CVE-2026-10758: Esri Lerc · Integer Overflow or Wraparound
Affects Esri LercSource CVE Database V5
Not known to be exploited · CVSS 7.5 High.
Data as of 8 Nov 2026, 23:24 UTC
- 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:HExploitation evidence
Disclosed: evidence found.
CVE published 25 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
| Product | Affected | Fixed in |
|---|---|---|
| EsriLerc | Affected
| Fixed in– |
GitHubesri/lercpkg:github/esri/lercOther threats | Affected
| 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.