CVE-2020-27818: Buffer Overflow
First published: Thu Nov 26 2020(Updated: )
A flaw was found in the check_chunk_name() function of pngcheck-2.4.0. An attacker able to pass a malicious file to be processed by pngcheck could cause a temporary denial of service, posing a low risk to application availability.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Libpng Pngcheck | =2.4.0 | |
| Fedoraproject Extra Packages For Enterprise Linux | =7.0 | |
| Fedoraproject Extra Packages For Enterprise Linux | =8.0 | |
| Fedoraproject Fedora | =31 | |
| Fedoraproject Fedora | =32 | |
| Fedoraproject Fedora | =33 | |
| Fedoraproject Fedora | =34 | |
| Debian Debian Linux | =9.0 |
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Reference Links
- https://bodhi.fedoraproject.org/updates/FEDORA-2020-04d5e1ce26
- https://bodhi.fedoraproject.org/updates/FEDORA-2020-23432b7b72
- https://bodhi.fedoraproject.org/updates/FEDORA-2020-27b168926a
- https://bodhi.fedoraproject.org/updates/FEDORA-2020-4349e95c4f
- https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-339db397ad
- https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-6c93c61069
- https://bugzilla.redhat.com/show_bug.cgi?id=1902011
- https://lists.debian.org/debian-lts-announce/2022/05/msg00043.html
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1897485
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1902012
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- alias/CVE-2020-27818
- vendor/libpng
- canonical/libpng pngcheck
- version/libpng pngcheck/2.4.0
- vendor/fedoraproject
- canonical/fedoraproject extra packages for enterprise linux
- version/fedoraproject extra packages for enterprise linux/7.0
- version/fedoraproject extra packages for enterprise linux/8.0
- canonical/fedoraproject fedora
- version/fedoraproject fedora/31
- version/fedoraproject fedora/32
- version/fedoraproject fedora/33
- version/fedoraproject fedora/34
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/9.0