CVE-2021-35940

Publication date 23 August 2021

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.1 · High

Score breakdown

Description

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 compared to 1.6.3 and is vulnerable to the same issue.

Read the notes from the security team

Status

Package Ubuntu Release Status
apr 22.04 LTS jammy
Fixed 1.7.0-6ubuntu1
21.10 impish
Fixed 1.7.0-6ubuntu1
21.04 hirsute
Fixed 1.7.0-6ubuntu0.1
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Fixed 1.5.2-3ubuntu0.1~esm1
14.04 LTS trusty
Fixed 1.5.0-1ubuntu0.1~esm1

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Notes

leosilva

the fix was removed in 1.7.x branches, but it is addressed in 1.6.x and later. xenial and trusty/esm are affected.

Severity score breakdown

CVSS version: CVSS v3.0

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

References

Related Ubuntu Security Notices (USN)

Other references

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