CVE-2025-27598

Out-of-bounds Write in SixLabors ImageSharp

HIGH
7.5
CVSS Score
Published: March 6, 2025 at 10:23 PM UTC
Updated: June 17, 2026 at 09:03 AM UTC
1 product affected across 1 vendorImageSharp

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Severity
HIGH7.5
Exploit prediction
EPSS 0.6%
SSVC
PoC

Description

ImageSharp is a 2D graphics API. An Out-of-bounds Write vulnerability has been found in the ImageSharp gif decoder, allowing attackers to cause a crash using a specially crafted gif. This can potentially lead to denial of service. The problem has been patched. All users are advised to upgrade to v3.1.7 or v2.1.10.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2.1.10v < 3.1.73.0.0 ≤ v < 3.1.7
Affected range stops below 2.1.10, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.1.7, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-787

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