Home/CVE/Sign extension error in the ReadDIBImage function in ImageMagick before 6.3.5-9 allows context-dependent attackers to ex
CVE
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CVE-2007-49882

Sign extension error in the ReadDIBImage function in ImageMagick before 6.3.5-9 allows context-dependent attackers to ex

Sign extension error in the ReadDIBImage function in ImageMagick before 6.3.5-9 allows context-dependent attackers to execute arbitrary code via a crafted width value in an image file, which triggers an integer overflow and a heap-based buffer overflow.

HIGH · CVSS 7.8 EPSS 0.03093
EPSS exploitation odds3.09% · top 13%
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Look this up elsewhere - one-click external pivots
How to read a CVE - triage first, then detect and patch
This page is every public fact about CVE-2007-4988, cross-linked. Its job is to answer one question fast - does this need my attention now? - and then hand you the two things you do about it. Here is how an analyst reads it.
Triage: should I act now? Four signals, and they are not interchangeable:
CVSSseverity - how bad it is IF exploited, 0-10. A high CVSS alone is not urgency; a flaw can be a perfect 10 and never actually be attacked. EPSSprobability - a model’s estimate of the chance it is exploited in the next 30 days, 0-1. This is the “will it actually happen” signal. CISA KEVconfirmed - it is being exploited in the wild right now. The strongest signal on the page; KEV beats any score. Weaponisedavailability - public exploits / PoCs, and especially Metasploit modules rated Excellent / Great. Reliable, packaged exploit code means low-skill attackers can use it today.
How they combine: KEV, or a dependable Metasploit module, means patch now regardless of CVSS. High CVSS + low EPSS + no exploit is real but not an emergency - schedule it. Low CVSS but KEV-listed still gets patched now. The verdict above already weighed these for you; this is how it got there.
Then what - two workflows:
Detectwhen you cannot patch today, follow this CVE to the ATT&CK techniques it enables, then Build a SIEM detection (the green button) - author a rule, test it in Atomic, deploy it. That buys visibility while the patch waits. PatchAffected products / packages tell you if you are exposed; Fixed versions by distribution and Vendor advisories give the exact version that closes it.
Reading order for the panels below: verdict + badges, then Public exploits / Metasploit (is it weaponised), then ATT&CK techniques + Sigma / IDS rules (can I detect it), then Affected products / packages + Fixed versions (am I exposed, what patches it), then Threat actors / IOCs (who uses it), then Scoring & timeline / references (the evidence).

Severity & exploitation scoring

View on NVD →
CVSS base score
7.8
HIGHCVSS v3.1 · [email protected]
EPSS exploitation probability
3.09%
Top 13%odds of exploitation in the next 30 days
CVSS metric silhouette
VectorComplexityPrivilegesInteractionScopeConfidentialityIntegrityAvailability
shape grows toward worst-case
SSVC triage
No SSVC vulnrichment for this CVE. CISA's Vulnrichment program scores newer CVEs (~2024 onwards) plus selected older critical ones. Use the EPSS probability + KEV status to triage instead.
CVSS vector breakdown
Exploitability - how they get in
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Impact - what breaks
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
VECTORCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle
  1. 24 Sep 2007Published to NVD
  2. 16 Jun 2026Last modified
Every entry is a recorded date - NVD publish/modify, CISA KEV add, public exploit disclosure. No inferred events.
Attack path
Full kill chain

Public Exploits & PoCs

2
These PoC and exploit links come from public sources and are not verified to be safe or functional. Review the code before running anything, and treat unverified entries as untrusted. Signed-in users mark whether it works, rate 1-10, and can report malware with a required reason that becomes a public comment.
poc Public PoC (nvd-reference) date unknown
Vote & rate
Report or claim
⚠ Report this PoC

Becomes a public comment attributed as First L. (never full last name). Don't include private info. Rate-limited: 5/hour.

Works? no reports yet
Rating -
poc www.securityfocus.com · 25765 www.securityfocus.com
Vote & rate
Report or claim
⚠ Report this PoC

Becomes a public comment attributed as First L. (never full last name). Don't include private info. Rate-limited: 5/hour.

Works? no reports yet
Rating -

ATT&CK techniques

1

Techniques this CVE enables. Pills with a solid outline are high confidence - named directly in ATT&CK or Nuclei, or human-curated by CTID; the rest are inferred from the weakness type using MITRE's CVE Mapping Methodology and the CWE → CAPEC chain. Broad, generic-weakness guesses are filtered out. A small marks a technique that N independent sources agree on.

▤ Build a SIEM detection for these techniques

Weakness Classification

Affected Products & Versions

2
imagemagick< 6.3.5-9
📦

Fixed versions by distribution

5
The package version that resolves this CVE on each Linux distribution, from the vendor’s published security data. fixed in shows a patched version exists; open means the package is listed as affected with no fix yet.
oracle allImageMagick fixed in 0:6.2.8.0-4.el5_1.1
oracle allImageMagick-c++ fixed in 0:6.2.8.0-4.el5_1.1
oracle allImageMagick-c++-devel fixed in 0:6.2.8.0-4.el5_1.1
oracle allImageMagick-devel open
oracle allImageMagick-perl fixed in 0:6.2.8.0-4.el5_1.1

Vendor Advisories

3
🔗

References & Sources

24
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.debian.org/security/2009/dsa-1858
Mailing ListThird Party Advisory
http://www.securityfocus.com/archive/1/483572/100/0/threaded
Broken LinkThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id?1018729
Broken LinkThird Party AdvisoryVDB Entry