Summary
Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2026-26740: Buffer Overflow vulnerability in giflib v.5.2.2 allows a remote attacker to cause a denial of service via the EGifGCBToExtension overwriting an existing Graphic Control Extension block without validating its allocated size.
Fixed packages 6
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2023 | giflib | 0:5.2.1-9.amzn2023.0.4 |
| Amazon Linux · 2023 | giflib-debuginfo | 0:5.2.1-9.amzn2023.0.4 |
| Amazon Linux · 2023 | giflib-debugsource | 0:5.2.1-9.amzn2023.0.4 |
| Amazon Linux · 2023 | giflib-devel | 0:5.2.1-9.amzn2023.0.4 |
| Amazon Linux · 2023 | giflib-utils | 0:5.2.1-9.amzn2023.0.4 |
| Amazon Linux · 2023 | giflib-utils-debuginfo | 0:5.2.1-9.amzn2023.0.4 |
Vulnerabilities 1
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High 8.2
Buffer Overflow vulnerability in giflib v.5.2.2 allows a remote attacker to cause a denial of service via the EGifGCBTo…
References
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-26740.html