Vulnerability Details : CVE-2022-31620
Potential exploit
In libjpeg before 1.64, BitStream<false>::Get in bitstream.hpp has an assertion failure that may cause denial of service. This is related to out-of-bounds array access during arithmetically coded lossless scan or arithmetically coded sequential scan.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2022-31620
- cpe:2.3:a:libjpeg_project:libjpeg:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-31620
0.11%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 26 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-31620
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2022-31620
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2022-31620
-
https://github.com/thorfdbg/libjpeg/commit/ef4a29a62ab48b8dc235f4af52cfd6319eda9a6a
Added out-of-bounds checks for lossless symbol decoding and AC context · thorfdbg/libjpeg@ef4a29a · GitHubPatch;Third Party Advisory
-
https://github.com/thorfdbg/libjpeg/issues/70
Assert Failure in BitStream<false>::Get · Issue #70 · thorfdbg/libjpeg · GitHubExploit;Issue Tracking;Third Party Advisory
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