CVE-2021-39514

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

An issue was discovered in libjpeg through 2020021. An uncaught floating point exception in the function ACLosslessScan::ParseMCU() located in aclosslessscan.cpp. It allows an attacker to cause Denial of Service.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-697

Affected software

No affected versions have been published.

Timeline

Published
Sep 20, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-395156.5An issue was discovered in libjpeg through 2020021. A NULL pointer dereference exists in the function SampleInterleavedLSScan::ParseMCU() loCVE-2021-395166.5An issue was discovered in libjpeg through 2020021. A NULL pointer dereference exists in the function HuffmanDecoder::Get() located in huffmCVE-2021-395176.5An issue was discovered in libjpeg through 2020021. A NULL pointer dereference exists in the function BlockBitmapRequester::ReconstructUnsamCVE-2021-395186.5An issue was discovered in libjpeg through 2020021. LineBuffer::FetchRegion() in linebuffer.cpp has a heap-based buffer overflow.CVE-2021-395196.5An issue was discovered in libjpeg through 2020021. A NULL pointer dereference exists in the function BlockBitmapRequester::PullQData() locaCVE-2021-395206.5An issue was discovered in libjpeg through 2020021. A NULL pointer dereference exists in the function BlockBitmapRequester::PushReconstructeCVE-2021-395216.5An issue was discovered in libredwg through v0.10.1.3751. A NULL pointer dereference exists in the function bit_read_BB() located in bits.c.CVE-2021-395228.8An issue was discovered in libredwg through v0.10.1.3751. bit_wcs2len() in bits.c has a heap-based buffer overflow.CVE-2021-395236.5An issue was discovered in libredwg through v0.10.1.3751. A NULL pointer dereference exists in the function check_POLYLINE_handles() locatedCVE-2021-395258.8An issue was discovered in libredwg through v0.10.1.3751. bit_read_fixed() in bits.c has a heap-based buffer overflow.CVE-2021-395278.8An issue was discovered in libredwg through v0.10.1.3751. appinfo_private() in decode.c has a heap-based buffer overflow.CVE-2021-395288.8An issue was discovered in libredwg through v0.10.1.3751. dwg_free_MATERIAL_private() in dwg.spec has a double free.
CVE-2021-39514: Medium severity, CVSS 6.5 | Vulnix