All errata/sisyphus/ALT-PU-2026-7047-2
ALT-PU-2026-7047-2

Package update libgif in branch sisyphus

Version6.1.3-alt1
Task#416870
Published2026-05-05
Max severityHIGH
Severity:

Closed issues (5)

BDU:2019-03230
MEDIUM6.5

Уязвимость функции DGifSlurp (dgif_lib.c) библиотеки для работы с GIF файлами GIFLIB, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2019-09-19Modified: 2023-11-21
CVSS 3.xMEDIUM 6.5
CVSS:3.x/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0HIGH 7.8
CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:N/A:C
References
CVE-2015-7555
MEDIUM5.5

Heap-based buffer overflow in giffix.c in giffix in giflib 5.1.1 allows attackers to cause a denial of service (program crash) via crafted image and logical screen width fields in a GIF file.

Published: 2016-04-13Modified: 2025-04-12
CVSS 2.0MEDIUM 4.3
CVSS:2.0/AV:N/AC:M/Au:N/C:N/I:N/A:P
CVSS 3.xMEDIUM 5.5
CVSS:3.x/CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
References
CVE-2016-3977
MEDIUM5.5

Heap-based buffer overflow in util/gif2rgb.c in gif2rgb in giflib 5.1.2 allows remote attackers to cause a denial of service (application crash) via the background color index in a GIF file.

Published: 2016-04-21Modified: 2025-04-12
CVSS 2.0MEDIUM 4.3
CVSS:2.0/AV:N/AC:M/Au:N/C:N/I:N/A:P
CVSS 3.xMEDIUM 5.5
CVSS:3.x/CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
References
CVE-2019-15133
MEDIUM6.5

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.

Published: 2019-08-17Modified: 2024-11-21
CVSS 2.0MEDIUM 4.3
CVSS:2.0/AV:N/AC:M/Au:N/C:N/I:N/A:P
CVSS 3.xMEDIUM 6.5
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
References
CVE-2020-23922
HIGH7.1

An issue was discovered in giflib through 5.1.4. DumpScreen2RGB in gif2rgb.c has a heap-based buffer over-read.

Published: 2021-04-21Modified: 2024-11-21
CVSS 2.0MEDIUM 5.8
CVSS:2.0/AV:N/AC:M/Au:N/C:P/I:N/A:P
CVSS 3.xHIGH 7.1
CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
References