ImageMagick up to 7.1.2-25 APNG Encoder encoding error

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k1.22+

Summaryinfo

A vulnerability identified as critical has been detected in ImageMagick up to 7.1.2-25. Affected is an unknown function of the component APNG Encoder. This manipulation causes encoding error. This vulnerability is tracked as CVE-2026-61858. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in ImageMagick up to 7.1.2-25. It has been declared as critical. Affected by this vulnerability is some unknown functionality of the component APNG Encoder. The manipulation with an unknown input leads to a encoding error vulnerability. The CWE definition for the vulnerability is CWE-172. The product does not properly encode or decode the data, resulting in unexpected values. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

ImageMagick before 7.1.2-26 contains a policy bypass vulnerability in the APNG encoder and external delegates due to missing validation checks. Attackers can write files to disallowed paths by bypassing configured policy restrictions through the APNG encoding process.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-61858 since 07/10/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 7.1.2-26 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Encoding error
CWE: CWE-172
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Upgrade: ImageMagick 7.1.2-26

Timelineinfo

07/10/2026 CVE reserved
07/11/2026 +1 days Advisory disclosed
07/11/2026 +0 days VulDB entry created
07/11/2026 +0 days VulDB entry last update

Sourcesinfo

Product: imagemagick.org

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-61858 (🔒)
GCVE (CVE): GCVE-0-2026-61858
GCVE (VulDB): GCVE-100-377827

Entryinfo

Created: 07/11/2026 16:20
Updated: 07/11/2026 16:24
Changes: 07/11/2026 16:20 (51), 07/11/2026 16:24 (3)
Complete: 🔍
Cache ID: 216::103

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