CVE-2021-46822

The PPM reader in libjpeg-turbo through 2.0.90 mishandles use of tjLoadImage for loading a 16-bit binary PPM file into a grayscale buffer and loading a 16-bit binary PGM file into an RGB buffer. This is related to a heap-based buffer overflow in the get_word_rgb_row function in rdppm.c.

Security Fix(es):

The PPM reader in libjpeg-turbo through 2.0.90 mishandles use of tjLoadImage for loading a 16-bit binary PPM file into a grayscale buffer and loading a 16-bit binary PGM file into an RGB buffer. This is related to a heap-based buffer overflow in the get_word_rgb_row function in rdppm.c.(CVE-2021-46822)

The PPM reader in libjpeg-turbo through 2.0.90 mishandles use of tjLoadImage for loading a 16-bit binary PPM file into a grayscale buffer and loading a 16-bit binary PGM file into an RGB buffer. This is related to a heap-based buffer overflow in the get_word_rgb_row function in rdppm.c.

The libjpeg-turbo packages contain a library of functions for manipulating JPEG images. They also contain simple client programs for accessing the libjpeg functions. These packages provide the same functionality and API as libjpeg but with better performance.

Security Fix(es):

• libjpeg-turbo: heap buffer overflow in get_word_rgb_row() in rdppm.c (CVE-2021-46822)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

The PPM reader in libjpeg-turbo through 2.0.90 mishandles use of tjLoadImage for loading a 16-bit binary PPM file into a grayscale buffer and loading a 16-bit binary PGM file into an RGB buffer. This is related to a heap-based buffer overflow in the get_word_rgb_row function in rdppm.c. (CVE-2021-46822)

The libjpeg-turbo packages contain a library of functions for manipulating JPEG images. They also contain simple client programs for accessing the libjpeg functions. These packages provide the same functionality and API as libjpeg but with better performance.

Security Fix(es):

• libjpeg-turbo: heap buffer overflow in get_word_rgb_row() in rdppm.c (CVE-2021-46822)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Root has patched CVE-2021-46822 in the libjpeg-turbo package for Root:Debian:11. Multiple fixed versions available.

It was discovered that libjpeg-turbo incorrectly handled certain EOF characters. An attacker could possibly use this issue to cause libjpeg-turbo to consume resource, leading to a denial of service. This issue only affected Ubuntu 18.04 LTS. (CVE-2018-11813)

It was discovered that libjpeg-turbo incorrectly handled certain malformed jpeg files. An attacker could possibly use this issue to cause libjpeg-turbo to crash, resulting in a denial of service. (CVE-2020-17541, CVE-2020-35538)

It was discovered that libjpeg-turbo incorrectly handled certain malformed PPM files. An attacker could use this issue to cause libjpeg-turbo to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 20.04 LTS. (CVE-2021-46822)