RHSA-2003:006
Vulnerability from csaf_redhat - Published: 2003-01-13 15:28 - Updated: 2025-11-21 17:25Summary
Red Hat Security Advisory: : : : Updated libpng packages fix buffer overflow
Notes
Topic
Updated libpng packages are available that fix a buffer overflow vulnerability.
[Updated 15 Jan 2003]
Advisory updated to include libpng10 packages for Red Hat Linux 8.0.
libpng10 contains compatibility libraries used to run binaries that were
linked dynamically with libpng 1.0.x.
Details
The libpng package contains a library of functions for creating and
manipulating PNG (Portable Network Graphics) image format files. PNG
is a bit-mapped graphics format similar to the GIF format.
Unpatched versions of libpng 1.2.1 and earlier do not correctly calculate
offsets, which leads to a buffer overflow and the possibility of arbitrary
code execution. This could be exploited by an attacker creating a
carefully crafted PNG file which could execute arbitrary code when the
victim views it.
Packages within Red Hat Linux, such as Mozilla, make use of the shared
libpng library. Therefore, all users are advised to upgrade to the errata
packages. For Red Hat Linux 8.0 the packages contain libpng 1.2.2 which is
not vulnerable to this issue. For Red Hat Linux 6.2, 7, 7.1, 7.2 and 7.3
the packages contain libpng 1.0.14 with a backported patch that corrects
this issue.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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"text": "Updated libpng packages are available that fix a buffer overflow vulnerability.\n\n[Updated 15 Jan 2003]\nAdvisory updated to include libpng10 packages for Red Hat Linux 8.0. \nlibpng10 contains compatibility libraries used to run binaries that were\nlinked dynamically with libpng 1.0.x.",
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"text": "The libpng package contains a library of functions for creating and\nmanipulating PNG (Portable Network Graphics) image format files. PNG\nis a bit-mapped graphics format similar to the GIF format. \n\nUnpatched versions of libpng 1.2.1 and earlier do not correctly calculate\noffsets, which leads to a buffer overflow and the possibility of arbitrary\ncode execution. This could be exploited by an attacker creating a\ncarefully crafted PNG file which could execute arbitrary code when the\nvictim views it.\n\nPackages within Red Hat Linux, such as Mozilla, make use of the shared\nlibpng library. Therefore, all users are advised to upgrade to the errata\npackages. For Red Hat Linux 8.0 the packages contain libpng 1.2.2 which is\nnot vulnerable to this issue. For Red Hat Linux 6.2, 7, 7.1, 7.2 and 7.3\nthe packages contain libpng 1.0.14 with a backported patch that corrects\nthis issue.",
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"text": "Portable Network Graphics (PNG) library libpng 1.2.5 and earlier does not correctly calculate offsets, which allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a buffer overflow attack on the row buffers.",
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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