What is CVE-2021-32848?

CVE-2021-32848 is a high-severity vulnerability in Octobox, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2023-02-20.

How severe is CVE-2021-32848?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Octobox

CVE-2021-32848

Octobox is software for managing GitHub notifications. Prior to pull request (PR) 2807, a user of the system can provide a specifically crafted search query string that will trigger a ReDoS vulnerability. This issue is fixed in PR 2807.

Published 2023-02-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.010 (62.6th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Octobox — versions 2807
Octobox Project

Weakness classification (CWE)

References

securitylab.github.com/advisories/GHSL-2021-100-octobox-octobox/ (Exploit, Third Party Advisory)
github.com/octobox/octobox/pull/2807 (Patch)
github.com/octobox/octobox/blob/372a0da981dbf47319fed4116364118fdf09fcc3/lib/se… (Product, Exploit)

Frequently asked questions

What is CVE-2021-32848?: CVE-2021-32848 is a high-severity vulnerability in Octobox, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2023-02-20.
How severe is CVE-2021-32848?: High severity. CVSS v3 base score is 7.5 out of 10.