CVE-2021-40812
First published: Wed Sep 08 2021(Updated: )
Last updated 15 November 2024
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Libgd Libgd | <=2.3.2 | |
| debian/libgd2 | <=2.3.0-2 | 2.3.3-9 2.3.3-12 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://github.com/libgd/libgd/commit/6f5136821be86e7068fcdf651ae9420b5d42e9a9
- https://github.com/libgd/libgd/issues/750#issuecomment-914872385
- https://lists.debian.org/debian-lts-announce/2024/04/msg00003.html
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40812
- https://nvd.nist.gov/vuln/detail/CVE-2021-40812
- https://launchpad.net/bugs/cve/CVE-2021-40812
- https://security-tracker.debian.org/tracker/CVE-2021-40812
- https://ubuntu.com/security/CVE-2021-40812
Frequently Asked Questions
What is CVE-2021-40812?
CVE-2021-40812 is a vulnerability in the GD Graphics Library (LibGD) that allows for an out-of-bounds read due to the lack of certain return value checks in gdGetBuf and gdPutBuf.
How severe is CVE-2021-40812?
CVE-2021-40812 has a severity rating of 6.5, making it a medium severity vulnerability.
What software is affected by CVE-2021-40812?
The LibGD library version up to and including 2.3.2 is affected by CVE-2021-40812.
What is the Common Weakness Enumeration (CWE) ID for CVE-2021-40812?
The CWE ID for CVE-2021-40812 is CWE-125, which corresponds to Out-of-bounds Read.
How can I mitigate CVE-2021-40812?
To mitigate CVE-2021-40812, it is recommended to update LibGD to a version that includes the fix, such as version 2.3.3 or later.
- collector/nvd-index
- agent/type
- agent/remedy
- agent/severity
- agent/weakness
- agent/first-publish-date
- agent/author
- collector/mitre-cve
- source/MITRE
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/last-modified-date
- agent/references
- collector/launchpad-cve
- source/Launchpad
- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- agent/tags
- collector/usn-cve
- source/Ubuntu
- agent/description
- agent/event
- collector/nvd-cve
- vendor/libgd
- canonical/libgd libgd
- version/libgd libgd/2.3.2
- package-manager/debian