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TI-2026-09247 Aliases CVE-2026-10758GHSA-gfc2-qmh7-jf3x

Esri Lerc has a security vulnerability

Priority LOW 39CWE-190Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 1 fixed, 1 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-190 and the CVSS impact.

Summary

Esri LERC is an open-source image or raster format which supports rapid encoding and decoding for any pixel type. A Heap based Out-of-Bounds Write via Integer Overflow in LERC versions 4.1.0 and earlier may allow a remote, unauthenticated attacker who can pass specifically crafted attacker controlled imagery to an application that uses LERC to crash the application, leading to a denial of service.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00328 26th percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 1 fixed, 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
EsriLercall versions—No fix listedCNA
  • Lerc VendorEsri Affected all versions Fixed in — No fix listed CNA

Remediation

Red Hat 1 advisory

  • RHSA-2026:45254 Released 2026-07-24 · Red Hat rating Important
    Red Hat Hardened Images RPMs bug fix and enhancement update
    • Red Hat Hardened Images liblerc-4.2.0-1.hum1@aarch64, liblerc-4.2.0-1.hum1@src, liblerc-4.2.0-1.hum1@x86_64 +6

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 10AffectedNo fix yet
Red Hat Hardened ImagesFixed RHSA-2026:45254

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-10758
  2. 2026-10-03 Alias added: GHSA-gfc2-qmh7-jf3x
  3. 2026-10-20 Fix available: RHSA-2026:45254 · Red Hat
  4. 2026-10-20 Fix available: Red Hat Hardened Images · Red Hat
  5. 2026-10-20 CVSS score added · Red Hat
  6. 2026-10-24 Affected versions changed · Red Hat

References

  • TI-2024-16901 Portal for ArcGIS has a directory traversal vulnerability. CVSS 3.1CRITICAL 9.9
  • TI-2012-01450 ESRI ArcMap 9 and ArcGIS 10.0.2.3200 and earlier does not properly prompt users before… CVSS 2.0HIGH 9.3
  • TI-2007-01695 Buffer overflow in the ArcSDE service (giomgr) in Environmental Systems Research… CVSS 2.0HIGH 10.0
  • TI-2026-08070 Directory Traversal in ArcGIS Server CVSS 3.1CRITICAL 9.8
  • TI-2026-11074 Missing authentication in Esri Portal for ArcGIS CVSS 3.1CRITICAL 9.8
  • TI-2025-35724 BUG-000179884 - There is a security vulnerability in ArcGIS Server Feature Services. CVSS 3.1CRITICAL 10.0
See all 194 →

Sources