Memory corruption in libtiff
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 2 fixed, 3 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.
Summary
A flaw was found in libtiff. Due to a memory allocation failure in tif_read.c, a crafted TIFF file can lead to an abort, resulting in denial of service.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | libtiff | libtiff 4.2.0 | — | No fix listed | CNA |
- libtiff Vendor— Affected libtiff 4.2.0 Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:libtiff:libtiff:*:*:*:*:*:*:*:* | before 4.2.0 | Vulnerable | libtiff |
| cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Red Hat |
| cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* | 33 | Vulnerable | Fedoraproject |
| cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NetApp |
- cpe:2.3:a:libtiff:libtiff:*:*:*:*:*:*:*:* Versions before 4.2.0 Vulnerable ·libtiff
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Red Hat
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* Versions 33 Vulnerable ·Fedoraproject
- cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
Remediation
Red Hat 1 advisory
- RHSA-2021:4241 Released 2021-11-09 · Red Hat rating Moderatelibtiff security and bug fix update
- Red Hat CodeReady Linux Builder (v. 8) libtiff-tools-4.0.9-20.el8
- Red Hat Enterprise Linux AppStream (v. 8) libtiff-4.0.9-20.el8, libtiff-devel-4.0.9-20.el8
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
libtiff — FEDORA-2021-1bf4f2f13a
4 records Highest priority Priority LOW 4 LOW
Other records, highest priority first
- TI-2020-18042 Out-of-bounds write in libtiffPriority LOW 38
- TI-2020-18041 Integer overflow in libtiffPriority LOW 38
- TI-2020-18040 Memory corruption in libtiffPriority LOW 28
- Advisory ·
libtiff — GLSA-202104-06
4 records Highest priority Priority LOW 4 LOW
Other records, highest priority first
- TI-2020-18042 Out-of-bounds write in libtiffPriority LOW 38
- TI-2020-18041 Integer overflow in libtiffPriority LOW 38
- TI-2020-18040 Memory corruption in libtiffPriority LOW 28
Vendor assessments
Red Hat
Red Hat rating: Low. 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 yet |
| Red Hat Enterprise Linux 8 | Affected | No fix planned: Will not fix |
| Red Hat CodeReady Linux Builder (v. 8) | Fixed | RHSA-2021:4241 |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2021:4241 |
Not affected: 1 product
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2020-35521
- 2026-10-03 Alias added: GHSA-9g68-wfgw-rc4f
References
Sources
- CVE-2020-35521 · CVE Program
- CVE-2020-35521 · NVD
- FIRST EPSS
- GHSA-9g68-wfgw-rc4f · GitHub Advisory Database · CC BY 4.0
- CVE-2020-35521 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences