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Debian 11 libstb Critical DoS and Buffer Overflow Advisory DLA-4493-1

debian lts
Calendar Grey February 26, 2026
Dist Debian Esm H88
Critical vulnerabilities found in libstb affect Debian LTS; necessary updates and patches available to mitigate risks.
Several vulnerabilities were discovered in libstb, single-file image and audio processing libraries for C/C++
Topics%20covered

Topics Covered

security advisory denial of service buffer overflow debian important libstb

Summary

CVE-2021-28021

Buffer overflow vulnerability in function stbi__extend_receive in
stb_image.h. Can be exploited with a crafted JPEG file.

CVE-2021-37789

a heap-based buffer over in stbi__jpeg_load, leading to
Information Disclosure or Denial of Service.

CVE-2021-42715

The HDR loader parsed truncated end-of-file RLE scanlines as an
infinite sequence of zero-length runs. An attacker could
potentially have caused denial of service in applications using
stb_image by submitting crafted HDR files.

CVE-2022-28041

an integer overflow via the function
stbi__jpeg_decode_block_prog_dc. This vulnerability allows
attackers to cause a Denial of Service (DoS) via unspecified
vectors.

CVE-2022-28042

a heap-based use-after-free via the function
stbi__jpeg_huff_decode.

For Debian 11 bullseye, these problems have been fixed in version
0.0~git20200713.b42009b+ds-1+deb11u1.

We recommend that you upgrade your libstb packages.

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Package: libstb
Version: 0.0~git20200713.b42009b+ds-1+deb11u1
CVE ID: CVE-2021-28021 CVE-2021-37789 CVE-2021-42715 CVE-2022-28041

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow debian important libstb

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