CVE-2012-6709: ELinks 0.12 and Twibright Links 2.3 have Missing SSL Certificate Validation.

Routine

MEDIUM 5.9REMOTEDOWNGRADEDOWNGRADE

CVE-2012-6709 is a medium-severity flaw (CVSS 5.9) affecting elinks, links. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

ELinks 0.12 and Twibright Links 2.3 have Missing SSL Certificate Validation.

Why this priority

Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.9 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-295
Published	2018-02-23
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: elinks · twibright

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2018-02-23 17:29 UTCPublished CVE record published
2026-06-16 23:48 UTCUpdated Record last modified

elinks elinks DOWNGRADE

Affected: 0.12

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.12

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.12 (Debian / Ubuntu)

apt-cache madison elinks sudo apt install elinks=<VERSION_BEFORE_0.12> sudo apt-mark hold elinks

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list elinks sudo dnf downgrade elinks-<VERSION_BEFORE_0.12> sudo dnf versionlock add elinks

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

twibright links DOWNGRADE

Affected: 2.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.3

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.3 (Debian / Ubuntu)

apt-cache madison links sudo apt install links=<VERSION_BEFORE_2.3> sudo apt-mark hold links

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list links sudo dnf downgrade links-<VERSION_BEFORE_2.3> sudo dnf versionlock add links

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2012-6709?

elinks: downgrade or apply the listed mitigation; links: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2012-6709 being exploited?

CVE-2012-6709 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-2012-6709 affect?

CVE-2012-6709 affects elinks, links. Severity is medium (CVSS 5.9). ELinks 0.12 and Twibright Links 2.3 have Missing SSL Certificate Validation.

How urgent is CVE-2012-6709?

Priority 39/100. Remotely exploitable, no login, no user action

References

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