Imager versions before 1.037 for Perl overflow a heap buffer fetching float samples from a paletted image in i_gsampf_fp

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-102505
StatePUBLISHED
AssignerCPANSec
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-01 14:17:20 UTC
Updated2026-10-08 13:17:32 UTC
DescriptionImager versions before 1.037 for Perl overflow a heap buffer fetching float samples from a paletted image in i_gsampf_fp. For a paletted image, getsamples() with type "float" allocates a buffer of one sample per pixel and fetches every requested channel of each pixel into it. Requesting more than one channel writes past its end. An attacker-supplied image controls the overflowing bytes through its palette.

Risk And Classification

Primary CVSS: v3.1 6.3 MEDIUM from ADP

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

EPSS: 0.002410000 probability, percentile 0.140520000 (date 2026-10-08)

Problem Types: CWE-131 | CWE-131 CWE-131 Incorrect Calculation of Buffer Size

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED6.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary6.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Tonycoz Imager All All All All

References

ReferenceSourceLinkTags
github.com/tonycoz/imager/security/advisories/GHSA-4rx6-cgv3-fmxp 9b29abf9-4ab0-4765-b253-1875cd9b441e github.com Mitigation, Vendor Advisory
github.com/tonycoz/imager/commit/aae49c6be065aa467e834105c816359394a634d... 9b29abf9-4ab0-4765-b253-1875cd9b441e github.com Patch
www.openwall.com/lists/oss-security/2026/10/01/10 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
metacpan.org/release/TONYC/Imager-1.037/changes 9b29abf9-4ab0-4765-b253-1875cd9b441e metacpan.org Release Notes
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

SourceTimeEvent
CNA2026-09-30T00:00:00.000ZVersion 1.037 released with fix.

Solutions

CNA: Upgrade to Imager 1.037 or later.

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