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Unrated severityNVD Advisory· Published Dec 8, 2020· Updated Aug 4, 2024

CVE-2020-27751

CVE-2020-27751

Description

ImageMagick prior to 7.0.9-0 is vulnerable to an integer overflow in quantum-export.c that can cause undefined behavior and application denial of service.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

ImageMagick prior to 7.0.9-0 is vulnerable to an integer overflow in quantum-export.c that can cause undefined behavior and application denial of service.

Vulnerability

A flaw exists in ImageMagick in MagickCore/quantum-export.c when processing crafted files. The vulnerability involves values outside the range of type unsigned long long and a shift exponent too large for a 64-bit type, triggering undefined behavior. Affected versions are ImageMagick prior to 7.0.9-0 [1].

Exploitation

An attacker can submit a crafted file that, when processed by ImageMagick, triggers the undefined behavior. No special network position or authentication is required if the attacker can deliver the file to be processed (e.g., via a web upload or email attachment) [1].

Impact

Successful exploitation most likely leads to an impact on application availability (denial of service). However, because the flaw results in undefined behavior, other consequences such as memory corruption or information disclosure cannot be ruled out [1].

Mitigation

ImageMagick versions 7.0.9-0 and later contain the fix. Users should update to a patched version. Red Hat Enterprise Linux 5, 6, and 7 are out of support scope for this flaw [1].

References
  1. 1891994 – (CVE-2020-27751) CVE-2020-27751 ImageMagick: integer overflow in MagickCore/quantum-export.c

AI Insight generated on May 26, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.

Affected products

42

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

3

News mentions

0

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