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VulnerabilityPublished Updated

CVE-2026-10758: Esri Lerc · Integer Overflow or Wraparound

Affects Esri LercSource CVE Database V5

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Not known to be exploited · CVSS 7.5 High.

Data as of 8 Nov 2026, 23:24 UTC

CVSS 3.1 base score
7.5High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 26% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 25 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 8 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
EsriLercAffected
  • =0
Fixed in–
GitHubesri/lercpkg:github/esri/lercOther threatsAffected
  • <=4.1.0
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Until a fix is available, avoid processing untrusted imagery with vulnerable versions of Esri LERC.

Description

CVE-2026-10758 is a high-severity vulnerability in Esri LERC, an open-source image/raster format library. It involves an integer overflow or wraparound leading to a heap-based out-of-bounds write. This flaw affects LERC versions 0 through 4.1.0 and earlier. A remote, unauthenticated attacker can exploit this by supplying crafted imagery to cause an application crash, resulting in denial of service. No confidentiality or integrity impact is reported. No patch information is currently available.

References

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