CVE-2026-30883
Published: 10 March 2026
Summary
CVE-2026-30883 is a medium-severity Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119) vulnerability in Imagemagick Imagemagick. Its CVSS base score is 5.7 (Medium).
Operationally, exploitation aligns with the MITRE ATT&CK technique Application or System Exploitation (T1499.004); ranked at the 0.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
Threat & Defense at a Glance
Threat & Defense Details
Likely Mitigating ControlsAI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Ongoing control assessments and code testing (static/dynamic analysis, fuzzing) surface memory buffer restriction failures, which are then remediated before release.
Managed runtimes used by platform-independent applications (e.g., JVM, CLR) enforce memory safety, preventing most buffer overflows that require direct memory manipulation.
Memory protections (e.g., W^X, ASLR) make exploitation of buffer-boundary violations far harder to turn into code execution.
Detects exploitation attempts that produce memory corruption, crashes, or anomalous behavior.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Heap overflow in ImageMagick during PNG encoding with oversized profile enables local exploitation causing application crash and memory corruption, directly mapping to application exploitation for endpoint DoS (A:H impact per CVSS).
NVD Description
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16 and 6.9.13-41, an extremely large image profile could result in a heap overflow when encoding a PNG image. This vulnerability is fixed in…
more
7.1.2-16 and 6.9.13-41.
Deeper analysisAI
CVE-2026-30883 is a heap overflow vulnerability (CWE-119) in ImageMagick, a free and open-source software suite for editing and manipulating digital images. The issue arises when encoding a PNG image with an extremely large image profile, affecting all versions prior to 7.1.2-16 and 6.9.13-41. It was published on 2026-03-10 and carries a CVSS v3.1 base score of 5.7 (AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H), indicating medium severity with primary impacts on availability and limited integrity.
A local attacker can exploit this vulnerability by supplying a specially crafted image with an oversized profile to trigger the heap overflow during PNG encoding. No privileges or user interaction are required, but the attack demands high complexity and local access to the vulnerable ImageMagick instance. Successful exploitation could lead to high availability disruption, such as denial-of-service via application crash, and limited integrity violations, potentially allowing memory corruption without confidentiality impact or scope change.
The official ImageMagick GitHub security advisory (GHSA-qmw5-2p58-xvrc) confirms the vulnerability and states it is fixed in versions 7.1.2-16 and 6.9.13-41. Security practitioners should update to these patched releases immediately and validate image inputs to prevent processing of malformed profiles, especially in automated image processing pipelines.
Details
- CWE(s)