CVE-2017-9454: Buffer overflow in the ares_parse_a_reply function in the embedded ares library in ReSIProcate before 1.12.0 a

Q: How do I fix CVE-2017-9454?

resiprocate: upgrade to newer than 1.10.2. Exact commands for each OS are on this page.

Q: Is CVE-2017-9454 being exploited?

CVE-2017-9454 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2017-9454 affect?

CVE-2017-9454 affects resiprocate. Severity is high (CVSS 7.5). Buffer overflow in the ares_parse_a_reply function in the embedded ares library in ReSIProcate before 1.12.0 allows remote attackers to cause a denial of service (out-of-bounds-read) via a crafted DNS response.

Q: How urgent is CVE-2017-9454?

Priority 51/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADE

CVE-2017-9454 is a high-severity flaw (CVSS 7.5) affecting resiprocate. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in the ares_parse_a_reply function in the embedded ares library in ReSIProcate before 1.12.0 allows remote attackers to cause a denial of service (out-of-bounds-read) via a crafted DNS response.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.0% (top 19%)
CISA exploited list	No
Weakness	CWE-125
Published	2017-08-18
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: resiprocate

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2017-08-18 14:29 UTCPublished CVE record published
2026-06-17 01:28 UTCUpdated Record last modified

resiprocate resiprocate UPGRADE

Affected: <= 1.10.2 · 1.11.0 alpha1 · 1.11.0 alpha10 · 1.11.0 alpha11 · 1.11.0 alpha2 · 1.11.0 alpha3 · 1.11.0 alpha4 · 1.11.0 alpha5

Fixed in: newer than 1.10.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy resiprocate || rpm -q resiprocate || resiprocate --version

2. UPGRADE to newer than 1.10.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade resiprocate

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade resiprocate

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2017-9454?

resiprocate: upgrade to newer than 1.10.2. Exact commands for each OS are on this page.

Is CVE-2017-9454 being exploited?

CVE-2017-9454 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2017-9454 affect?

CVE-2017-9454 affects resiprocate. Severity is high (CVSS 7.5). Buffer overflow in the ares_parse_a_reply function in the embedded ares library in ReSIProcate before 1.12.0 allows remote attackers to cause a denial of service (out-of-bounds-read) via a crafted DNS response.

How urgent is CVE-2017-9454?

Priority 51/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2018-12584 CRITICAL 9.8 UPGRADE MITIGATE The ConnectionBase::preparseNewBytes function in resip/stack/ConnectionBase.cxx in reSIProcate through 1.10.2
CVE-2017-11521 HIGH 7.5 DOWNGRADE MITIGATE The SdpContents::Session::Medium::parse function in resip/stack/SdpContents.cxx in reSIProcate 1.10.2 allows r

References

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