Is CVE-2022-29536 in the CISA KEV catalog?

No. CVE-2022-29536 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-29536?

CVE-2022-29536 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2022-29536?

CVE-2022-29536 has an EPSS score of 1.90% (77th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-29536?

Upgrade epiphany-browser on debian 11 to 3.38.2-1+deb11u3 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2022-29536

HIGHEPSS 77th pctl

7.5

CVSS v3

NVD

Description

In GNOME Epiphany before 41.4 and 42.x before 42.2, an HTML document can trigger a client buffer overflow (in ephy_string_shorten in the UI process) via a long page title. The issue occurs because the number of bytes for a UTF-8 ellipsis character is not properly considered.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

epiphany-browserDebian

Fixed in:3.38.2-1+deb11u3CVE-2022-29536

Fixed in:42.2-1CVE-2022-29536

epiphany-browserUbuntu

Fixed in:3.36.4-0ubuntu2USN-5561-1

Fixed in:42.1-1ubuntu1USN-5561-1

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

1.90%probability of exploitation in 30 days

77thpercentile

Elevated risk: more likely to be exploited than 77% of all known CVEs.

References

Patch1

gitlab.gnome.org

Third-Party Advisory2

Other references3

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix

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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 2024-11-21.