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CVE-2022-31031

Potential stack buffer overflow when parsing message as a STUN client

9.8 CriticalFix available

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 versions prior to and including 2.12.1 a stack buffer overflow vulnerability affects PJSIP users that use STUN in their applications, either by: setting a STUN server in their account/media config in PJSUA/PJSUA2 level, or directly using pjlib-util/stun_simple API. A patch is available in commit 450baca which should be included in the next release. There are no known workarounds for this issue.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

2.07%Up 1.2 points since Jun 8, 2022
90%50%10%1%

What each source reports

CVE List Score used 9.8

Potential stack buffer overflow when parsing message as a STUN client

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 versions prior to and including 2.12.1 a stack buffer overflow vulnerability affects PJSIP users that use STUN in their applications, either by: setting a STUN server in their account/media config in PJSUA/PJSUA2 level, or directly using pjlib-util/stun_simple API. A patch is available in commit 450baca which should be included in the next release. There are no known workarounds for this issue.

Record
CVE-2022-31031
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-120
Updated
2026-11-02
EUVDEUVD-2022-52723 9.8

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 versions prior to and including 2.12.1 a stack buffer overflow vulnerability affects PJSIP users that use STUN in their applications, either by: setting a STUN server in their account/media config in PJSUA/PJSUA2 level, or directly using pjlib-util/stun_simple API. A patch is available in commit 450baca which should be included in the next release. There are no known workarounds for this issue.

Record
EUVD-2022-52723
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
NVD 9.8

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 versions prior to and including 2.12.1 a stack buffer overflow vulnerability affects PJSIP users that use STUN in their applications, either by: setting a STUN server in their account/media config in PJSUA/PJSUA2 level, or directly using pjlib-util/stun_simple API. A patch is available in commit 450baca which should be included in the next release. There are no known workarounds for this issue.

Record
CVE-2022-31031
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-120, CWE-787
Updated
2026-11-02
OSVALPINE-CVE-2022-31031 9.8

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 versions prior to and including 2.12.1 a stack buffer overflow vulnerability affects PJSIP users that use STUN in their applications, either by: setting a STUN server in their account/media config in PJSUA/PJSUA2 level, or directly using pjlib-util/stun_simple API. A patch is available in commit 450baca which should be included in the next release. There are no known workarounds for this issue.

Record
ALPINE-CVE-2022-31031
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-03
OSV 9.8

Potential stack buffer overflow when parsing message as a STUN client

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 versions prior to and including 2.12.1 a stack buffer overflow vulnerability affects PJSIP users that use STUN in their applications, either by: setting a STUN server in their account/media config in PJSUA/PJSUA2 level, or directly using pjlib-util/stun_simple API. A patch is available in commit 450baca which should be included in the next release. There are no known workarounds for this issue.

Record
CVE-2022-31031
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-120
Updated
2026-11-02
OSVDEBIAN-CVE-2022-31031 9.8

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 versions prior to and including 2.12.1 a stack buffer overflow vulnerability affects PJSIP users that use STUN in their applications, either by: setting a STUN server in their account/media config in PJSUA/PJSUA2 level, or directly using pjlib-util/stun_simple API. A patch is available in commit 450baca which should be included in the next release. There are no known workarounds for this issue.

Record
DEBIAN-CVE-2022-31031
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-03
OSVUBUNTU-CVE-2022-31031 9.8

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 versions prior to and including 2.12.1 a stack buffer overflow vulnerability affects PJSIP users that use STUN in their applications, either by: setting a STUN server in their account/media config in PJSUA/PJSUA2 level, or directly using pjlib-util/stun_simple API. A patch is available in commit 450baca which should be included in the next release. There are no known workarounds for this issue.

Record
UBUNTU-CVE-2022-31031
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUSN-6422-1 No score

ring vulnerabilities

It was discovered that Ring incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to execute arbitrary code. (CVE-2021-37706)

It was discovered that Ring incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2021-43299, CVE-2021-43300, CVE-2021-43301, CVE-2021-43302, CVE-2021-43303, CVE-2021-43804, CVE-2021-43845, CVE-2022-21723, CVE-2022-23537, CVE-2022-23547, CVE-2022-23608, CVE-2022-24754, CVE-2022-24763, CVE-2022-24764, CVE-2022-24793, CVE-2022-31031, CVE-2022-39244)

It was discovered that Ring incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 20.04 LTS. (CVE-2022-21722)

It was discovered that Ring incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service. (CVE-2023-27585)

Record
USN-6422-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
pjproject
Alpine:v3.18
before 2.13-r0
2.13-r0
pjproject
Alpine:v3.19
before 2.13-r0
2.13-r0
pjproject
Alpine:v3.20
before 2.13-r0
2.13-r0
pjproject
Alpine:v3.21
before 2.13-r0
2.13-r0
pjproject
Alpine:v3.22
before 2.13-r0
2.13-r0
pjproject
Alpine:v3.23
before 2.13-r0
2.13-r0
pjproject
Alpine:v3.24
before 2.13-r0
2.13-r0
asterisk
Debian:14
before 1:20.0.1~dfsg+~cs6.12.40431414-1, plus listed versions
0.1.11-30.1.11-3woody11:1.0.5-21:1.0.5-41:1.0.6-1
Show 45 moreShow less
1:1.0.6-21:1.0.7-11:1.0.7.dfsg.1-11:1.0.7.dfsg.1-21:1.0.7.dfsg.1-2sarge11:1.0.7.dfsg.1-2sarge21:1.0.7.dfsg.1-2sarge31:1.0.7.dfsg.1-2sarge41:1.0.7.dfsg.1-2sarge51:1.0.7.dfsg.1-2sarge61:1.0.9.dfsg-11:1.0.9.dfsg-31:1.0.9.dfsg-41:1.0.9.dfsg-51:1.0.9.dfsg-61:1.2.0-beta1.dfsg-11:1.2.0-beta2.dfsg-11:1.2.0-beta2.dfsg-21:1.2.0-beta2.dfsg-31:1.2.0-rc1.dfsg-11:1.2.0-rc2.dfsg-11:1.2.0.dfsg-11:1.2.0.dfsg-21:1.2.0.dfsg-31:1.2.0.dfsg-41:1.2.0.dfsg-51:1.2.0.dfsg-61:1.2.1.dfsg-11:1.2.1.dfsg-21:1.2.1.dfsg-31:1.2.10.dfsg-11:1.2.10.dfsg-1bpo11:1.2.10.dfsg-21:1.2.10.dfsg-31:1.2.11.dfsg-11:1.2.12.1.dfsg-11:1.2.13~dfsg-11:1.2.13~dfsg-21:1.2.13~dfsg-2etch11:1.2.13~dfsg-2etch21:1.2.13~dfsg-2etch31:1.2.13~dfsg-2etch41:1.2.14~dfsg-11:1.2.14~dfsg-21:1.2.14~dfsg-3
1:20.0.1~dfsg+~cs6.12.40431414-1
ring
Debian:12
before 20230206.0~ds1-1
20230206.0~ds1-1
asterisk
Debian:10
From an advisory covering 8 CVEs
before 1:16.28.0~dfsg-0+deb10u2, plus listed versions
1:16.10.0~dfsg-11:16.12.0~dfsg-11:16.15.0~dfsg-11:16.15.1~dfsg-11:16.16.1~dfsg+~2.10-1
Show 15 moreShow less
1:16.16.1~dfsg+~2.10-21:16.16.1~dfsg-11:16.16.1~dfsg-1~bpo10+11:16.16.1~dfsg-21:16.16.1~dfsg-31:16.16.1~dfsg-41:16.2.1~dfsg-11:16.2.1~dfsg-1+deb10u11:16.2.1~dfsg-1+deb10u21:16.2.1~dfsg-21:16.23.0~dfsg+~2.10-11:16.23.0~dfsg+~cs6.10.20220309-11:16.23.0~dfsg+~cs6.10.20220309-21:16.23.0~dfsg+~cs6.10.40431411-11:16.28.0~dfsg-0+deb10u1
1:16.28.0~dfsg-0+deb10u2
Show 9 moreShow less
Affected packages
PackageAffectedFixed
ring
Debian:10
From an advisory covering 20 CVEs
before 20190215.1.f152c98~ds1-1+deb10u2, plus listed versions
20190215.1.f152c98~ds1-120190215.1.f152c98~ds1-1+deb10u1
20190215.1.f152c98~ds1-1+deb10u2
ring
Debian:11
From an advisory covering 21 CVEs
before 20210112.2.b757bac~ds1-1+deb11u1, plus listed versions
20210112.2.b757bac~ds1-1
20210112.2.b757bac~ds1-1+deb11u1
asterisk
Debian:11
From an advisory covering 8 CVEs
before 1:16.28.0~dfsg-0+deb11u2, plus listed versions
1:16.16.1~dfsg+~2.10-11:16.16.1~dfsg+~2.10-21:16.16.1~dfsg-11:16.16.1~dfsg-1+deb11u11:16.16.1~dfsg-1+deb11u1~bpo10+1
Show 8 moreShow less
1:16.16.1~dfsg-21:16.16.1~dfsg-31:16.16.1~dfsg-41:16.23.0~dfsg+~2.10-11:16.23.0~dfsg+~cs6.10.20220309-11:16.23.0~dfsg+~cs6.10.20220309-21:16.23.0~dfsg+~cs6.10.40431411-11:16.28.0~dfsg-0+deb11u1
1:16.28.0~dfsg-0+deb11u2
pjproject
Ubuntu:Pro:16.04:LTS
All versions, plus listed versions
2.1.0.0.ast20130823-12.1.0.0.ast20130823-1+deb8u1build0.16.04.12.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1
None known
pjproject
Ubuntu:Pro:18.04:LTS
All versions, plus listed versions
2.6~dfsg-22.7~dfsg-12.7.1~dfsg-12.7.1~dfsg-1build12.7.2~dfsg-12.7.2~dfsg-1ubuntu0.1~esm1
None known
ring
Ubuntu:Pro:18.04:LTS
before 20180228.1.503da2b~ds1-1ubuntu0.1~esm1, plus listed versions
20170803.2.5fcfe3f~dfsg1-120171024.1.eadbdeb~ds1-120171129.2.cf5bbff~ds1-120171129.2.cf5bbff~ds1-220180119.1.9e06f94~ds1-1
Show 4 moreShow less
20180119.1.9e06f94~ds1-320180222.1.7bffde2~ds2-220180228.1.503da2b~ds1-120180228.1.503da2b~ds1-1build1
20180228.1.503da2b~ds1-1ubuntu0.1~esm1
ring
Ubuntu:20.04:LTS
before 20190215.1.f152c98~ds1-1+deb10u2build0.20.04.1, plus listed versions
20190215.1.f152c98~ds1-120190215.1.f152c98~ds1-1build120190215.1.f152c98~ds1-1build2
20190215.1.f152c98~ds1-1+deb10u2build0.20.04.1
ring
Ubuntu:Pro:18.04:LTS
From an advisory covering 20 CVEs
before 20180228.1.503da2b~ds1-1ubuntu0.1~esm1, plus listed versions
20170803.2.5fcfe3f~dfsg1-120171024.1.eadbdeb~ds1-120171129.2.cf5bbff~ds1-120171129.2.cf5bbff~ds1-220180119.1.9e06f94~ds1-1
Show 4 moreShow less
20180119.1.9e06f94~ds1-320180222.1.7bffde2~ds2-220180228.1.503da2b~ds1-120180228.1.503da2b~ds1-1build1
20180228.1.503da2b~ds1-1ubuntu0.1~esm1
ring
Ubuntu:20.04:LTS
From an advisory covering 20 CVEs
before 20190215.1.f152c98~ds1-1+deb10u2build0.20.04.1, plus listed versions
20190215.1.f152c98~ds1-120190215.1.f152c98~ds1-1build120190215.1.f152c98~ds1-1build2
20190215.1.f152c98~ds1-1+deb10u2build0.20.04.1

History

History
RecordedChangedSources
affected, factsOSV
first indexedCVE List, EUVD, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-31031 is a critical vulnerability (CVSS 9.8) in Teluu Pjsip, published June 7, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.07%, the 81st percentile. Fixed in pjproject 2.13-r0.

References

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Left out here: 210 versions. The JSON record has them.

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