CVE-2021-32848

HIGHNVD 7.57.5—

7.5

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.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 59.6%
KEV: Not listed

Published

February 20, 2023

Last Modified

November 21, 2024

References (6)

security-advisories@githubhttps://github.com/octobox/octobox/blob/372a0da981dbf47319fed4116364118fdf09fcc3/lib/search_parser.rb#L5
security-advisories@githubhttps://github.com/octobox/octobox/pull/2807
security-advisories@githubhttps://securitylab.github.com/advisories/GHSL-2021-100-octobox-octobox/
af854a3a-2127-422b-91ae-364da2661108https://github.com/octobox/octobox/blob/372a0da981dbf47319fed4116364118fdf09fcc3/lib/search_parser.rb#L5
af854a3a-2127-422b-91ae-364da2661108https://github.com/octobox/octobox/pull/2807
af854a3a-2127-422b-91ae-364da2661108https://securitylab.github.com/advisories/GHSL-2021-100-octobox-octobox/

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 9× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 06:24 UTCEG score recompute
2026-05-25 06:24 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2021-32848?

CVE-2021-32848 is a high vulnerability published on February 20, 2023. 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.

When was CVE-2021-32848 disclosed?

CVE-2021-32848 was first published in the National Vulnerability Database on February 20, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-32848 actively exploited?

CVE-2021-32848 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 59.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-32848?

CVE-2021-32848 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2021-32848?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-32848, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2021-32848

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CVE-2021-32848

📅 Published

🔄 Last Modified

🔗 References (6)