A large heap overflow could occur in Instagram for Android when attempting to upload an image with specially crafted dimensions.

published 2020-04-09 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-12721

cvss: 7.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.9%; EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits: 0; none known

A large heap overflow could occur in Instagram for Android when attempting to upload an image with specially crafted dimensions. This affects versions prior to 128.0.0.26.128.

Patch / fix

fixed in 1

Facebook Instagram for Android 128.0.0.26.128

Exploit prediction

0.88% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

Facebook Instagram for Android

Classification

Weakness

CWE-680 Integer Overflow to Buffer Overflow
CWE-190 Integer Overflow or Wraparound

References

facebook.com /security/advisories/cve-2020-1895
vendor-advisory

Sources

CVE List CVE-2020-1895
NVD CVE-2020-1895

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary