CVE-2012-4988

NONECVSS 0.0Elevated

0.0

Heap-based buffer overflow in the xjpegls.dll (aka JLS, JPEG-LS, or JPEG lossless) format plugin in XnView 1.99 and 1.99.1 allows remote attackers to execute arbitrary code via a crafted JLS image file.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 97.1%
KEV: Not listed

Published

July 9, 2014

Last Modified

May 6, 2026

References (14)

cve@mitrehttp://osvdb.org/show/osvdb/85893
cve@mitrehttp://seclists.org/fulldisclosure/2012/Oct/36
cve@mitrehttp://secunia.com/advisories/50825
cve@mitrehttp://www.reactionpenetrationtesting.co.uk/xnview-jls-heap.html
cve@mitrehttp://www.securityfocus.com/bid/55787
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/79030
cve@mitrehttps://www.exploit-db.com/exploits/21741/
af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/show/osvdb/85893
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2012/Oct/36
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/50825
af854a3a-2127-422b-91ae-364da2661108http://www.reactionpenetrationtesting.co.uk/xnview-jls-heap.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/55787
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/79030
af854a3a-2127-422b-91ae-364da2661108https://www.exploit-db.com/exploits/21741/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-119Buffer Operations Within Bounds (Buffer Overflow)

Data Freshness Timeline

(refreshed 9× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-07 15:22 UTCEPSS rescore
2026-06-07 15:22 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-05 22:44 UTCEPSS rescore
2026-06-05 22:44 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-04 13:09 UTCEPSS rescore
2026-06-02 20:10 UTCEPSS rescore
2026-06-02 20:10 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-29 13:41 UTCEPSS rescore
2026-05-28 18:06 UTCEG score recompute
2026-05-28 18:06 UTCGHSA enrichment
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-21741
First seen Oct 4, 2012
XnView 1.99.1 - '.JLS' File Decompression Heap Overflow
Open source ↗

Frequently asked(4)

What is CVE-2012-4988?

CVE-2012-4988 is a none vulnerability published on July 9, 2014. Heap-based buffer overflow in the xjpegls.dll (aka JLS, JPEG-LS, or JPEG lossless) format plugin in XnView 1.99 and 1.99.1 allows remote attackers to execute arbitrary code via a crafted JLS image file.

When was CVE-2012-4988 disclosed?

CVE-2012-4988 was first published in the National Vulnerability Database on July 9, 2014, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2012-4988 actively exploited?

CVE-2012-4988 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 97.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2012-4988?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-4988, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2012-4988

📅 Published

🔄 Last Modified

🔗 References (14)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2012-4988?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (14)

Frequently asked(4)

Related CVEs(same CWE)