Is CVE-2023-0796 in the CISA KEV catalog?

No. CVE-2023-0796 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-0796?

CVE-2023-0796 has a CVSS v3 base score of 6.8 (MEDIUM).

What is the EPSS score for CVE-2023-0796?

CVE-2023-0796 has an EPSS score of 0.42% (34th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-0796?

Upgrade tiff on debian 11 to 4.2.0-1+deb11u4 or later. Fixes are available for 16 affected products.

CVE & CISA-KEV Catalog

CVE-2023-0796

MEDIUM

6.8

CVSS v3

NVD

Description

LibTIFF 4.4.0 has an out-of-bounds read in tiffcrop in tools/tiffcrop.c:3592, allowing attackers to cause a denial-of-service via a crafted tiff file. For users that compile libtiff from sources, the fix is available with commit afaabc3e.

CWE-125Out-of-bounds Read

How to fix

Remediation Available

tiffDebian

Fixed in:4.2.0-1+deb11u4CVE-2023-0796

Fixed in:4.5.0-5CVE-2023-0796

libtiffRocky

Fixed in:0:4.4.0-8.el9_2RHSA-2023:3711

libtiffRed Hat / RHEL

Fixed in:0:4.4.0-8.el9_2RHSA-2023:3711

libtiff-debuginfoRocky

Fixed in:0:4.4.0-8.el9_2RHSA-2023:3711

libtiff-debuginfoRed Hat / RHEL

Fixed in:0:4.4.0-8.el9_2RHSA-2023:3711

libtiff-debugsourceRed Hat / RHEL

Fixed in:0:4.4.0-8.el9_2RHSA-2023:3711

libtiff-debugsourceRocky

Fixed in:0:4.4.0-8.el9_2RHSA-2023:3711

libtiff-develRed Hat / RHEL

Fixed in:0:4.4.0-8.el9_2RHSA-2023:3711

libtiff-develRocky

Fixed in:0:4.4.0-8.el9_2RHSA-2023:3711

libtiff-toolsRocky

Fixed in:0:4.4.0-8.el9_2RHSA-2023:3711

libtiff-toolsRed Hat / RHEL

Fixed in:0:4.4.0-8.el9_2RHSA-2023:3711

libtiff-tools-debuginfoRocky

Fixed in:0:4.4.0-8.el9_2RHSA-2023:3711

libtiff-tools-debuginfoRed Hat / RHEL

Fixed in:0:4.4.0-8.el9_2RHSA-2023:3711

libtiff-toolsUbuntu

Fixed in:4.0.3-7ubuntu0.11+esm7USN-5923-1

Fixed in:4.0.6-1ubuntu0.8+esm10USN-5923-1

Fixed in:4.0.9-5ubuntu0.10USN-5923-1

Fixed in:4.1.0+git191117-2ubuntu0.20.04.8USN-5923-1

Fixed in:4.3.0-6ubuntu0.4USN-5923-1

Fixed in:4.4.0-4ubuntu3.3USN-5923-1

libtiff5Ubuntu

Fixed in:4.0.3-7ubuntu0.11+esm7USN-5923-1

Fixed in:4.0.6-1ubuntu0.8+esm10USN-5923-1

Fixed in:4.0.9-5ubuntu0.10USN-5923-1

Fixed in:4.1.0+git191117-2ubuntu0.20.04.8USN-5923-1

Fixed in:4.3.0-6ubuntu0.4USN-5923-1

Fixed in:4.4.0-4ubuntu3.3USN-5923-1

tiffUbuntu

Fixed in:4.0.3-7ubuntu0.11+esm7USN-5923-1

Fixed in:4.0.6-1ubuntu0.8+esm10USN-5923-1

Fixed in:4.0.9-5ubuntu0.10USN-5923-1

Fixed in:4.1.0+git191117-2ubuntu0.20.04.8USN-5923-1

Fixed in:4.3.0-6ubuntu0.4USN-5923-1

Fixed in:4.4.0-4ubuntu3.3USN-5923-1

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 InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.42%probability of exploitation in 30 days

34thpercentile

Low risk: more likely to be exploited than 34% of all known CVEs.

References

Patch2

VDB Entry1

gitlab.com

Other references4

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0160	High	7.5	100%	KEV	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2021-4034	High	7.8	95%	KEV	Fix
CVE-2023-21769	High	7.5	92%	-	Fix
CVE-2023-49285	High	8.6	89%	-	Fix
CVE-2020-8794	Critical	9.8	89%	-	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 2025-03-21.