CVE-2021-25290
python-pillow: Negative-offset memcpy in TIFF image reader
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
An issue was discovered in Pillow before 8.1.1. In TiffDecode.c, there is a negative-offset memcpy with an invalid size.
Se detectó un problema en Pillow versiones anteriores a 8.1.1. En el archivo TiffDecode.c, se presenta una memoria de desplazamiento negativo con un tamaño no válido
A flaw was found in python-pillow. In TiffDecode.c, there is a negative-offset memcpy with an invalid size which could lead to a system crash.
It was discovered that Pillow incorrectly handled certain Tiff image files. If a user or automated system were tricked into opening a specially-crafted Tiff file, a remote attacker could cause Pillow to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 20.04 LTS and Ubuntu 20.10. It was discovered that Pillow incorrectly handled certain Tiff image files. If a user or automated system were tricked into opening a specially-crafted Tiff file, a remote attacker could cause Pillow to crash, resulting in a denial of service, or possibly execute arbitrary code. Various other issues were also addressed.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2021-01-17 CVE Reserved
- 2021-03-12 CVE Published
- 2024-08-03 CVE Updated
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
- CWE-787: Out-of-bounds Write
CAPEC
References (5)
| URL | Tag | Source |
|---|---|---|
| https://lists.debian.org/debian-lts-announce/2021/07/msg00018.html | Mailing List |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html | 2021-12-03 | |
| https://security.gentoo.org/glsa/202107-33 | 2021-12-03 | |
| https://access.redhat.com/security/cve/CVE-2021-25290 | 2021-11-09 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1934685 | 2021-11-09 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Python Search vendor "Python" | Pillow Search vendor "Python" for product "Pillow" | < 8.1.1 Search vendor "Python" for product "Pillow" and version " < 8.1.1" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0" | - |
Affected
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