Out-of-Bounds Write Vulnerability in Esri LERC Raster Format
CVE-2026-10758

7.5HIGH

Key Information:

Vendor

Esri

Status
Lerc
Vendor
CVE Published:
25 September 2026

What is CVE-2026-10758?

Esri’s LERC format, utilized for efficient image encoding and decoding, has a critical vulnerability that arises from a heap-based out-of-bounds write due to an integer overflow. This flaw affects LERC versions 4.1.0 and earlier, allowing remote, unauthenticated attackers to craft and inject specially designed imagery into applications utilizing LERC. Successfully exploiting this vulnerability can lead to application crashes, resulting in a denial of service. Users are urged to update to secure versions to mitigate potential attack vectors.

Affected Version(s)

Lerc 0

References

https://github.com/Esri/lerc/security/advisories/GHSA-cw2...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.