A flaw was found in the file-psd plugin in GIMP. When processing a specially crafted PSD image file, the plugin does not properly validate the channel-count parameter. This incorrect validation leads to improper memory bounds checking, resulting in both a heap out-of-bounds read and a stack out-of-bounds access. This issue can result in an application crash, leading to a denial of service or a limited information disclosure of memory contents.
CVE-2026-82343
MEDIUMPre-NVD 6.16.1—Trending — 4 sources updated this week
EchelonGraph scoreHIGH confidence
Score 6.1 from GitHub Security Advisory published 2026-08-28. a secondary CVSS source baseline 6.1; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: ghsa, secondary
6.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.1Exploit: None knownExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.1
- EG Score
- 6.1(high)
- EG Risk
- 32(Track)EG Risk 32/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity61% × 45%Exploitation0% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 2%
- KEV
- Not listed
Published
August 28, 2026
Last Modified
August 28, 2026
Advisory Details (3)
Auto-updated Aug 28, 2026Patch available. Sources: redhat.
generic
Heap out-of-bounds read and stack out-of-bounds access in PSD loader from channel-count handling (#16587) · Issues · GNOME / GIMP · GitLab
https://gitlab.gnome.org/GNOME/gimp/-/work_items/16587redhat
2525644 – (CVE-2026-82343) CVE-2026-82343 gimp: heap out-of-bounds read and stack out-of-bounds access in PSD loader from channel-count handling
https://bugzilla.redhat.com/show_bug.cgi?id=2525644redhat Patch Available
CVE-2026-82343 - Red Hat Customer Portal
Affected: Red Hat Enterprise Linux 8 or OpenShift Container Platform 4, is affected by this vulnerability and a fix may be released to a
https://access.redhat.com/security/cve/CVE-2026-82343Vendor Advisories for CVE-2026-82343(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 6× in last 7d / 6× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-08-30 01:22 UTCEPSS rescore
- 2026-08-29 19:47 UTCEG score recompute
- 2026-08-29 19:46 UTCGHSA enrichment
- 2026-08-28 20:25 UTCEG score recompute
- 2026-08-28 19:39 UTCEG score recompute
- 2026-08-28 19:36 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Same CWE
10 shownCWE-120
- CVE-2010-10016EG 10.0CRITICAL
- CVE-2012-10035EG 10.0CRITICAL
- CVE-2011-4862EG 10.0EPSS p100HIGH
- CVE-2008-3496EG 10.0HIGH
- CVE-2007-1770EG 10.0EPSS p97HIGH
- CVE-2002-1337EG 10.0EPSS p99HIGH
- CVE-2001-0554EG 10.0EPSS p99HIGH
- CVE-2001-0191EG 10.0EPSS p92HIGH
- CVE-1999-1237EG 10.0EPSS p95HIGH
- CVE-1999-0385EG 10.0EPSS p97HIGH
Frequently asked(5)
What is CVE-2026-82343?
CVE-2026-82343 is a medium vulnerability published on August 28, 2026. A flaw was found in the file-psd plugin in GIMP. When processing a specially crafted PSD image file, the plugin does not properly validate the channel-count parameter. This incorrect validation leads to improper memory bounds checking, resulting in both a heap out-of-bounds read and a stack…
When was CVE-2026-82343 disclosed?
CVE-2026-82343 was first published in the National Vulnerability Database on August 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-82343 actively exploited?
CVE-2026-82343 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 98.2% of all scored CVEs.
What is the CVSS score of CVE-2026-82343?
CVE-2026-82343 has a CVSS v3 base score of 6.1 (NVD).
How do I remediate CVE-2026-82343?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-82343, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-82343
Is Your Infrastructure Affected by CVE-2026-82343?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.