TI-2023-00756 Aliases CVE-2023-0796 GHSA-m222-cmhp-v9m7

Out-of-bounds read in libtiff

MEDIUM 63CWE-125Published 2023-02-13 · Updated 2025-03-21

Key facts

Attack vector: Local
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: Low · None · High
Fix status: Partial Red Hat: 2 fixed, 3 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00421 36th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Partial Red Hat: 1 advisoryRed Hat: 2 fixed, 3 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
libtiff	libtiff	up to 4.4.0	—	No fix listed	CNA

libtiff Vendorlibtiff Affected up to 4.4.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:libtiff:libtiff::::::::	up to 4.4.0	Vulnerable	libtiff

cpe:2.3:a:libtiff:libtiff:*:*:*:*:*:*:*:* Versions up to 4.4.0 Vulnerable ·libtiff

Remediation

Red Hat 1 advisory

RHSA-2023:3711 Released 2023-06-21 · Red Hat rating Moderate
libtiff security update
- Red Hat Enterprise Linux AppStream (v. 9) libtiff-4.4.0-8.el9_2, libtiff-devel-4.4.0-8.el9_2
- Red Hat Enterprise Linux CRB (v. 9) libtiff-tools-4.4.0-8.el9_2

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Advisory · 2023-02-13
libtiff — DSA-5361
10 records Highest priority Priority MEDIUM 10 MEDIUM
Other records, highest priority first
- TI-2023-00764 Out-of-bounds write in libtiffPriority MEDIUM 63
- TI-2023-00763 Out-of-bounds write in libtiffPriority MEDIUM 63
- TI-2023-00762 Out-of-bounds write in libtiffPriority MEDIUM 63
Show all 10 records → Advisory →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Product	Status	Plan or fix
Red Hat Enterprise Linux 6	Affected	No fix planned: Out of support scope
Red Hat Enterprise Linux 7	Affected	No fix planned: Out of support scope
Red Hat Enterprise Linux 8	Affected	No fix planned: Will not fix
Red Hat Enterprise Linux AppStream (v. 9)	Fixed	RHSA-2023:3711
Red Hat Enterprise Linux CRB (v. 9)	Fixed	RHSA-2023:3711

Timeline

2026-10-02 Threatist record created from CVE-2023-0796
2026-10-03 Alias added: GHSA-m222-cmhp-v9m7

References

Exploit 1

https://gitlab.com/libtiff/libtiff/-/issues/499

Patch 1

https://gitlab.com/libtiff/libtiff/-/commit/afaabc3e50d4e5d80a94143f7e3c997e7e410f68

Advisory 2

Other 3

TI-2023-28739 Libtiff: segment fault in libtiff in tiffreadrgbatileext() leading to denial of service CVSS 3.1HIGH 7.5
TI-2023-10746 libtiff 4.5.0 is vulnerable to Buffer Overflow via extractContigSamplesBytes() at /libtiff/tools/tiffcrop.c:3215. CVSS 3.1HIGH 8.8
TI-2022-03639 LibTIFF tif_getimage.c TIFFReadRGBATileExt integer overflow CVSS 3.1HIGH 8.8
TI-2023-05765 Libtiff: out-of-memory in tiffopen via a craft file CVSS 3.1MEDIUM 6.5
TI-2022-03286 Out-of-bounds write in libtiff CVSS 3.1HIGH 7.7
TI-2006-03352 Multiple stack-based buffer overflows in the TIFF library (libtiff) before 3.8.2, as used… CVSS 2.0HIGH 7.5

See all 261 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences