CVE-2015-8614: Multiple stack-based buffer overflows in the (1) conv_jistoeuc, (2) conv_euctojis, and (3) conv_sjistoeuc func

Q: How do I fix CVE-2015-8614?

claws-mail: upgrade to newer than 3.13.0; leap: mitigate or apply the listed mitigation; opensuse: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2015-8614 being exploited?

CVE-2015-8614 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-2015-8614 affect?

CVE-2015-8614 affects claws-mail, leap, opensuse. Severity is high (CVSS 7.3). Multiple stack-based buffer overflows in the (1) conv_jistoeuc, (2) conv_euctojis, and (3) conv_sjistoeuc functions in codeconv.c in Claws Mail before 3.13.1 allow remote attackers to have unspecified impact via a crafted email, involving J

Q: How urgent is CVE-2015-8614?

Priority 57/100. High severity; Remotely exploitable, no login, no user action; On your watchlist

This month

HIGH 7.3REMOTEWATCHLISTUPGRADEMITIGATEMITIGATE

CVE-2015-8614 is a high-severity flaw (CVSS 7.3) affecting claws-mail, leap, opensuse. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple stack-based buffer overflows in the (1) conv_jistoeuc, (2) conv_euctojis, and (3) conv_sjistoeuc functions in codeconv.c in Claws Mail before 3.13.1 allow remote attackers to have unspecified impact via a crafted email, involving Japanese character set conversion.

Why this priority

High severity
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	7.3 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.6% (top 15%)
CISA exploited list	No
Weakness	CWE-119
Published	2016-04-11
Last modified	2026-06-17

Publisher (CNA): Red Hat, Inc. · Vendor: claws-mail · opensuse

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

Am I affected?

Timeline

2016-04-11 21:59 UTCPublished CVE record published
2026-06-17 00:34 UTCUpdated Record last modified

claws-mail claws-mail UPGRADE

Affected: <= 3.13.0

Fixed in: newer than 3.13.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy claws-mail || rpm -q claws-mail || claws-mail --version

2. UPGRADE to newer than 3.13.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade claws-mail

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade claws-mail

Note

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

opensuse leap MITIGATE

Affected: 42.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 42.1

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

opensuse opensuse MITIGATE

Affected: 13.1 · 13.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 13.1

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2015-8614?

claws-mail: upgrade to newer than 3.13.0; leap: mitigate or apply the listed mitigation; opensuse: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2015-8614 being exploited?

CVE-2015-8614 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-2015-8614 affect?

CVE-2015-8614 affects claws-mail, leap, opensuse. Severity is high (CVSS 7.3). Multiple stack-based buffer overflows in the (1) conv_jistoeuc, (2) conv_euctojis, and (3) conv_sjistoeuc functions in codeconv.c in Claws Mail before 3.13.1 allow remote attackers to have unspecified impact via a crafted email, involving J

How urgent is CVE-2015-8614?

Priority 57/100. High severity; Remotely exploitable, no login, no user action; On your watchlist

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CVE-2015-8708 HIGH 7.3 DOWNGRADE Stack-based buffer overflow in the conv_euctojis function in codeconv.c in Claws Mail 3.13.1 allows remote att
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References

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