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CVE-2022-24763

Infinite Loop in PJSIP

7.5 HighFix available

PJSIP is a free and open source multimedia communication library written in the C language. Versions 2.12 and prior contain a denial-of-service vulnerability that affects PJSIP users that consume PJSIP's XML parsing in their apps. Users are advised to update. There are no known workarounds.

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
None
Integrity
None
Availability
High

Exploit likelihood

2.06%Up 1.2 points since Mar 31, 2022
90%50%10%1%

What each source reports

CVE List Score used 7.5

Infinite Loop in PJSIP

PJSIP is a free and open source multimedia communication library written in the C language. Versions 2.12 and prior contain a denial-of-service vulnerability that affects PJSIP users that consume PJSIP's XML parsing in their apps. Users are advised to update. There are no known workarounds.

Record
CVE-2022-24763
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-835
Updated
2026-11-02
EUVDEUVD-2022-29590 7.5

PJSIP is a free and open source multimedia communication library written in the C language. Versions 2.12 and prior contain a denial-of-service vulnerability that affects PJSIP users that consume PJSIP's XML parsing in their apps. Users are advised to update. There are no known workarounds.

Record
EUVD-2022-29590
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
NVD 7.5

PJSIP is a free and open source multimedia communication library written in the C language. Versions 2.12 and prior contain a denial-of-service vulnerability that affects PJSIP users that consume PJSIP's XML parsing in their apps. Users are advised to update. There are no known workarounds.

Record
CVE-2022-24763
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-835
Updated
2026-11-02
OSVALPINE-CVE-2022-24763 7.5

PJSIP is a free and open source multimedia communication library written in the C language. Versions 2.12 and prior contain a denial-of-service vulnerability that affects PJSIP users that consume PJSIP's XML parsing in their apps. Users are advised to update. There are no known workarounds.

Record
ALPINE-CVE-2022-24763
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-03
OSV 7.5

Infinite Loop in PJSIP

PJSIP is a free and open source multimedia communication library written in the C language. Versions 2.12 and prior contain a denial-of-service vulnerability that affects PJSIP users that consume PJSIP's XML parsing in their apps. Users are advised to update. There are no known workarounds.

Record
CVE-2022-24763
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-835
Updated
2026-11-02
OSVDEBIAN-CVE-2022-24763 7.5

PJSIP is a free and open source multimedia communication library written in the C language. Versions 2.12 and prior contain a denial-of-service vulnerability that affects PJSIP users that consume PJSIP's XML parsing in their apps. Users are advised to update. There are no known workarounds.

Record
DEBIAN-CVE-2022-24763
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-03
OSVUBUNTU-CVE-2022-24763 7.5

PJSIP is a free and open source multimedia communication library written in the C language. Versions 2.12 and prior contain a denial-of-service vulnerability that affects PJSIP users that consume PJSIP's XML parsing in their apps. Users are advised to update. There are no known workarounds.

Record
UBUNTU-CVE-2022-24763
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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:v3.16
 before 2.12.1-r0
2.12.1-r0
pjproject
Alpine:v3.17
 before 2.12.1-r0
2.12.1-r0
pjproject
Alpine:v3.18
 before 2.12.1-r0
2.12.1-r0
pjproject
Alpine:v3.19
 before 2.12.1-r0
2.12.1-r0
pjproject
Alpine:v3.20
 before 2.12.1-r0
2.12.1-r0
pjproject
Alpine:v3.21
 before 2.12.1-r0
2.12.1-r0
pjproject
Alpine:v3.22
 before 2.12.1-r0
2.12.1-r0
pjproject
Alpine:v3.23
 before 2.12.1-r0
2.12.1-r0
pjproject
Alpine:v3.24
 before 2.12.1-r0
2.12.1-r0
asterisk
Debian:14
 before 1:18.14.0~~rc1~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
1:18.14.0~~rc1~dfsg+~cs6.12.40431414-1
Show 12 moreShow less
Affected packages
PackageAffectedFixed
ring
Debian:12
 before 20230206.0~ds1-1
20230206.0~ds1-1
pjproject
Debian:9
From an advisory covering 3 CVEs
 before 2.5.5~dfsg-6+deb9u5, plus listed versions
2.5.5~dfsg-62.5.5~dfsg-6+deb9u12.5.5~dfsg-6+deb9u22.5.5~dfsg-6+deb9u32.5.5~dfsg-6+deb9u4
2.5.5~dfsg-6+deb9u5
asterisk
Debian:10
From an advisory covering 20 CVEs
 before 1:16.28.0~dfsg-0+deb10u1, 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 14 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+~cs6.10.40431411-1
1:16.28.0~dfsg-0+deb10u1
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 20 CVEs
 before 1:16.28.0~dfsg-0+deb11u1, 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 7 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+~cs6.10.40431411-1
1:16.28.0~dfsg-0+deb11u1
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-2022-24763 is a high vulnerability (CVSS 7.5) in Teluu Pjsip, published March 30, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.06%, the 81st percentile. Fixed in pjproject 2.12.1-r0.

References

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Left out here: 204 versions. The JSON record has them.

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