Is CVE-2021-46829 in the CISA KEV catalog?

No. CVE-2021-46829 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-46829?

CVE-2021-46829 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2021-46829?

CVE-2021-46829 has an EPSS score of 0.75% (50th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-46829?

Upgrade gdk-pixbuf on debian 11 to 2.42.2+dfsg-1+deb11u1 or later. Fixes are available for 19 affected products.

CVE & CISA-KEV Catalog

CVE-2021-46829

HIGH

7.8

CVSS v3

NVD

Description

GNOME GdkPixbuf (aka GDK-PixBuf) before 2.42.8 allows a heap-based buffer overflow when compositing or clearing frames in GIF files, as demonstrated by io-gif-animation.c composite_frame. This overflow is controllable and could be abused for code execution, especially on 32-bit systems.

CWE-190Integer Overflow

How to fix

Remediation Available

gdk-pixbufDebian

Fixed in:2.42.2+dfsg-1+deb11u1CVE-2021-46829

Fixed in:2.42.8+dfsg-1CVE-2021-46829

gdk-pixbuf2Rocky

Fixed in:0:2.42.6-3.el9RHSA-2023:2216

gdk-pixbuf2Red Hat / RHEL

Fixed in:0:2.42.6-3.el9RHSA-2023:2216

gdk-pixbuf2-debuginfoRed Hat / RHEL

Fixed in:0:2.42.6-3.el9RHSA-2023:2216

gdk-pixbuf2-debuginfoRocky

Fixed in:0:2.42.6-3.el9RHSA-2023:2216

gdk-pixbuf2-debugsourceRed Hat / RHEL

Fixed in:0:2.42.6-3.el9RHSA-2023:2216

gdk-pixbuf2-debugsourceRocky

Fixed in:0:2.42.6-3.el9RHSA-2023:2216

gdk-pixbuf2-develRocky

Fixed in:0:2.42.6-3.el9RHSA-2023:2216

gdk-pixbuf2-develRed Hat / RHEL

Fixed in:0:2.42.6-3.el9RHSA-2023:2216

gdk-pixbuf2-devel-debuginfoRocky

Fixed in:0:2.42.6-3.el9RHSA-2023:2216

gdk-pixbuf2-devel-debuginfoRed Hat / RHEL

Fixed in:0:2.42.6-3.el9RHSA-2023:2216

gdk-pixbuf2-modulesRed Hat / RHEL

Fixed in:0:2.42.6-3.el9RHSA-2023:2216

gdk-pixbuf2-modulesRocky

Fixed in:0:2.42.6-3.el9RHSA-2023:2216

gdk-pixbuf2-modules-debuginfoRocky

Fixed in:0:2.42.6-3.el9RHSA-2023:2216

gdk-pixbuf2-modules-debuginfoRed Hat / RHEL

Fixed in:0:2.42.6-3.el9RHSA-2023:2216

gdk-pixbuf2-tests-debuginfoRed Hat / RHEL

Fixed in:0:2.42.6-3.el9RHSA-2023:2216

gdk-pixbuf2-tests-debuginfoRocky

Fixed in:0:2.42.6-3.el9RHSA-2023:2216

gdk-pixbufUbuntu

Fixed in:2.40.0+dfsg-3ubuntu0.3USN-5554-1

libgdk-pixbuf2.0-0Ubuntu

Fixed in:2.40.0+dfsg-3ubuntu0.3USN-5554-1

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 VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.75%probability of exploitation in 30 days

50thpercentile

Moderate risk: more likely to be exploited than 50% of all known CVEs.

References

Patch2

Exploit3

Third-Party Advisory3

Other references1

lists.fedoraproject.org

Related Vulnerabilities

Other CWE-190 (Integer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix
CVE-2019-11477	High	7.5	99%	-	Fix
CVE-2023-44443	High	7.8	94%	-	Fix
CVE-2014-0569	High	9.3	90%	-	-
CVE-2017-3599	High	7.5	90%	-	Fix
CVE-2023-21716	Critical	9.8	82%	-	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.