Vulnerability Details : CVE-2021-33479
A stack-based buffer overflow vulnerability was discovered in gocr through 0.53-20200802 in measure_pitch() in pgm2asc.c.
Vulnerability category: OverflowMemory Corruption
Products affected by CVE-2021-33479
- Optical Character Recognition Project » Optical Character RecognitionVersions up to, including, (<=) 0.53-20200802cpe:2.3:a:optical_character_recognition_project:optical_character_recognition:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-33479
0.11%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 44 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-33479
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2021-33479
-
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: patrick@puiterwijk.org (Secondary)
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-33479
-
https://security.gentoo.org/glsa/202401-28
GOCR: Multiple Vulnerabilities (GLSA 202401-28) — Gentoo security
-
https://sourceforge.net/p/jocr/bugs/39/
Optical Character Recognition (GOCR) / Bugs / #39 A stack-buffer-underflow in pgm2asc.c:1689:24Exploit;Third Party Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=1962861
1962861 – (CVE-2021-33479) CVE-2021-33479 gocr: stack-based buffer overflow in measure_pitch() in pgm2asc.cIssue Tracking;Third Party Advisory
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