v2.4-dev5
v2.4-dev6
v2.4-dev7
v2.4-dev8
v2.4-dev9
v2.4.0
v2.4.1
v2.4.10
v2.4.11
v2.4.12
v2.4.13
v2.4.14
v2.4.15
v2.4.16
v2.4.17
v2.4.18
v2.4.19
v2.4.2
v2.4.20
v2.4.21
v2.4.3
v2.4.4
v2.4.5
v2.4.6
v2.4.7
v2.4.8
v2.4.9
v2.5-dev0
v2.5-dev1
v2.5-dev10
v2.5-dev11
v2.5-dev2
v2.5-dev3
v2.5-dev4
v2.5-dev5
v2.5-dev6
v2.5-dev7
v2.5-dev8
v2.5-dev9
v2.5.0
v2.6-dev0
v2.6-dev1
v2.6-dev2
v2.6-dev3
v2.6-dev4
v2.6-dev5
v2.6-dev6
v2.6-dev7
v2.6-dev8
v2.6.0
v2.7-dev0
v2.7-dev1
v2.7-dev10
v2.7-dev2
v2.7-dev3
v2.7-dev4
v2.7-dev5
v2.7-dev6
v2.7-dev7
v2.7-dev8
v2.7-dev9
v2.7.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-0836.json"