Vulnerability · Published Mar 9, 2021 · Assigned by redhat
CVE-2020-35521
Medium 5.5
In plain English
A medium-severity memory corruption in libtiff. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)1.2%top 31.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | libtiff | 4.0.9-20.el8 | ALSA-2021:4241 |
| AlmaLinux:8 | libtiff-devel | 4.0.9-20.el8 | ALSA-2021:4241 |
| AlmaLinux:8 | libtiff-tools | 4.0.9-20.el8 | ALSA-2021:4241 |
| Alpine:v3.20 | tiff | 4.2.0-r0 | ALPINE-CVE-2020-35521 |
| Alpine:v3.21 | tiff | 4.2.0-r0 | ALPINE-CVE-2020-35521 |
| Alpine:v3.22 | tiff | 4.2.0-r0 | ALPINE-CVE-2020-35521 |
| Alpine:v3.23 | tiff | 4.2.0-r0 | ALPINE-CVE-2020-35521 |
| Alpine:v3.24 | tiff | 4.2.0-r0 | ALPINE-CVE-2020-35521 |
| Debian:12 | tiff | 4.1.0+git201212-1 | DEBIAN-CVE-2020-35521 |
| Debian:13 | tiff | 4.1.0+git201212-1 | DEBIAN-CVE-2020-35521 |
| Debian:14 | tiff | 4.1.0+git201212-1 | DEBIAN-CVE-2020-35521 |
| Rocky Linux:8 | libtiff | 0:4.0.9-20.el8 | RLSA-2021:4241 |
Affected products (as reported)
Weakness: CWE-119
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1932034 x_refsource_MISC
- FEDORA-2021-1bf4f2f13a vendor-advisory, x_refsource_FEDORA
- GLSA-202104-06 vendor-advisory, x_refsource_GENTOO
- https://security.netapp.com/advisory/ntap-20210521-0009/ x_refsource_CONFIRM