# httplib2 (PyPI) vulnerabilities

Source: https://junglewise.ai/threats/technologies/pypi-httplib2  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/pypi-httplib2.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 4 vulnerabilities in httplib2 (PyPI): 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-59939, was published on 8 July 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 4 (0 critical, 0 exploited in the wild)

## About httplib2 (PyPI)

Python HTTP client library for making and managing web requests with caching support.

## Latest httplib2 (PyPI) vulnerabilities

- [CVE-2026-59939: httplib2 unbounded decompression denial of service](https://junglewise.ai/threats/cve-2026-59939-httplib2-unbounded-decompression-denial-of-service) (high, CVSS 7.5, published 8 Jul 2026)
- [CVE-2021-21240: Regular Expression Denial of Service (REDoS) in httplib2](https://junglewise.ai/threats/cve-2021-21240-regular-expression-denial-of-service-redos-in-httplib2) (low, CVSS 3.1, published 8 Feb 2021)
- [CVE-2020-11078: CRLF injection in httplib2](https://junglewise.ai/threats/cve-2020-11078-crlf-injection-in-httplib2) (low, CVSS 3.1, published 20 May 2020)
- [CVE-2013-2037: httplib2 incorrectly checks SSL certificate](https://junglewise.ai/threats/cve-2013-2037-httplib2-incorrectly-checks-ssl-certificate) (low, CVSS 3.1, published 18 Jan 2014)

## Most severe httplib2 (PyPI) vulnerabilities

- [CVE-2026-59939: httplib2 unbounded decompression denial of service](https://junglewise.ai/threats/cve-2026-59939-httplib2-unbounded-decompression-denial-of-service) (high, CVSS 7.5, published 8 Jul 2026)
- [CVE-2021-21240: Regular Expression Denial of Service (REDoS) in httplib2](https://junglewise.ai/threats/cve-2021-21240-regular-expression-denial-of-service-redos-in-httplib2) (low, CVSS 3.1, published 8 Feb 2021)
- [CVE-2020-11078: CRLF injection in httplib2](https://junglewise.ai/threats/cve-2020-11078-crlf-injection-in-httplib2) (low, CVSS 3.1, published 20 May 2020)
- [CVE-2013-2037: httplib2 incorrectly checks SSL certificate](https://junglewise.ai/threats/cve-2013-2037-httplib2-incorrectly-checks-ssl-certificate) (low, CVSS 3.1, published 18 Jan 2014)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other PyPI technologies

- [tensorflow (PyPI)](https://junglewise.ai/threats/technologies/pypi-tensorflow): 435 vulnerabilities
- [tensorflow-cpu (PyPI)](https://junglewise.ai/threats/technologies/tensorflow-cpu): 430 vulnerabilities
- [tensorflow-gpu (PyPI)](https://junglewise.ai/threats/technologies/tensorflow-gpu): 427 vulnerabilities
- [open-webui (PyPI)](https://junglewise.ai/threats/technologies/open-webui): 177 vulnerabilities
- [Django (PyPI)](https://junglewise.ai/threats/technologies/django): 173 vulnerabilities
- [apache-airflow (PyPI)](https://junglewise.ai/threats/technologies/apache-airflow): 159 vulnerabilities
- [pillow (PyPI)](https://junglewise.ai/threats/technologies/pillow): 125 vulnerabilities
- [praisonai (PyPI)](https://junglewise.ai/threats/technologies/pypi-praisonai): 120 vulnerabilities
- [vllm (PyPI)](https://junglewise.ai/threats/technologies/pypi-vllm): 117 vulnerabilities
- [plone (PyPI)](https://junglewise.ai/threats/technologies/pypi-plone): 101 vulnerabilities
- [mlflow (PyPI)](https://junglewise.ai/threats/technologies/mlflow): 88 vulnerabilities
- [picklescan (PyPI)](https://junglewise.ai/threats/technologies/picklescan): 86 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "httplib2 (PyPI) vulnerabilities", https://junglewise.ai/threats/technologies/pypi-httplib2, 13 November 2026.