Out-of-bounds Read in Apache Portable_runtime
CVE-2021-35940
An out-of-bounds array read in the apr_time_exp*() functions was fixed in the Apache Portable Runtime 1.6.3 release (CVE-2017-12613). The fix for this issue was not carried forward to the APR 1.7.x branch, and hence version 1.7.0 regressed…
Vulnerability class: Buffer Overflow
EPSS: 0.012 (64.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.
Affected products
- Apache Portable_runtime — versions 1.7.0
- Apache Software Foundation Portable Runtime (Apr) — versions Apache Portable Runtime 1.7.0
- Oracle Http_server — versions 12.2.1.3.0, 12.2.1.4.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@apache.org (x_refsource_MISC, Vendor Advisory)
- security@apache.org (x_refsource_MISC)
- security@apache.org (Patch, x_refsource_MISC, Vendor Advisory)
- security@apache.org (Mailing List, x_refsource_MISC, Vendor Advisory)
- security@apache.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- security@apache.org (mailing-list, x_refsource_MLIST)
- security@apache.org (mailing-list, x_refsource_MLIST)
- security@apache.org (mailing-list, x_refsource_MLIST)
- security@apache.org (mailing-list, x_refsource_MLIST)
- security@apache.org (mailing-list, x_refsource_MLIST)
Frequently asked questions
- What is CVE-2021-35940?
- CVE-2021-35940 is a high-severity vulnerability in Apache Portable_runtime, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2021-08-23.
- How severe is CVE-2021-35940?
- High severity. CVSS v3 base score is 7.1 out of 10.
- Is CVE-2021-35940 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.