CVE-2026-116149
ImageMagick before 6.9.13-58 and 7.x before 7.1.2-33 Stack Buffer Overflow via bzip2 Compressed Images
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CVSS v3.1 (listed by NVD)
—
Not scored
CVSS v4.0 (listed by NVD)
—
Not scored
CVSS (listed by CVE.org)
7.2
HIGH
Scored by CNA (VulnCheck) · v4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS exploit probability
—
Not computed
CISA KEV
—
Not listed
Attack conditions and impact
Derived from the CNA CVSS 4.0 vector
NetworkLoginNo interaction
Confidentiality NIntegrity HAvailability H
| Metric | Value | Meaning |
|---|---|---|
| Attack vector AV | N | Network |
| Attack complexity AC | L | Low (easy) |
| Attack requirements AT | N | None |
| Privileges required PR | L | Regular user |
| User interaction UI | N | None |
| Confidentiality (vulnerable system) VC | N | None |
| Integrity (vulnerable system) VI | H | High |
| Availability (vulnerable system) VA | H | High |
| Confidentiality (subsequent systems) SC | N | None |
| Integrity (subsequent systems) SI | N | None |
| Availability (subsequent systems) SA | N | None |
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
Description
CNA (VulnCheck)
ImageMagick before 6.9.13-58 and 7.x before 7.1.2-33 contains a stack-based buffer overflow in the handling of bzip2 compressed images. Attackers can supply a crafted image using bzip2 compression to overwrite stack memory during decoding, causing crashes or memory corruption.
CVSS assessments
| Provider | Version | Score | Vector |
|---|---|---|---|
| CNA / VulnCheck | 4.0 | 7.2 HIGH | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N |
| CNA / VulnCheck | 3.1 | 8.1 HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H |
Affected products and packages
CNA (CVE.org)
| Vendor | Product | Versions |
|---|---|---|
| ImageMagick | ImageMagick | affected: 7.0.0-0 … < 7.1.2-33 unaffected: 7.1.2-33 default: unaffected |
| ImageMagick | ImageMagick | affected: 0 … < 6.9.13-58 unaffected: 6.9.13-58 default: unaffected |