CVE-2021-32686

Source
https://nvd.nist.gov/vuln/detail/CVE-2021-32686
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-32686.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-32686
Downstream
Related
Published
2021-07-23T22:15:08Z
Modified
2025-09-19T12:57:55.389387Z
Severity
  • 5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In PJSIP before version 2.11.1, there are a couple of issues found in the SSL socket. First, a race condition between callback and destroy, due to the accepted socket having no group lock. Second, the SSL socket parent/listener may get destroyed during handshake. Both issues were reported to happen intermittently in heavy load TLS connections. They cause a crash, resulting in a denial of service. These are fixed in version 2.11.1.

References

Affected packages

Alpine:v3.14

pjproject

Package

Name
pjproject
Purl
pkg:apk/alpine/pjproject?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.11.1-r0

Affected versions

1.*

1.0.1-r0
1.4-r0
1.4-r1
1.6-r0
1.6-r1
1.6-r2
1.10-r0

2.*

2.0-r0
2.1-r0
2.2-r0
2.2.1-r0
2.3-r0
2.4-r0
2.4.5-r0
2.5.5-r0
2.5.5-r1
2.5.5-r2
2.5.5-r3
2.5.5-r4
2.7.2-r0
2.7.2-r1
2.7.2-r2
2.7.2-r3
2.7.2-r4
2.8-r0
2.9-r0

Alpine:v3.15

pjproject

Package

Name
pjproject
Purl
pkg:apk/alpine/pjproject?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.11.1-r0

Affected versions

1.*

1.0.1-r0
1.4-r0
1.4-r1
1.6-r0
1.6-r1
1.6-r2
1.10-r0

2.*

2.0-r0
2.1-r0
2.2-r0
2.2.1-r0
2.3-r0
2.4-r0
2.4.5-r0
2.5.5-r0
2.5.5-r1
2.5.5-r2
2.5.5-r3
2.5.5-r4
2.7.2-r0
2.7.2-r1
2.7.2-r2
2.7.2-r3
2.7.2-r4
2.8-r0
2.9-r0
2.11-r0

Alpine:v3.16

pjproject

Package

Name
pjproject
Purl
pkg:apk/alpine/pjproject?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.11.1-r0

Affected versions

1.*

1.0.1-r0
1.4-r0
1.4-r1
1.6-r0
1.6-r1
1.6-r2
1.10-r0

2.*

2.0-r0
2.1-r0
2.2-r0
2.2.1-r0
2.3-r0
2.4-r0
2.4.5-r0
2.5.5-r0
2.5.5-r1
2.5.5-r2
2.5.5-r3
2.5.5-r4
2.7.2-r0
2.7.2-r1
2.7.2-r2
2.7.2-r3
2.7.2-r4
2.8-r0
2.9-r0
2.11-r0

Alpine:v3.17

pjproject

Package

Name
pjproject
Purl
pkg:apk/alpine/pjproject?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.11.1-r0

Affected versions

1.*

1.0.1-r0
1.4-r0
1.4-r1
1.6-r0
1.6-r1
1.6-r2
1.10-r0

2.*

2.0-r0
2.1-r0
2.2-r0
2.2.1-r0
2.3-r0
2.4-r0
2.4.5-r0
2.5.5-r0
2.5.5-r1
2.5.5-r2
2.5.5-r3
2.5.5-r4
2.7.2-r0
2.7.2-r1
2.7.2-r2
2.7.2-r3
2.7.2-r4
2.8-r0
2.9-r0
2.11-r0

Alpine:v3.18

pjproject

Package

Name
pjproject
Purl
pkg:apk/alpine/pjproject?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.11.1-r0

Affected versions

1.*

1.0.1-r0
1.4-r0
1.4-r1
1.6-r0
1.6-r1
1.6-r2
1.10-r0

2.*

2.0-r0
2.1-r0
2.2-r0
2.2.1-r0
2.3-r0
2.4-r0
2.4.5-r0
2.5.5-r0
2.5.5-r1
2.5.5-r2
2.5.5-r3
2.5.5-r4
2.7.2-r0
2.7.2-r1
2.7.2-r2
2.7.2-r3
2.7.2-r4
2.8-r0
2.9-r0
2.11-r0

Alpine:v3.19

pjproject

Package

Name
pjproject
Purl
pkg:apk/alpine/pjproject?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.11.1-r0

Affected versions

1.*

1.0.1-r0
1.4-r0
1.4-r1
1.6-r0
1.6-r1
1.6-r2
1.10-r0

2.*

2.0-r0
2.1-r0
2.2-r0
2.2.1-r0
2.3-r0
2.4-r0
2.4.5-r0
2.5.5-r0
2.5.5-r1
2.5.5-r2
2.5.5-r3
2.5.5-r4
2.7.2-r0
2.7.2-r1
2.7.2-r2
2.7.2-r3
2.7.2-r4
2.8-r0
2.9-r0
2.11-r0

Alpine:v3.20

pjproject

Package

Name
pjproject
Purl
pkg:apk/alpine/pjproject?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.11.1-r0

Affected versions

1.*

1.0.1-r0
1.4-r0
1.4-r1
1.6-r0
1.6-r1
1.6-r2
1.10-r0

2.*

2.0-r0
2.1-r0
2.2-r0
2.2.1-r0
2.3-r0
2.4-r0
2.4.5-r0
2.5.5-r0
2.5.5-r1
2.5.5-r2
2.5.5-r3
2.5.5-r4
2.7.2-r0
2.7.2-r1
2.7.2-r2
2.7.2-r3
2.7.2-r4
2.8-r0
2.9-r0
2.11-r0

Alpine:v3.21

pjproject

Package

Name
pjproject
Purl
pkg:apk/alpine/pjproject?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.11.1-r0

Affected versions

1.*

1.0.1-r0
1.4-r0
1.4-r1
1.6-r0
1.6-r1
1.6-r2
1.10-r0

2.*

2.0-r0
2.1-r0
2.2-r0
2.2.1-r0
2.3-r0
2.4-r0
2.4.5-r0
2.5.5-r0
2.5.5-r1
2.5.5-r2
2.5.5-r3
2.5.5-r4
2.7.2-r0
2.7.2-r1
2.7.2-r2
2.7.2-r3
2.7.2-r4
2.8-r0
2.9-r0
2.11-r0

Alpine:v3.22

pjproject

Package

Name
pjproject
Purl
pkg:apk/alpine/pjproject?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.11.1-r0

Affected versions

1.*

1.0.1-r0
1.4-r0
1.4-r1
1.6-r0
1.6-r1
1.6-r2
1.10-r0

2.*

2.0-r0
2.1-r0
2.2-r0
2.2.1-r0
2.3-r0
2.4-r0
2.4.5-r0
2.5.5-r0
2.5.5-r1
2.5.5-r2
2.5.5-r3
2.5.5-r4
2.7.2-r0
2.7.2-r1
2.7.2-r2
2.7.2-r3
2.7.2-r4
2.8-r0
2.9-r0
2.11-r0

Git

github.com/pjsip/pjproject

Affected ranges

Type
GIT
Repo
https://github.com/pjsip/pjproject
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
Fixed

Affected versions

2.*

2.10
2.11

Database specific

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        {
            "id": "CVE-2021-32686-1aa9a2f5",
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            "digest": {
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            "target": {
                "file": "pjlib/src/pj/ssl_sock_ossl.c"
            },
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            "signature_version": "v1",
            "source": "https://github.com/pjsip/pjproject/commit/d5f95aa066f878b0aef6a64e60b61e8626e664cd"
        },
        {
            "id": "CVE-2021-32686-ffde2f3b",
            "signature_type": "Function",
            "digest": {
                "function_hash": "84787294693304893400992381060548000027",
                "length": 3979.0
            },
            "target": {
                "file": "pjlib/src/pj/ssl_sock_imp_common.c",
                "function": "ssock_on_accept_complete"
            },
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            "signature_version": "v1",
            "source": "https://github.com/pjsip/pjproject/commit/d5f95aa066f878b0aef6a64e60b61e8626e664cd"
        }
    ]
}