Medium
exiv2 — security advisory
An invalid memory access in the decode function in iptc.cpp of Exiv2 0.27.99.0 allows attackers to cause a denial of service (DOS) via a crafted tif file.
- Products
- exiv2
- Affected versions
- 0.25-1ubuntu1, 0.25-2.1, 0.25-2.1ubuntu16.04.1, 0.25-2.1ubuntu16.04.2, 0.25-2.1ubuntu16.04.3, 0.25-2.1ubuntu16.04.4, 0.25-2.1ubuntu16.04.5, 0.25-2.1ubuntu16.04.6, 0.25-2.1ubuntu16.04.7+esm1, 0.25-2.1ubuntu16.04.7+esm2, 0.25-2.1ubuntu16.04.7+esm3, 0.25-2.1ubuntu16.04.7+esm4, 0.25-2.1ubuntu16.04.7+esm5, 0.25-3.1, 0.25-3.1ubuntu0.18.04.1, 0.25-3.1ubuntu0.18.04.10, 0.25-3.1ubuntu0.18.04.11, 0.25-3.1ubuntu0.18.04.11+esm1, 0.25-3.1ubuntu0.18.04.2, 0.25-3.1ubuntu0.18.04.3, 0.25-3.1ubuntu0.18.04.4, 0.25-3.1ubuntu0.18.04.5, 0.25-3.1ubuntu0.18.04.7, 0.25-3.1ubuntu0.18.04.9, 0.25-4ubuntu2, 0.25-4ubuntu3, 0.27.2-8ubuntu2, 0.27.2-8ubuntu2.2, 0.27.2-8ubuntu2.4, 0.27.2-8ubuntu2.5, 0.27.2-8ubuntu2.6, 0.27.2-8ubuntu2.7, 0.27.2-8ubuntu2.7+esm1, 0.27.2-8ubuntu2.7+esm3, 0.27.3-3.1ubuntu1, 0.27.3-3ubuntu4, 0.27.5-1ubuntu1, 0.27.5-3ubuntu1, 0.27.5-3ubuntu1.1, 0.27.5-3ubuntu1.3, 0.27.6-1, 0.27.6-1build1, 0.27.6-1ubuntu0.1, 0.27.6-1ubuntu0.3, 0.28.5+dfsg-1, 0.28.5+dfsg-1ubuntu0.1, 0.28.5+dfsg-1ubuntu0.3, 0.28.7+dfsg-2, 0.28.8+dfsg-1
- Fixed versions
- Not specified
- CVEs
- CVE-2020-18773
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 01:28 UTC · Revision 1
Source evidence
An invalid memory access in the decode function in iptc.cpp of Exiv2 0.27.99.0 allows attackers to cause a denial of service (DOS) via a crafted tif file.
osv:UBUNTU-CVE-2020-18773
exiv2
Fixed versions: Not specified
exiv2
Fixed versions: Not specified
exiv2
Fixed versions: Not specified
exiv2
Fixed versions: Not specified
exiv2
Fixed versions: Not specified
exiv2
Fixed versions: Not specified
exiv2
Fixed versions: Not specified
exiv2
Fixed versions: Not specified
Complete source record
{
"id": "a04aaa7fb6cb49ef28b8230e7552ce651be808f673069301ff4ac42edf905fbd",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-18773",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2020-18773",
"summary": "An invalid memory access in the decode function in iptc.cpp of Exiv2 0.27.99.0 allows attackers to cause a denial of service (DOS) via a crafted tif file.",
"evidence": "osv:UBUNTU-CVE-2020-18773",
"products": [
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
"value": "0.27.2-8ubuntu2.5",
"evidence": "/affected/2/versions"
},
{
"value": "0.27.2-8ubuntu2.6",
"evidence": "/affected/2/versions"
},
{
"value": "0.27.2-8ubuntu2.7",
"evidence": "/affected/2/versions"
},
{
"value": "0.27.2-8ubuntu2.7+esm1",
"evidence": "/affected/2/versions"
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{
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{
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},
{
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"evidence": "/affected/3/versions"
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{
"value": "0.27.5-3ubuntu1",
"evidence": "/affected/3/versions"
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{
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{
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{
"name": {
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},
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{
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},
{
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"evidence": "/affected/4/versions"
},
{
"value": "0.27.6-1ubuntu0.1",
"evidence": "/affected/4/versions"
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{
"value": "0.27.6-1ubuntu0.3",
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{
"name": {
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},
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{
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},
{
"value": "0.28.5+dfsg-1ubuntu0.1",
"evidence": "/affected/5/versions"
},
{
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"evidence": "/affected/5/versions"
}
]
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{
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],
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"aliases": [
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"0.25-2.1ubuntu16.04.7+esm4",
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"database_specific": {
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},
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{
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{
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}
}
],
"modified": "2026-10-17T12:56:54.214126571Z",
"provider": "osv",
"upstream": [
"CVE-2020-18773"
],
"references": [
"https://ubuntu.com/security/CVE-2020-18773",
"https://www.cve.org/CVERecord?id=CVE-2020-18773"
]
},
"related_cves": [
{
"value": "CVE-2020-18773",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 356517,
"published_at": "2021-08-23T22:15:00+00:00"
}