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Vulnerability record · CVE-2019-15133 · published 17 August 2019

CVE-2019-15133: Giflib project giflib divide by zero vulnerability

GGiflib Project · Giflib

In GIFLIB before 2019-02-16, a malformed GIF file triggers a divide-by-zero exception in the decoder function DGifSlurp in dgif_lib.c if the height field of the ImageSize data structure is equal to zero.

6.5 CVSS 3.1 Medium EPSS 1.5% · top 26.1% CWE-369 · Divide by zero
6.5CVSS 3.1 base score, v2 4.3
1.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

In GIFLIB before 2019-02-16, a malformed GIF file triggers a divide-by-zero exception in the decoder function DGifSlurp in dgif_lib.c if the height field of the ImageSize data structure is equal to zero.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13008 Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00008.html Mailing ListThird Party Advisory
https://usn.ubuntu.com/4107-1/ Third Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13008 Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00008.html Mailing ListThird Party Advisory
https://usn.ubuntu.com/4107-1/ Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2019-15133), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.