Is CVE-2022-24763 in the CISA KEV catalog?

No. CVE-2022-24763 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-24763?

CVE-2022-24763 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2022-24763?

CVE-2022-24763 has an EPSS score of 2.04% (79th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-24763?

Upgrade asterisk on debian 11 to 1:16.28.0~dfsg-0+deb11u1 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2022-24763

HIGHEPSS 79th pctl

7.5

CVSS v3

NVD

Description

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.

CWE-835

How to fix

Remediation Available

asteriskDebian

Fixed in:1:16.28.0~dfsg-0+deb11u1CVE-2022-24763

Fixed in:1:18.14.0~~rc1~dfsg+~cs6.12.40431414-1CVE-2022-24763

jamiUbuntu

Fixed in:20190215.1.f152c98~ds1-1+deb10u2build0.20.04.1USN-6422-1

Fixed in:20230206.0~ds1-5ubuntu0.1USN-6422-1

jami-daemonUbuntu

Fixed in:20190215.1.f152c98~ds1-1+deb10u2build0.20.04.1USN-6422-1

Fixed in:20230206.0~ds1-5ubuntu0.1USN-6422-1

ringUbuntu

Fixed in:20180228.1.503da2b~ds1-1ubuntu0.1~esm1USN-6422-1

Fixed in:20190215.1.f152c98~ds1-1+deb10u2build0.20.04.1USN-6422-1

Fixed in:20230206.0~ds1-5ubuntu0.1USN-6422-1

ring-daemonUbuntu

Fixed in:20180228.1.503da2b~ds1-1ubuntu0.1~esm1USN-6422-1

Fixed in:20190215.1.f152c98~ds1-1+deb10u2build0.20.04.1USN-6422-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

2.04%probability of exploitation in 30 days

79thpercentile

Elevated risk: more likely to be exploited than 79% of all known CVEs.

References

Patch2

Third-Party Advisory5

Other references1

lists.debian.org

Related Vulnerabilities

Other CWE-835 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-13935	High	7.5	88%	-	Fix
CVE-2020-36227	High	7.5	78%	-	Fix
CVE-2022-0778	High	7.5	71%	-	Fix
CVE-2019-14241	High	7.5	70%	-	-
CVE-2017-16944	High	7.5	63%	-	Fix
CVE-2024-20353	High	8.6	63%	KEV	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.