CVE-2012-6307: A vulnerability exists in JPEGsnoop 1.5.2 due to an unspecified issue in JPEG file handling, which could let a

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HIGH 8.8DOWNGRADE

CVE-2012-6307 is a high-severity flaw (CVSS 8.8) affecting jpegsnoop. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability exists in JPEGsnoop 1.5.2 due to an unspecified issue in JPEG file handling, which could let a malicious user execute arbitrary code

Why this priority

High severity
EPSS top 7%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	5.6% (top 7%)
CISA exploited list	No
Published	2020-02-06
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: impulseadventure

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

Am I affected?

Timeline

2020-02-06 18:15 UTCPublished CVE record published
2026-06-16 23:47 UTCUpdated Record last modified

impulseadventure jpegsnoop DOWNGRADE

Affected: 1.5.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.5.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.5.2 (Debian / Ubuntu)

apt-cache madison jpegsnoop sudo apt install jpegsnoop=<VERSION_BEFORE_1.5.2> sudo apt-mark hold jpegsnoop

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

dnf --showduplicates list jpegsnoop sudo dnf downgrade jpegsnoop-<VERSION_BEFORE_1.5.2> sudo dnf versionlock add jpegsnoop

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: JPEGsnoop 1.5.2 - WriteAV Crash (PoC)

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-2012-6307?

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

Is CVE-2012-6307 being exploited?

CVE-2012-6307 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-2012-6307 affect?

CVE-2012-6307 affects jpegsnoop. Severity is high (CVSS 8.8). A vulnerability exists in JPEGsnoop 1.5.2 due to an unspecified issue in JPEG file handling, which could let a malicious user execute arbitrary code

How urgent is CVE-2012-6307?

Priority 59/100. High severity; EPSS top 7%: very likely to be exploited; Public exploit reference

References

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